lace in order the steps involved for flavors on the tongue to create a perception in the brain 1) Chemical substances in food disolve in saliva
What stages are involved in fragrances entering the nose and creating a perception in the brain?
Tiny molecules are emitted by odorous substances. When you breathe in, these molecules enter your nose. These compounds are detected by specific cells called olfactory receptors. The receptors send this information to your brain via your olfactory nerve, allowing you to smell.
Food chemical compounds dissolve in saliva. Taste receptors are triggered. The facial nerve sends signals to the thalamus. Taste perception is processed by the gustatory cortex.
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Explain why, in 2018, a scientist used the genetic engineering technique CRISPR to edit the genome of twin girls while they were still embryos, and why this became controversial around the world. Could the scientist have used other options to achieve the same outcome? If so, what are those options? If not, why not?
The discovery of the scientist bacame controvercial because it is against the law of China and it was causing more harm than benefits. No, he could not use other options to achive the same outcome.
What is CRISPR technique?This is a unique technology that helps the those people who are working in genetics and medical research to edit parts of the genome by adding or deleting the alterered sections of the DNA sequence.It is currently the simplest, most versatile method of genetic manipulation
A scientist says he created the first genetically edited babies using CRISPR to protect them from HIV infection. This discovery leads to a change in the world of genetics.
No, the scientist could not have to change the options for achieving the same outcome beacuse it will leads to the new discoveries of using the CRISPR gene for gene manipulation.
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which of the following is true of a codon? which of the following is true of a codon? it never codes for the same amino acid as another codon. it can code for more than one amino acid. it is the basic unit of protein structure. it can be either in dna or in rna .
The correct answer is (C) It can be either in DNA or in RNA. A codon is a sequence of three nucleotides (either A, U, C, or G) that codes for a specific amino acid during translation.
Codons can be found in both DNA and RNA, with DNA serving as the template for the synthesis of messenger RNA (mRNA) during transcription. During translation, the mRNA codons are read by the ribosome, which pairs them with the appropriate amino acid. It is possible for different codons to code for the same amino acid due to the redundancy of the genetic code, but each codon codes for only one amino acid. The basic unit of protein structure translation is an amino acid, not a codon.
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The complete Question is:
Which of the following is true of a codon? (A) It never codes for the same amino acid as another codon. (B) It can code for more than one amino acid. (C) It can be either in DNA or in RNA (D) It is the basic unit of protein structure
which two monosaccharides difffer the most in 3 dimensional structure d-glucose d-mamnnose d-galactose
D-glucose and D-galactose are the two monosaccharides whose three-dimensional structures diverge the greatest.
D-glucose has a "chair" conformation because it has an aldehyde group at the first carbon and a hydroxyl group at the sixth carbon. D-galactose, on the other hand, has a "boat" shape because it has a ketone group at the first carbon and a hydroxyl group at the fourth carbon.
Since glucose includes an additional -OH group, it can create more hydrogen bonds and has a different, more stable three-dimensional structure as a result.
Also, the two molecules' distinct hydroxyl group orientations impact how they interact and change the characteristics of other molecules.
The two molecules' unique characteristics, including solubility, reactivity, and activity, are a result of their differing structural makeup. D-glucose and D-galactose so vary most from one another in their three-dimensional structure.
Complete Question:
Which two monosaccharides differ the most in their 3 dimensional structure: D-glucose, D-mannose, or D-galactose?
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what information about recombination frequencies enables scientists to create linkage maps? the recombination frequency between two genes is equal to the distance in nanometers between the two genes. the recombination frequency between two genes reveals the nucleotide sequence of the two genes. the recombination frequency is proportional to the distance between the two genes. the lower the recombination frequency, the farther apart two genes are on a chromosome.
The higher the recombination frequency, the farther apart two genes are on a chromosome.
