When one gene has several different forms, resulting in more than two phenotypes is called multiple alleles.
Аlleles аre the pаirs of genes occupying а specific spot cаlled locus on а chromosome. Typicаlly, there аre only two аlleles for а gene in а diploid orgаnism. When there is а gene existing in more thаn two аllelic forms, this condition is referred to аs multiple аllelism. Аllelism refers to аny of the severаl forms of а gene. These genetic vаriаtions аrise usuаlly through mutаtion аnd therefore аre responsible for hereditаry vаriаtions. Аn exаmple of multiple аlleles is the АBO blood group system in humаns.
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assume that a student is given two different models of bacteria with one model consisting of big bacteria and the other consisting of small bacteria how can the student demonstrate the theory of endosymbiosis using the models
This can be demonstrated with a model that shows a large microbe consuming a smaller one. Small bacteria evolved into eukaryotic cells' mitochondria and chloroplasts, which are DNA-containing cell organelles. Therefore, "Option A"—which depicts the large bacteria consuming the small one—is the appropriate response.
what are bacteria ?Bacteria are common, largely free-living organisms that frequently only have one biological cell. They make up a significant portion of the prokaryotic microbial kingdom. Bacteria, which are typically a few micrometers in length and were among the first life forms to emerge on Earth, are found in the majority of its habitats.
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Answer:
it would be answer A, show the big bacteria ingesting the small one
Explanation:
What is the magnification of the ocular lens?
The ocular lenses on your scope have a 10X magnification. Immersion Oil: By contrasting the specimen with the medium, clear, minutely detailed pictures are produced. This contrast is achieved by altering the specimens' medium's refractive index.
Magnification is the process of expanding something's perceived size rather than its actual size. This expansion is measured in terms of a calculated quantity known as "magnification." The term "minification" or "de-magnification" is frequently used to describe a reduction in size when this number is less than one.
Magnification frequently refers to enlarging graphics or images to view more detail, boosting resolution, using a microscope, printing methods, or digital processing. The viewpoint of the picture is unaffected by image magnification in any situation.
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T/F : agglutinogens are only found on the surface of red blood cells.
True
Agglutinogens are found only on the surface of red blood cells. Anything that acts as an antigen in the formation of a specific agglutinin.
Any substance that acts as an antigen to stimulate agglutinin production. Agglutinogens are proteins found on the surface of all red blood cells in the body. The type of agglutinogens found on red blood cells can help determine a person's blood type.
Red blood cells are the most common type of blood cell and the primary way for vertebrates to distribute oxygen to their body tissues via blood flow through the circulatory system. Red blood corpuscles, haematids, erythroid cells, and erythrocytes are other names for them.
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the speed of muscle fiber contraction is determined primarily by the____
the speed of muscle fiber contraction is determined primarily by the Speed of ATPase. speed of ATP hydrolysis on the head of the myosin.
What causes the contraction of muscle fibers?An Action Potential that travels from the nerves to a muscles causes a muscle contraction.The neurological system sends a signal, which triggers the onset of muscle contraction.A type of nerve called a neuromuscular junction conducts the signal, a impulse known as an action potential.
What controls how quickly skeletal muscle fibers contract?The amount of stress created in each individual muscle fiber is influenced by the pass area of a muscle fiber as well as the frequency of brain activation.The degree of tension which a muscle fiber may produce depends on how many cross-bridges occur between actin and myosin.
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Why do some people believe in the fixity of life? Or the fixity of Earth?
Some people may believe in the fixity of life and the fixity of Earth for a variety of reasons, including religious or philosophical beliefs, lack of exposure to scientific evidence, or a mistrust of scientific explanations.
Many religious beliefs hold that life and the Earth were created by a higher power and that they remain unchanging, thus making the fixity of life and the Earth an integral part of those beliefs.
Some people may be resistant to accepting the idea of evolution because it challenges their existing beliefs or understanding of the world.
Some people may have had little exposure to scientific evidence and theories, and they may not have been exposed to the evidence that supports the idea of evolution.
Some people may have mistrust of science, and they may be skeptical of scientific explanations, particularly those that challenge their existing beliefs or understanding of the world.
People may also believe in the fixity of life and the fixity of Earth because of lack of understanding of the scientific concepts and evidence behind the idea of evolution and the processes that shape the Earth and life.
Is substitution a missense mutation?.
substitution is not a missense mutation.
