A.binding with the genome's corresponding sequence.
How are specific DNA sequences located using gene probes?The cDNA will be labeled and can then be utilized as a hybridization probes to search for the corresponding sequences if radioactive bases is added to a reaction mixture.
What purposes serve gene probes?Microorganisms can be quickly and precisely identified using gene probes.We'll talk about phylogenetic identification and in-situ detection of uncultured bacteria.
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which of the following may represent the sequence of one strand of a dna palindrome recognized by a restriction enzyme?
5' ATGGAT 3'
5' ATGATG 3'
5' ATGGTA 3'
5' ATGCAT 3'
To produce reproducible fragments and unique gel electrophoresis, these enzymes break DNA at set places relative to their recognition sequence.
What series constitutes a palindrome?When the sequences reading 5' (five-prime) to 3' (three prime) forward on one strand match the sequences reading 3' to 5' on the complementary strand with which it forms a double helix, they are said to be palindromic.
A DNA sequence: what is it?Finding the nucleotide sequences of DNA molecules is a skill called DNA sequencing. Name at least two available techniques for DNA sequencing. One technique of sequencing is by hand. chemical sequencing using maxam-gilbert and sanger chain termination.
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1. A species that has a chromosome number of 2n =24. How many would you find a diploid cells? How many chromosomes would find in a haploid cell? Thank you
Meiosis will create four gamete haploid cells with n = 12 single stranded chromosomes from a diploid germ cell with 2n = 24 double stranded chromosomes.
Due to the fact that DNA replication is represented by double-stranded chromosomes, meiosis creates four offspring. twice as much DNA is required for a diploid cell.
For the same reason, mitosis will result in two diploid daughter cells with 2n = 24 single stranded chromosomes from a diploid germ cell with 2n = 24 double stranded chromosomes.
The genome is doubled by DNA replication prior to cell division. The DNA duplicated in double stranded chromosomes is represented by sister chromatids. Sister chromatids of double stranded chromosomes are divided into several cells during cell division.
The two steps of meiosis are the division of sister chromatids into four haploid (n) gametes and the division of homologous pairs of double-stranded chromosomes.
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match each of the following characteristics to the lytic cycle, lysogenic cycle, or both.: Lytic Lysogenic Both the phage genome replicates with the host DNA the host DNA is degraded the phage genome enters the host cell the bacterial cell wall is broken open the bacterial genome contains the integrated phage genome
In the lytic cycle, viruses produce new copies of themselves inside a host cell before bursting outside the cell.
The viral genome is incorporated into the host cell's DNA during the lysogenic cycle, causing internal infection. In the lytic cycle, viruses produce new copies of themselves inside a host cell before bursting outside the cell.Bacteriophages insert their DNA, or genetic material, into bacterial cells both the lysogenic and lytic cycles, and then exploit the machinery of the cells to duplicate and spread. The viral genome is incorporated into the host cell's DNA during the lysogenic cycle, causing internal infection.The viral genome integrates into the host genome during the lysogenic cycle and continues there during replication till the lytic cycle is initiated.
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what is the cupula? multiple choice question. a gelatinous cap surrounding the stereocilia and kinocilium of the hair cells a mound of hair cells within the ampulla a patch of hair cells located on the wall of the saccule a dilated sac at one end of the semicircular canal
cupula (plural cupulas or cupulae) (plural cupulas or cupulae) a dome- or cup-shaped item. (anatomy) A movable component that senses head rotation in the semicircular canals of the ampullae of the ear.
All living things keep an eye on their surroundings, and gravity and how the body is positioned in relation to it are significant elements of that environment. Additionally, creatures that move through locomotion must be able to change their orientation in response to their own movements as well as external pressures. These crucial functions are carried out by the vestibular system. It activates a number of reflex pathways that are in charge of compensatory movements and postural adjustments. In order to provide perceptions of gravity and movement, it also activates neural pathways that lead to the cupula . The Chapter's first section begins with a description of the peripheral sensory apparatus and explains how specialized receptors transduce information.
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Which of the following distinguishes a possible effect of the efforts of international NGOs operating in the agricultural sector?
Responses:
greater need for American food exports internationally
less need for international aid programs
greater need for domestic private sector research programs
less need for plant scientists worldwide
The possible effects of the international NGOs is that there would be greater need for American food exports internationally. Option A.
What is an international NGO?An organization that operates independently of the government and broadens the definition of an NGO to include the entire world is known as an international non-governmental organization (INGO).
Numerous sizable international NGOs are transnational federations of national organizations, including Amnesty International, the International Federation of Red Cross and Red Crescent Societies, Oxfam International, CARE, Save the Children, and the World Wildlife Fund.
INGOs have a wide range of responsibilities, including agenda-setting, advocacy, lobbying, public education, social and economic development, and monitoring other international actors. These behaviors are categorized by some researchers as "identifying, framing, blaming, and shaming."
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Answer: less need for international aid programs
Explanation: I just did the assignment
what general pattern has been found in the relationship between genome size and an organism’s phenotype?
Genomes of prokaryotes are less extensive than those of eukaryotes. Because they have more genetic material, the majority of eukaryotes have larger genomes than other eukaryotes.