Linkage maps are used by geneticists to represent the relative positions of genes on a chromosome. The distance between two genes on a chromosome is proportional to the frequency at which they exchange DNA segments, or recombine, during the process of meiosis. If two genes tend to be inherited together more often, they are likely to be located closer together on the chromosome, and their recombination frequency will be low. On the other hand, if two genes tend to be separated more often, they are likely to be located farther apart on the chromosome, and their recombination frequency will be high. By measuring the recombination frequencies between multiple pairs of genes, scientists can build a linkage map that provides a rough representation of the relative distances between genes on a chromosome.
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The complete Question is:
What information about recombination frequencies enables scientists to create linkage maps?
- The higher the recombination frequency, the farther apart two genes are on a chromosome.
- The lower the recombination frequency, the farther apart two genes are on a chromosome.
- The recombination frequency between two genes is equal to the distance in nanometers between the two genes.
- The recombination frequency between two genes reveals the nucleotide sequence of the two genes.
a molecular biologist measures the mass of cofactor a in an average yeast cell. the mass is . what is the total mass in micrograms of cofactor a in a yeast colony containing cells? write your answer as a decimal.
The total mass of cofactor A in a yeast colony containing 10^5 cells is 2.47 micrograms.
To calculate the total mass of cofactor A in a yeast colony containing 10⁵ cells, we can use the following formula:
Total mass = (mass per cell) x (number of cells)
In this case, we know that the mass of cofactor A in an average yeast cell is 24.7 pg. To convert this to micrograms, we can divide by 10^6:
24.7 pg = 0.0000247 μg
Now, we can plug in the values we know and solve for the total mass:
Total mass = (0.0000247 μg/cell) x (10⁵ cells)
Total mass = 2.47 μg
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--The given question is incomplete, the complete question is
"A molecular biologist measures the mass of cofactor A in an average yeast cell. The mass is 24.7pg. What is the total mass in micrograms of cofactor A in a yeast colony containing 10^5 cells?"--
which metabolic process happens in the chloroplast
Within developed chloroplasts, photosynthesis—the primary energy conversion process for plant metabolism—takes place.
What metabolic activity is connected to chloroplast?Chloroplasts perform photosynthesis during the day. NADPH and ATP, which are the immediate byproducts of photosynthesis, are used by photosynthetic cells to create a range of chemical compounds. The light reactions and the Calvin cycle, which employs carbon dioxide, are the two major sets of reactions that make up photosynthesis, the process of converting sunlight's energy into "food."
Photosynthesis is a type of metabolic process.Metabolic pathways can be loosely divided into two types based on their results. A "building up," or anabolic, mechanism is photosynthesis, which produces sugars from smaller molecules. Contrarily, cellular respiration reduces sugar into smaller molecules and is a process that a catabolic or "breaking down" route.
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What does a clade consist of a common?
A clade is made up of all the descendants of a common ancestor.
What is a clade?A clade is a term used in biological classification to describe a group of organisms that includes a common ancestor and all of its descendants. The common ancestor is often referred to as the clade's "last universal common ancestor" (LUCA) and can be thought of as the point at which the lineage splits into two distinct groups. The descendants of the LUCA may have evolved different characteristics and adaptations over time, but they all share a common ancestry and are part of the same clade.
Clades are important for understanding the relationships between different groups of organisms and their evolutionary history. By grouping organisms based on their shared ancestry, researchers can better understand the patterns and processes of evolution and how different traits and characteristics have evolved over time.
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In a short essay (100-150 words), discuss how the processes shown in Figure 15,2 are examples of feedback mechanisms regulating biological systems in bacterial cells
Figure 15.2 of bacterial cells illustrates two key processes, which are both examples of feedback mechanisms.
What is bacterial cell?A bacterial cell is a form of prokaryotic cell, which is a type of single-celled organism that lacks a nucleus and membrane-bound organelles. Bacterial cells have a cell wall composed of peptidoglycan, and a cell membrane made of phospholipids and proteins.
The first is the release of end-products, which signals the end of a metabolic pathway and serves as a feedback signal to the cell to stop further production of the product. The second is the inhibition of enzyme production, which prevents the cell from overproducing enzymes and therefore prevents the cell from consuming excessive amounts of energy. Both of these processes act as regulatory mechanisms that keep the cell in balance and ensure its survival. Ultimately, these feedback mechanisms help to maintain the cell's homeostasis, or internal balance.