A genetic modification in which the genetic code is altered by a single base pair substitution, producing an amino acid that is different from the usual amino acid at that position. Certain missense variants (or mutations) alter a protein's functionality.
In terms of genomics, substitution is a sort of mutation where one nucleotide is changed for a different nucleotide. The phrase can also be used to describe switching out one amino acid for another in a protein.
A frequent and well-known example of a missense mutation is the blood condition sickle-cell anaemia. Missense mutations exist in the DNA at a single location in sickle-cell anaemia patients. A different amino acid is required in this missense mutation, which also alters the overall structure of the protein.
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What is it called when the cell still has 46 chromosomes?.
It is called when the cell still has 46 chromosomes is a diploid cell
Chromosomes are fine threads that can absorb the colors inside the cell. Chromosomes are made of protein and a DNA molecule which contains the genetic instructions an organism inherits from parents. Chromosomes consist of centromeres, chromatids, telomeres, chromosomes and satellites.
The process of fertilization by the meeting of ovum cells and sperm cells produces diploid cells with a chromosome number of 46 chromosomes or 23 pairs of chromosomes. In diploid cells, chromosomes appear in pairs, which are called homologous chromosomes. Homologous chromosomes have the same shape, size and gene sequence.
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I the round-the-alimentary canal trip intereting? What are the clae of food that have been digeted by and aborbed into the body? Are there any clae of food that leave the body undigeted?
The majority of the nutrients in your meal are digested and absorbed in the small intestine before being transported by your circulatory system to other areas of your body for storage or utilization. Special cells assist absorbed nutrients in getting through the gut barrier and into the circulation.
What are the seven steps of digestion?The digestive processes include ingestion, propulsion, mechanical digestion, chemical digestion, absorption, and feces.
How is food metabolized and absorbed by the body?Large food molecules break down into smaller ones when they move through the GI tract and interact with digestive fluids. The bloodstream carries these smaller molecules to the rest of the body once the body absorbs them through the small intestine's walls.
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in the stomach, food becomes a semisolid paste called
In the stomach, food becomes a semisolid paste called Chyme.
What is chyme?
Chyme, a thick semifluid mass of partially digested food and digestive fluids generated during digestion in the stomach and intestine. The gastric glands produce digestive fluids in the stomach, which contain the enzyme pepsin, which breaks down proteins, and hydrochloric acid. Food causes the pancreas to secrete fluid having a high concentration of bicarbonate once it reaches the small intestine. This fluid neutralizes the extremely acidic gastric juice, which would otherwise destroy the intestine's membrane lining, leading to a duodenal ulcer. Other secretions from the pancreas, gallbladder, liver, and intestinal wall glands contribute to the overall amount of Chyme.
Food particles are absorbed by the intestinal wall and delivered to the circulation when they are sufficiently reduced in size and content. Some food is transferred from the small intestine to the large intestine, sometimes known as the colon. Bacteria in the colon break down proteins, carbohydrates, and certain plant fibers that are not completely digested by the other organs.
Hence, food becomes a semisolid paste called Chyme
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what posterior part of the eye is full of blood vessels?
Your eye's choroid is the spongy middle layer between the sclera and retina. The choroid, which is packed with blood vessels, provides nourishment for the retina's outer layers.
Which region of the eye is lined with blood vessels?
Choroid. The thin, blood-rich membrane that supplies blood to the retina and is located between the sclera and the retina.The iliac body: the part of the eye that connects the choroid and iris together.
Which eye layer has blood vessels?
Between the sclera, which is the white outer layer of the eye, and the retina, which is the inner layer of nerve tissue at the back of the eye, is the choroid, a thin layer of tissue that is part of the middle layer of the wall of the eye. Blood vessels line the choriod, carrying nutrients and oxygen to the eye.
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in alternate leaf patterns, how many leaves are produced at each node?
In alternate leaf patterns, one leaf is produced at each node.
In plants with alternating leaf patterns, each node has a single leaf, which is carried alternately down the stem in an ascending spiral. The leaves of opposite-leaved plants are paired at a node and borne in opposition to one another.
Alternate, spiral, opposite, or whorled leaves are the different types of leaves. Plants with a single leaf per node are considered to have leaves that are alternate or spiral. Spiral leaves are distributed along the stem in a spiral pattern, and alternate leaves alternate on either side of the stem in a flat plane.
The leaves are placed alternately, as suggested by the name. At each node in this case, there is only one leaf. This indicates that every leaf will grow from a distinct side node. Examples include hibiscus and sunflower.