What is a genome, exactly?The entire genetic makeup of an organism is referred to as its "genome." It includes every genetic instruction found in a cell. The nucleus of the cell houses the chromosomes that make up the genome.
What are eukaryotes and prokaryotes?Organisms called eukaryotes have arranged nuclei in each of their cells. All animals, all plants, all fungi, and several single-celled organisms are considered to be eukaryotes. One of the three categories of life, the Eukaryota or Eukarya group of organisms, includes them. Prokaryotes lack a structured nucleus and genetic material. They consist of simple creatures like bacteria.
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The given question is incomplete
The complete question is:
what general pattern has been found in the relationship between genome size and an organism’s phenotype?
Animals have larger genomes than plantsBody size increases with genome sizeAll of the listed responses are correctEukaryotes have larger genomes than prokaryotesWhat test did you pick to distinguish your two organisms Enterobacter aerogenes and Serratia Fonticola?
To distinguish between the two species, the oxididase test was used. The oxidase test is critical for distinguishing between the Pseudomonadaceae (ox +) and Enterobacteriaceae (ox -) families,
To distinguish Serratia from Enterobacter, a quick test was required. Serratia creates the blue-green indigo hue in 5 minutes, whereas Enterobacter produces it in half an hour.
as well as for speciation and identification of many other bacteria that must use oxygen as the ultimate electron acceptor in aerobic respiration.
When the color turns to dark purple within 5 to 10 seconds, microorganisms are oxidase positive. When the color turns to purple within 60 to 90 seconds, microorganisms are delayed oxidase positive.
If the color does not change or it takes more than 2 minutes, the microorganism is oxidase negative.
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Which of the following is regulated by the gland indicated by the red arrow? O blood glucose concentration Oblood calcium concentration body's reaction to stress Oblood pressure Submit Previous Answers Request Answer
The gland indicated by red arrow is parathyroid galnd and is responsible for blood calcium concentration .
Two pairs of tiny, oval-shaped glands make up the parathyroid glands. They are situated in the neck close to the two lobes of the thyroid gland. Typically, each gland is roughly the size of a pea.
The production and release of PTH by the parathyroid glands maintains the homeostasis of serum calcium. PTH suppresses osteoblast activity and enhances osteoclast activity in the bone, which causes bone to break down and release calcium.
Four parathyroid glands, which are tiny glands in the neck beneath the thyroid, secrete the hormone parathyroid.
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is a 12-minute hand scrub enough time to remove all transient and resident microbes from the skin ?
The goal of the surgical hand scrub is to eliminate debris and transient bacteria from the hands, forearms, and nails while reducing resident microbes.
At what point in lab safety should hands be washed?Every time your hands have come into touch with potential risks, including before and after lab exercises, you should wash your hands.
Before beginning lab work, when should hands be washed?Fire extinguishers, emergency showers, and eye wash stations are only necessary in laboratories with a BSL of 3 or higher. What biosafety level is assigned to organisms that don't typically infect people with disease? To prevent personal contamination, hand washing should only be done once, right before labs.
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g which of the following antibiotics is recommended for use against gram-negative bacteria? a) polyenes b) bacitracin c) cephalosporin d) penicillin e) polymyxin
For usage against gram-negative bacteria, penicillin medicines are advised.
What antibiotic is used to treat both gram-positive and gram-negative bacteria?Broad-spectrum medications that work against both gram-positive and gram-negative pathogens include penicillin, tetracycline, and erythromycin. Klebsiella, Acinetobacter, Pseudomonas aeruginosa, and E are among the organisms that can cause gram-negative infections. E. coli and numerous more, less frequent germs
Which type of antibiotics is used to treat severe gram-negative infections as well as infections with Mycobacterium tuberculosis?The first aminoglycoside antibiotic, streptomycin, was first isolated from the bacteria Streptomyces griseus. It now primarily functions as a component of a multi-drug regimen used to treat pulmonary tuberculosis. It also has additional efficacy against a number of gram-negative aerobic bacteria.
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_______ run through the thalamus to the primary somatosensory cortex.
a.Chemoreceptors
b. Olfactory receptors
c. Thermoreceptors
According to the research, the correct answer is Option C. Thermoreceptors run through the thalamus to the primary somatosensory cortex.
What are Thermoreceptors?It is a receptor that is stimulated by temperature changes, found in the dermis, in its superficial portion, adjacent to the epidermis.
In this sense, they detect thermal stimuli where the temperature is regulated by the hypothalamus at the level of the central nervous system, this goes through the somatosensory system that produces the modality of the temperature stimulus.
Therefore, we can conclude that according to the research, Thermoreceptors act upon the sensation of heat and at times when the temperature has decreased and run up to the primary somatosensory cortex.
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neurotransmitter chemicals are released by .a) the presynaptic membraneb) cell bodiesc) schwann cellsd) axon hillocks
Neurotransmitters are endogenous—produced inside the neuron itself. When a cell is activated, these neurochemicals are released into the synapse from specialized pouches clustered near the cell membrane called synaptic vesicles. Hence, the answer is a) presynaptic membrane.