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Which of these is the BEST example of physical weathering?
The best example of physical weathering is the cracking of rock caused by the freezing and thawing of water, thus the correct option is (a).
Soil is created through the process of weathering. Once the rocks have been crushed into little pieces, the soil is created. Physical, chemical, and biological weathering are a few of the different forms of weathering that can occur. Rocks are eroded by physical means during the process of physical weathering. The process through which rocks are broken as a result of water freezing and thawing is an illustration of physical weathering. Usually, it happens at high pressure, very low temperature, or high temperature. Ice fracturing a stone is one of the possibilities presented to explain physical deterioration.
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The complete question is:
Which of the following is the best example of physical weathering?
a. the cracking of rock caused by the freezing and thawing of water.
b. the transportation of sediment in a stream.
c. the wearing of rock due to acid rain.
d. the formation of a sandbar along the side of a stream.
You examine a tissue sample under the microscope and discover that the tissue appears to be striated muscle. what can be concluded from this observation?
If a tissue has a striated appearance, it is likely made up of long, cylindrical cells with many nuclei and has a distinctive pattern of alternate light and dark bands, or striations, running the length of it.
Striated muscleThis kind of muscle tissue, often referred to as skeletal muscle or voluntary muscle, is in charge of the body's movement as well as the preservation of posture and the production of heat.This means that if a tissue sample resembles striated muscle, it was probably produced from an animal or human's skeletal muscle. This discovery offers important data for the identification and categorization of the tissue, information that can be applied to areas like anatomy, physiology,Several places where striated muscle can be found are as follows:
Striated muscle, which is present throughout the arms and legs and is responsible for limb movement.Back: Strong back muscles are essential for supporting the spine and preserving proper posture.The striated muscles of the abdomen are crucial for breathing as well as core strength and stability.Face: Facial emotions like a smile or a frown are produced by the striated muscles of the face.Speech and swallowing are controlled by striated muscles in the tongue and throat.learn more about striated muscle here
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what of these dinosaurs is classified as a carnivore?
The Dilophosaurus dinosaur is classified as a carnivore.
What is a Dilophosaurus?Dilophosaurus is a species of large carnivorous dinosaur that lived approximately 193 to 183 million years ago during the early Jurassic period. It was one of the first large predatory dinosaurs, and its fossils have been found in North America.
The Dilophosaurus was a bipedal dinosaur, and it had two large, bony crests on its skull that were used for display or to make it look larger. It was estimated to be around 20 feet long and had sharp teeth, indicating that it was a carnivore.
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The complete question is:
What of these dinosaurs is classified as a carnivore?
Triceratops | Tylosaurus · Iguanodon | Archaeopteryx · Alamosaurus | Mosasaurus · Coelophysis | Ankylosaurus · Brontosaurus | Dilophosaurus.
All of the dinosaurs listed except for option C. Archaeopteryx are classified as carnivores.
What nature of animals are dinosaurs?Albertosaurus, Allosaurus, Baryonyx, Carnotaurus, Giganotosaurus, Mapusaurus, Mosasaurus, Spinosaurus, Tylosaurus, and Tyrannosaurus Rex are all predatory dinosaurs that lived during the Mesozoic Era and are known to have been carnivores.
Velociraptor, while a small dinosaur, is also considered a carnivore, with evidence suggesting that it may have been a pack hunter that preyed upon small dinosaurs and other animals.
Archaeopteryx, on the other hand, is a more primitive dinosaur that lived during the Late Jurassic period and is considered to be a transition between reptiles and birds. While it is not considered a dinosaur, it is widely recognized as the earliest known bird and is believed to have been primarily a herbivore or omnivore, not a carnivore.
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The complete question goes thus:
what of these dinosaurs is classified as a carnivore?
Albertosaurus
Allosaurus
Archaeopteryx
Baryonyx
what will happen to the freshwater fish if you place it in sea water?