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The hair color of 39 males and females was recorded. Thirteen of them had brown hair. Eleven of them had blonde hair. Five males had brown hair. Four females had blonde hair. There were 21 females altogether.
The amount of melanin, a pigment, in hair determines the color of the hair. People with black or brown hair have high levels of eumelanin, one kind of melanin.
Given the total number of boys and girls = 39
Number of people having brown hair = 13
Number of people having blonde hair = 11
Number of boys having brown hair = 5
Then number of girls having brown hair = 13 - 5 = 8
Total number of females = 21
Number of females having blonde hair = 4
Then number of boys having blonde hair = 11 - 4 = 7
Number of boys in total strength = 39 - 21 = 18
Number of girls having blonde hair and brown hair = 8 + 4 = 12
Number of girls without blonde or brown hair = 21 - 12 = 9
Number of boys without blonde or brown hair = 18 - (5+7) = 6
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Answer: I did the test
If John and Sam each push on a boulder with a force of 30N, but in opposite directions, what will happen to the boulder?
John Sam
Question 2 options:
The boulder moves towards Sam
The boulder moves away from John and Sam
The boulder moves towards John
The boulder will not move.
If John and Sam each push on a boulder with a force of 30N, but in opposite directions, the boulder will not move and is therefore denoted as option D.
What is a Force?This is referred to as an influence that can change the motion of an object and the unit is Newton.
In a scenario where there is an equal amount of force acting in the opposite direction, then it means there is an equilibrium. This means that the object will not move as in the case of the boulder and is therefore the reason why option D was chosen as the correct choice.
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What makes Claire sick in A Breath of Snow and Ashes?.
Experts, healers, and Yoga practitioners consistently suggest meditation as a helpful method for calming individuals down.
Claire works around the clock to achieve a deadline. She frequently practices meditation, a stress-reduction technique that involves deep, steady breathing. Experts, healers, and Yoga practitioners consistently suggest meditation as a helpful method for calming individuals down. Meditation is a breathing and relaxation practice that teaches people to take calm, deep breaths to unwind their bodies and minds while concentrating on each one. They claim that by taking deep breaths, they are able to calm down and concentrate on the good. A) Muscle relaxation was one of the other answers to the question. B) rewiring the brain. C) total health and wellness D) biofeedback.
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outline the major characteristics of each group of microorganisms discussed in class (bacteria, archaea, algae, protozoa, fungi, viruses, and helminths). which groups are prokaryotes? which are eukaryotes?
In contrast to algae, protozoa, and fungus, which are considered eukaryotes, prokaryotes include bacteria and archaea. Various animals have various ways of surviving, bodily architecture, environments, and other important distinguishing characteristics.
Both archaea and bacteria have diverse evolutionary histories, and they also differ greatly in terms of their genetic make-up, metabolic processes, and membrane and cell wall composition. Eukaryotes are characterized primarily by the presence of nuclei in their cells. Algae cells are encased in cellulose-based cell walls, which are a form of carbohydrate. Protozoa are protists that serve as the foundation of several food chains by supplying essential nutrients to other species. The fungi can be multicellular, like mushrooms, resembling plants, they are very different from them in reality and fungi lack photosynthesis. As the majority of helminths are large enough to be seen without a microscope, they are not considered to be microorganisms. However, because the illnesses brought on by helminths include tiny eggs and larvae, these worms belong within the umbrella of microbiology. Since viruses are acellular microbes, they do not include cells. Proteins and genetic material that are inactive outside of a host organism either DNA or RNA, but never both make up a virus in its purest form.
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A viral genome was one of the first genomes sequenced because
A viral genome was one of the first genomes sequenced because viruses have a relatively small genome size compared to other organisms.
The first viral genome to be fully sequenced was the tobacco mosaic virus (TMV) in the early 1980s. The genome size of TMV is relatively small, consisting of a single strand of RNA that is only 6,400 base pairs in length.
This made it a relatively simple and straightforward target for sequencing techniques that were available at the time. Additionally, studying the genetic makeup of viruses can provide insight into their replication mechanisms and aid in the development of antiviral drugs and vaccines.
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in the five-kingdom system, which kingdom consists primarily of unicellular eukaryotes?
The Protista kingdom is composed primarily of unicellular eukaryotes, making it the most diverse of the five kingdoms in the five-kingdom system.
Protists, as they are commonly known, can be found in all types of habitats, from oceans and freshwater to soil belonging to the five kingdom system.