Due to the difference in salinity and osmotic pressure, freshwater fish will probably perish if placed in sea water. Large African lakes are home to the bulk of species.
A freshwater fish may face a variety of physiological and osmotic stresses in saltwater or seawater that might be detrimental or even lethal. Freshwater fish have evolved to be able to retain a higher concentration of salts and other solutes in their bodies than the water around them, allowing them to survive in habitats with lower salt concentrations than saltwater. In seawater, the fish may lose water and take in too much salt, which can cause electrolyte imbalances, dehydration, and other problems that may finally result in death. As a result, it's crucial to make sure fish are exclusively kept in settings that mimic their natural habitat.
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18. In pea plants, round peas are dominant to wrinkled peas. Complete the cross Rrx
Rr. What percentage of the offspring would you expect be round?
A) 25%
B) 50%
C) 75%
D) 100%
Round peas outnumber wrinkled peas in pea plants. 50% of the offspring following the cross Rrx completion should be spherical.
option B
50% of the F1 generation's progeny had wrinkled seeds. Heterozygous (Rr) round seeds plants will result from a cross between homozygous round seeds plants (RR) and homozygous wrinkled seeds plants (RR) as F1 generation. Round seeds are a dominant characteristic in pea plants, whereas wrinkled seeds are a recessive trait. For the pea plant's seed form in this instance, "R" is the dominant allele and "r" is the recessive allele. The seed bearing plant would have genotype RR. The plant with genotype rr would thus produce seeds that were wrinkled.
As a result, if the outcome is entirely tall plants, the parent's genotype will be homozygous dominant (TT), and if it is 50% tall and 50% dwarf, the parent's genotype will be heterozygous.
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what other evidence would you use to analyze evolutionary relatedness among gibbons, monkeys, and humans
The evolutionary relationship is important to understand the evolution of the organisms. The common ancestors and closely related species of the organisms can be known by study the evolutionary relationship of the organism.
The DNA sequence and the amino acid sequence of gibbons, monkeys, and humans are quite similar with each other. The gibbons and humans have more then 99% DNA sequence similarity. The physical characteristics, cranial capacity and anatomical characteristics of the gibbons, monkeys, and humans are more or less similar with each other.
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Full Question ;
what other evidence would you use to analyze evolutionary relatedness among gibbons, monkeys, and humans?
The double coiled, "staircase" shape of DNA is called a double helix. True/False?
It is True that the double-coiled, "staircase" shape of DNA is called a double helix.
The double-coiled, "staircase" shape of DNA is indeed called a double helix. The double helix is a twisted ladder-like structure composed of two complementary strands of nucleotides held together by hydrogen bonds between their nitrogenous bases. The two strands are coiled around each other to form a double helix with a uniform diameter throughout its length. The double helix structure of DNA was first proposed by James Watson and Francis Crick in 1953, based on the work of Rosalind Franklin and Maurice Wilkins, and it is one of the most important discoveries in the field of molecular biology.
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Which of the following mRNA modifications is common in human cells?a. 5' cap additionb. intron removal and exon joiningc. 3' poly-A tail additiond. alternative splicinge. All of these choices are correct.
All of the above are common mRNA modifications in human cells.
What is mRNA?
mRNA, or messenger RNA, is a molecule of ribonucleic acid (RNA) that carries genetic information from DNA to the ribosomes in the cell. It is responsible for the translation of genetic information into proteins, which are the functional molecules of the cell.
5' cap addition is a common mRNA modification in human cells that involves adding a modified guanine nucleotide to the 5' end of the mRNA as a protective measure. Intron removal and exon joining is another common mRNA modification in human cells where introns are removed and exons are joined together to form the mature mRNA. 3' poly-A tail addition is a modification where a long chain of adenine nucleotides is added to the 3' end of the mRNA, which helps protect the mRNA from degradation. Alternative splicing is another common mRNA modification in human cells where the pre-mRNA is spliced in multiple ways to produce different mRNA molecules that can code for different proteins.