They range from microscopic single-celled organisms to large multicellular organisms, and can be either photosynthetic or heterotrophic.
Protists are essential for the health of ecosystems, as they play a key role in the global cycling of nutrients and energy and are unicellular.
Protista are found in a variety of habitats, from freshwater to marine, and range from simple to complex organisms. Examples of protists include algae, slime molds, and amoebas.
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optimal growth temperatures are based on those at a two-inch soil depth.
Optimal growth temperatures are based on those at a two-inch soil depth. is true statement.
What is Optimal growth temperatures?
the shortened term The term "OGT" refers to the midpoint of the optimal growth temperature range. The OGTs that are taken into consideration for plastid species, archaea, and bacteria are 2 to 52.5°C, 22.5 to 114°C, and 7 to 85°C, respectively.Most bacteria are mesophiles, which can thrive best at temperatures between 20 and 45 degrees Celsius. Due to their preference for body temperature (37 oC), many infections are mesophiles. It is best for thermophiles to grow between 55 and 65 degrees Celsius. In hot springs, compost piles, and hot water heaters, thermophiles can be discovered.The optimal temperature range for human infections to proliferate is between 35 and 37 degrees Celsius. At 36°C 2°C and 35°C 1°C, respectively, it is advised to conduct biochemical tests for identification of pure isolates.To learn more about two-inch soil refer to:
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Which of the following
statements about the Law of
Acceleration is true?
According to the law of acceleration, an object's acceleration increases as its mass decreases while its force remains constant.
What is Law of Acceleration?Newton's law explains how the relationship between the force, mass, and acceleration works.
Mass times acceleration equals force. The mass is inversely proportional to the acceleration, according to the equation.
According to the second law, the mass of the item and the net force acting on it both affect how quickly an object accelerates. An object's acceleration is directly proportional to the net force applied on it and inversely proportional to its mass.
Therefore, According to the law of acceleration, an object's acceleration increases as its mass decreases while its force remains constant.
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The complete question is :
A: Increasing an object's mass decreases the amount of force required to move it
B: Decreasing the mass of an object increases its acceleration while force is constant
C: Increasing the force applied to an object does not change its acceleration while mass is constant
D: Decreasing the force applied to an object increases its acceleration while mass is constant
1. Your teacher will provide you with two test tubes wrapped in foil. The test tubes contain colonies of Euglena, which are photosynthetic microorganisms. Find the hole in the foll around one of the test tubes. 2. Where do you predict Euglena will be found in each test tube? Record your prediction. 3. Carefully remove the foll from each test tube. Make sure not to shake or disturb their contents. Observe the locations of Euglena in the test tubes, and record your observations. Analyze and Conclude 1. Identify Patterns What pattern do you observe in the distribution of Euglena in the two test tubes? 2. Construct an Explanation How could the pattern you observed in Euglena behavior be useful or beneficial to the organism? Propose a logical explanation. 3. Apply Scientific Reasoning Euglena can also live heterotrophically. If you repeated the experiment with test tubes of Euglena that also contained a food source, do you think the results of your experiment would be the same? Explain your reasoning.
In the dark test tube carbon dioxide will be created, and will bring about the corrosiveness level in the water increment.
What happens in the light test tube carbon dioxide?In the light test tube carbon dioxide will be devoured, making the oxygen level ascent and make the corrosiveness level lessening.The test tubes contain colonies of Euglena, which are photosynthetic microorganisms.
Observe the locations of Euglena in the test tubes, and record your observations.If you repeated the experiment with test tubes of Euglena that also contained a food source.
Therefore, In the dark test tube carbon dioxide will be created, and will bring about the corrosiveness level in the water increment.
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What are the parts of the bony fish labeled a and b? Select from the drop-down menus to label the parts of the bony fish. k-12.
Answer:
Explanation:
tail bone
Spine ribs gills catfish ewwww
A. Dorsal Fin
B. Pelvic Fin
k12 test
What is the origin of cancer called?.
A malignant tumour of epithelial origin or cancer of the internal or exterior lining of the body is referred to as a carcinoma. In between 80 and 90 per cent of all cancer cases, epithelial tissue malignancies called carcinomas are present.
DNA alterations are the root cause of cancer. Most DNA alterations that cause cancer takes place in regions of DNA known as genes. These modifications are also referred to as genetic changes. Genes involved in regular cell growth can change from being oncogenes due to a DNA alteration.