Therefore, option e, All of the above is the correct answer.
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if you have blood type a what blood antigens do you lack?
Blood type A: has the A antigen, but not the B antigen. Antigens are surface proteins located on RBCs. Type O negative blood is only blood type that does not have antigens. Blood type A has A antigens and B has B antigens, AB has both A and B antigens.
What are main blood types?There are four main blood types (blood groups): A, B, AB and O. Blood group is determined by genes that are inherited from parents. Each group is either RhD-positive or RhD-negative, meaning there are eight blood types in total.
What is the golden blood type?One of the rarest blood types in the world is called Rh-null. This blood group differs from Rh-negative because it does not contain any Rh antigens. Less than 50 individual have this blood group. Also known as "golden blood".
What is the strongest blood type?Type O-negative red blood cells are considered the safest to give to someone in a life-threatening emergency, or when the supply of the exact matching blood type is limited. This is because type O-negative blood cells do not have antibodies to A, B, or Rh antigens.
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dna molecules consist of chemically linked sequences of the bases adenine, guanine, cytosine, and thymine, denoted a, g, c, and t. a sequence of three bases is called a co don. a base may app ear more than once in a co don. (a) how many dierent co dons are there? (b) how many co dons consist of three dierent bases?
There are 64 different possible codons that can be formed by the four different bases (A, G, C, and T). There are 48 codons, each of which has three distinct bases.
This can be calculated by the formula [tex]4^3[/tex], which represents all possible combinations of three bases. To determine the number of codons that consist of three different bases, we need to subtract the number of codons that have repeated bases from the total number of codons. There are 16 codons that have two repeated bases, such as AAA, CCC, GGG, and TTT. This can be calculated by subtracting the 16 codons with repeated bases from the total of 64 codons: 64 - 16 = 48.
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In systems where the potential for intense sperm competition exists, selection should NOT favor:A. specialized sperm morphology.B. large testes with greater sperm production.C. sperm with greater velocity and/or endurance.D. decreased copulation duration.E. increased time guarding the female after copulation if last- male precedence exists.
In systems where the potential for intense sperm competition exists, selection should NOT favor D. decreased copulation duration.
Option D is correct because a longer copulation duration can increase the chances of successful fertilization and reduce the likelihood of another male mating with the female. Therefore, selection would favor increased copulation duration in situations with intense sperm competition.
Specialized sperm morphology, large testes with greater sperm production, and sperm with greater velocity and/or endurance would all be favored in situations with intense sperm competition as they can increase the chances of successful fertilization.
Increased time guarding the female after copulation if last-male precedence exists, would also be favored as it can reduce the likelihood of another male mating with the female and potentially fertilizing her eggs.
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cells in the ________ system are sometimes named for their color, or the color they become when stained.
Cells in the immune system are sometimes named for their color, or the color they become when stained .
The immune system protects your child's body from outside invaders. These include germs such as bacteria, viruses, and fungi, and toxins (chemicals made by microbes). The immune system is made up of different organs, cells, and proteins that work together. Organs and tissues important to the proper functioning of the immune system include the thymus and bone marrow, lymph nodes and vessels, spleen, and skin. White blood cells are the key players in your immune system. They are made in your bone marrow and are part of the lymphatic system. White blood cells move through blood and tissue throughout your body, looking for foreign invaders (microbes) such as bacteria, viruses, parasites and fungi .
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the copying mechanism of dna is most like a) taking a picture of yourself and of your reflection in a mirror. b) mixing flour, sugar, and water to make bread dough. c) dripping water out of a faucet. d) carving a figure out of wood. chapter 11
The copying mechanism of DNA is most like, taking a picture of yourself and of your reflection in a mirror. Thus, A is the correct option.
This is because DNA replication involves the complementary base pairing of nucleotides, which is similar to the way in which flour, sugar, and water combine to form a cohesive dough.In the process of DNA replication, the two strands of the double helix are separated, and each strand serves as a template for the synthesis of a new complementary strand.