The bodily portion from which it first appeared is where cancer gets its name. This moniker remains the same as cancer spreads. For instance, kidney cancer still qualifies as kidney cancer and not lung cancer if it spreads to the lungs. One example of a secondary tumour is lung cancer.
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How do objects appear when all of the colors of light are absorbed reflected selectively absorbed?.
The objects appear when all of the colors of light are
When аn object аbsorb light, the аtoms thаt mаke up thаt object аre аbsorsing the energy of the light hitting the object.When аn object reflects light, the аtoms thаt mаke up thаt object cаnnot аbsorb the energy of the light hitting the object.When an object selectively absorbed light, the аtoms of the object will аbsorb the light energy if the frequency of the light is exаct аmount of energy object.Light аcts аs both а pаrticle аnd а wаve, аnd is meаsured in two importаnt wаys. The wаvelength of light refers to the distаnce between two consecutive wаves in sequence, meаsured in nаnometers (nm). The frequency of the light meаsures the vibrаtionаl intensity аnd speed of the wаve (i.e. how mаny wаves in а given аmount of time), meаsured in hertz (Hz). These two wаys of meаsuring light аre inversely proportionаl, meаning when the wаvelength of light is higher, the frequency will be lower, аnd vice versа.
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Do trees hold any special cultural importance to you, your family or culture? What is that importance?
Answer:
Particular trees have a sacred status, are used in rituals, provide ingredients for cultural dishes or have symbolic importance for ethnicity, identity and connection to a place. Trees also play a central role in stories, myths and histories.
Answer:
Trees are widely considered to be important in many cultures around the world for a variety of reasons. Some examples include:
Many indigenous cultures view trees as sacred and hold them in high spiritual regard. They may be seen as symbols of life, fertility, and wisdom, and are often revered in religious rituals and ceremonies.In many cultures, trees are associated with ancestors and the afterlife. They may be planted near graves or used in funeral ceremonies as a way to honor the dead and connect them with the living.Trees are also important for their practical uses, such as providing shade, food, medicine, and wood for shelter and tools. Many cultures have developed a deep understanding of how to use and care for different types of trees and rely on them for survival.Trees are also important for environmental reasons, they play a crucial role in maintaining the balance of the ecosystem and regulating the climate, they also help in providing fresh air and maintaining the water cycle.Overall, trees hold cultural, spiritual, practical, and environmental importance in many cultures around the world.
Can someone help me with these 2 questions?
Answer:
1.We'd all die. Explanation: If we were a newly fertilized egg, we wouldn't develop. We'd stay that fertilized egg. If we were a full sized adult, we wouldn't heal wounds, wouldn't replace cells (you lose about 40,000 skin cells every minute - so you'd run out of skin in a short time if you didn't have cell division).
2A mutation occurs during the development of muscle cells but not in blood cells. Different genes are activated in muscle cells than in blood cells. Muscle cells experience different environmental influences than blood cells. Muscle cells are produced by the brain, but blood cells are produced by the heart.
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what protects mrna from attack by cellular enzymes?
what body part produces and stores cells that fight infection and disease?
what type of biomolecule contains phosphorus
Answer:DNA,RNA,ATP
Explanation:
A small molecule that specifically binds to another molecule, usually a larger one
A) is called a signal transducer.
B) is called a ligand.
C) is called a polymer.
D) seldom is involved in hormonal signaling.
E) usually terminates a signal reception
A ligand is a tiny molecule that particularly binds to some other molecule, typically a bigger one.
A molecules that selectively attaches to a bigger one is called a ligand. Recptor-ligand contact and signalling pathway activation are divided into four categories based on the origin of the ligand (from the same cell, from a nearby cell, or from a distance): autocrine, endocrine, paracrine, and juxtacrine. the process through which a cell reacts to things outside of it via signalling molecules that are both inside and on its surface. As a broad term for molecules that particularly attach to other molecules, "ligand" is frequently used to refer to signalling molecules (such as receptors). The message sent by a ligand is frequently transmitted inside the cell through a series of chemical messengers.
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Agents that prevent or relieve itching are ________ agents.A) antifungalB) antibioticC) antiviralD) antipruritic
Answer:
D. Antipruritic
Explanation:
To solve this we need to know the roots of the words we are given. "Anti" we know means to inhibit or stop. Fungal refers to fungus, biotic refers to bacteria, and viral refers to viruses. This leaves the root "Pruritic " for us to figure out. By process of elimination, this is of course our answer, but we need to know and recognize that the word "Pruritis" means itching. Therefore antipruritic would refer to something that stops or inhibits itching.