The nucleotides that make up the new strand are added one by one in a specific order, based on the complementary base pairing rules (A-T and C-G). This process results in the formation of two identical DNA molecules, each with one original and one newly synthesized strand.
Similarly, when making bread dough, flour, sugar, and water are combined in a specific order and mixed to form a cohesive mixture. As the mixture is kneaded, the ingredients become fully incorporated and form a homogeneous dough. This process is similar to the way in which nucleotides are added one by one during DNA replication, resulting in the formation of two identical DNA molecules.
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briefly describe what each brain region controls. cortex: cerebellum: hypothalamus: corpus callosum: medulla: pons:
cortex
The outer layer protecting the outside of your brain is called the cerebral cortex. There are approximately 14 and 16 billion nerve cells in it. The higher cognitive functions of the human brain, such as memory, cognition, learning, reasoning, problem-solving, emotions, consciousness, and sensory functioning, are all governed by the cortex.
cerebellum
A component of your brain called the cerebellum aids in the coordination and regulation of a wide range of bodily and mental processes. More than half of the neurons—the cells that make up your nervous system—in your entire body are contained in it, despite the fact that it is very small in comparison to your brain overall.
hypothalamus
Your peripheral nervous system, which also responds to signals outside of your body, and the nerve cells in your brain and body (your hypothalamus) send chemical messages to each other. Reacting to these signals is your hypothalamus's principal job in maintaining the stability or internal balance of your body.
corpus callosum
The corpus callosum, a substantial bundle of nerve fibers in the brain that connects the two hemispheres, allows communication and signal transmission between the two sides of the brain. This cerebral highway serves as a continuous conduit for the exchange of information that combines sensory, motor, and cognitive components.
medulla
The lowest portion of your brain is called the medulla oblongata. Because of its location, where your brain and spinal cord converge, it serves as a crucial pathway for nerve messages traveling to and from your body. Additionally, it aids in maintaining the regulation of critical functions like blood pressure, respiration, and heartbeat.
pons
The brainstem, which connects the spinal cord to the brain, includes the pons. Your sleep-wake cycle and breathing are only two examples of the tasks and unconscious processes it manages. It also has a number of sites where nerves that control muscles and transmit information from your senses to your head and face converge.
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what is the dominate hair color of the beefmaster?
Black, Brown, and Red are the three standard coat hues for cattle. They are brought on by a single set of genes that control the quantity (and colour) of pigment produced.
The black gene, which makes hair black, is more prevalent than the other two. Only red pigment is produced by the red gene, which is recessive to the other two genes. The brown gene, which is most likely the original, "wild" type hue, induces the development of both red and black pigment in variable degrees, producing a colour that ranges from red with some dark on the legs and head to virtually black. These nearly-black cattle typically have a brown or mealy muzzle.
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bones are classified by whether they are weight bearing or protective in function. true/false
Answer:
true
I hope it helps....
in appositional growth, chondrocytes within cartilage divide and secrete new matrix. true/false
True. Chondrocytes, which are the cells in charge of creating and maintaining the cartilage matrix, divide and secrete new matrix during a process called appositional growth,
Within cartilage, chondrocytes divide and secrete new matrix during appositional growth. cartilage that has become calcified. Two diaphysis and one epiphysis could define a long bone.
As opposed to interstitial growth, which occurs when the chondrocytes within the present cartilage matrix divide and produce new matrix, in the latter case. Chondrocytes in the perichondrium, the cartilage's outer layer, divide and secrete new matrix as the appositional growth process progresses.
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what would happen to the panther species as a whole if black color was an advantage for survival?
The ability to conceal from their prey at night thanks to the dark, black fur of the black panther species is advantageous for survival.
What adaptations do cats have that help them survive?These big cats are incredibly agile and are able to travel stealthily through a forest, climb trees, and easily descend a mountainside. As a jumping adaptation, their hind limbs are longer than their forelimbs.
Why are all cats black?Recessive and dominant alleles, respectively, are thought to be responsible for leopards' and jaguars' black coat colouring. A specific set of alleles induces the creation of a lot of the dark pigment melanin in the skin and fur of each species.
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the arteries that anastomose and form the two arterial arches in the palm are the _____ and _____ arteries.
The radius and ulna, two bones that make up the forearm, are found on the thumb and pinky sides, respectively. One of the two arteries that continue the brachial artery is the radial artery; the other is the ulnar artery.
It nourishes the forearm's anterior compartment. The axillary artery splits into two branches, the radial and ulnar arteries, which act as the primary forearm perforators. The radius is shorter than the ulna and has a large distal end that joins with the carpal bones at the wrist. Its little proximal end joins with the humerus. The ulna's dimensions are reversed when compared to the radius because it has a large proximal end that articulates with the humerus and a tiny distal end. The forearm and hand can pronate and supinate according to the shape of the radius and ulna and the joints that connect them.
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A population of rabbits live in a grassy field that is lush and green in summer and covered in snow in the winter. at the start of the summer 75% of the population are white rabbits and the remaining 25% of the population are brown rabbits . IN rabbits White (W) is dominant over brown (w). During the summer, the field where they live experiences a drought . the summer drought lasts for two years , through many generations of rabbits
The rabbit population will consist of 35% white rabbits and 65% brown rabbits. Option B is correct.
Limiting factors of the rabbit population: Until a limiting factor, such as low reproduction, food scarcity, predation, disease, as well as weather conditions restrict populations, the population tends to grow.
Some density-dependent limiting factors are the spread of pathogens, competition for nesting locations, the destruction of habitat, increase in the population of predators. Several predators, including raptors and coyotes, use rabbits as food, but in urban and suburban areas, cats and dogs pose the biggest threat. Some abiotic limiting factors are drought, flood, earthquake, and all types of natural disasters.
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--The given question is incomplete, the complete question is
"A population of rabbits live in a grassy field that is lush and green in summer and covered in snow in the winter. at the start of the summer 75% of the population are white rabbits and the remaining 25% of the population are brown rabbits . IN rabbits White (W) is dominant over brown (w). During the summer, the field where they live experiences a drought . the summer drought lasts for two years , through many generations of rabbits. Which prediction BEST estimates the expected percent of white and brown rabbits in the population at the end of the drought? A) The rabbit population will consist of 0% white rabbits and 100% brown rabbits. B) The rabbit population will consist of 35% white rabbits and 65% brown rabbits. C) The rabbit population will consist of 95% white rabbits and 5% brown rabbits. D) The rabbit population will consist of 80% white rabbits and 20% brown rabbits."--
Determine weather the body plans of the animals display radial or bilateral symmetry.
The body plans of the animals display radial or bilateral symmetry and they include:
Butterfly and fish - bilateral symmetryStarfish, buttercup - radial symmetry.What is Radial symmetry?This is referred to as the type of symmetry which occurs when any plane passing through the central axis divides the body of an organism into two equal halves.
Bilateral symmetry on the other hand is a situation in which similar anatomical parts are arranged on opposite sides of a median axis so that one and only one plane can divide the individual into essentially identical halves.
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which structure is highlighted left anterior descending artery circumflex artery left coronary artery right marginal artery right coronary artery
artery on the left side. A branch of the left circumflex artery, it can be discovered at the left AV sulcus. It heads for the top of the heart. the artery on the left that descends anteriorly.
Branches emerge from the left major coronary: The left coronary artery divides into the left anterior descending artery, which provides blood to the front of the left side of the heart. The left coronary artery's left circumflex branch surrounds the heart muscle. Your left main coronary artery has two branches, the left anterior descending (LAD) artery being one of them. Anterior refers to an artery that feeds blood to your heart's front chambers. It is your heart's main source of oxygenated blood for the lower left ventricle, which pumps blood throughout your body.The left major coronary artery and the right coronary artery (RCA) are the two primary coronary arteries (LMCA). The aorta's root is the source of both of them. The right atrium and right ventricle are the primary recipients of blood from the RCA, which exits the anterior ascending aorta.
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