A neuron produces a chemical signaling substance called a neurotransmitter, which can affect another cell across a synaptic gap. Any important gland, target cell, muscle cell, or organ that receives the signal may also be a neuron.
In the synaptic cleft, neurotransmitters are released from synaptic vesicles and can interact with receptors on the target cell. The receptor to which the neurotransmitter binds determines its effect on the target cell. Numerous neurotransmitters are produced from straightforward, abundant precursors like amino acids, which are routinely converted in a restricted number of biosynthetic steps.
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9. In your own words, explain why giving the patient sterile water contributed to her death.
Answer:
Giving large amounts of pure water directly into a vein would cause your blood cells to become hypotonic, possibly leading to death.
Explanation:
what best explains the necessity for protein digesting enzymes to be secreted by the pancreas in their inactive form?
Inactive protein-digesting enzymes are released in order to shield the organs and glands from the enzymes' digestion.
They begin digesting the glands that contain them and the location where they are discharged if they are released in the active form. Inactive forms of enzymes are also secreted in order to control their appropriate operation. When necessary, it is activated after being first released in an inactive state and reaching the target organ.
An enzyme's inactive precursor is known as a zymogen or a protein enzyme. The precursor enzyme must have a certain portion cleaved in order for it to be activated; otherwise, the enzyme would always be inactive. The biochemical changes often take place in Golgi bodies. In the case of the pancreas, zymogens are secreted in part to stop the enzymes from breaking down proteins.
Hence, inactivated enzyme are activated by certain factor.
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In pea plants, purple flowers are dominant and white flowers are recessive. To purple flower pea plants are crossed and produce 10 offspring. Seven of the offspring have purple flowers and three of the offspring have white flowers. Based on the offspring produced, what must be the genotypes of the purple flower parent plants?
The genotype of the purple flower parent plants would be heterozygous
Monohybrid crossingLet us assume that the dominant purple allele is A while the recessive white allele is a.
Two purple flowers were crossed to produce 10 offspring out of which 7 had purple flowers and 3 had white flowers. In other words, there is no chance that the two parents are homozygous purple.
In order to have a chance of producing white flower offspring, both purple flower parents must be heterozygous, Aa.
Crossing Aa and Aa:
Aa x Aa
AA Aa Aa aa
Phenotype ratio = 3 purple flower: 1 white flower
Even though the produced phenotype ratio in real life is 7:3, this is probably due to the limited population of offspring produced.
In other words, the two parents are heterozygous.
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What can you tell me about Antarctica and the penguins that live there?
Answer: Antarctica is cold that's why penguins live there
Explanation:
Penguins cannot survive somewhere hot so Antarctica is the best place for them to be in.
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Joint movement when you twist head side to side:
Answer:
The atlantoaxial pivot joint provides side-to-side rotation of the head, while the proximal radioulnar articulation allows for rotation of the radius during pronation and supination of the forearm.
Explanation:
Rotation can be toward the midline of the body, which is referred to as medial rotation, or away from the midline of the body, which is referred to as lateral rotation. Movement of the head from side to side is an example of rotation.
natural selection alters the likelihood of an organism passing on its genes to subsequent generations. the evolutionary effects of natural selection are only apparent when looking at an entire population over time. select the reasons why evolutionary effects of natural selection are only apparent when looking at populations. selection changes the natural variance of phenotypes. during their lifetime, individuals become adapted to their environments. the accumulation of beneficial alleles requires multiple generations. phenotypes with an underlying genetic component are inherited. only beneficial traits are passed on to the next generation.
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Correctly label the following anatomical features of the coxal joint ransvelse ecetabular Iigameni Pubolemoral ligament Femur Ischlal luberosily Gieater trochantet Round gament otenoral Iduuen (d) Postarlor vlow
The connection between bones, ossicles, or other hard body parts that makes up an animal's skeletal system into a useful whole is known as a joint, sometimes known as an articulation (or articular surface). They are made to accommodate different sorts and gradations of movement.
The joint that joins the head of the femur to the pelvic acetabulum is the hip joint, also referred to as the acetabulofemoral joint (art. coxae). Its main job is to carry the body's weight in both static (like when you're standing) and dynamic (like when you're walking or running) postures.
By articulating the pelvis and femur, the hip joint connects the axial skeleton to the lower extremity. The os coxae, often known as the hip bone, develops from the By the conclusion of adolescence, the ilium, ischium, and pubis fuse to form the adult os coxae, or hip bone.
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___________ are where molten magma rises to just underneath the surface of Earth, creating a bulge or volcanic activity
Because of the high pressure inside the earth, molten magma rises to just beneath the earth's surface, creating a bulge or volcanic activity as the lava comes out of the earth.
What is the lava?When there is high pressure and temperature inside the earth, it is expelled in the form of lava. A volcanic eruption occurs, and the lava has a high temperature and can spread from the origin to several miles, depending upon the eruption.
Hence, because of the high pressure inside the earth, molten magma rises to just beneath the earth's surface, creating a bulge or volcanic activity as the lava comes out of the earth.
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dna structure quick lab 8.a1-a2 answer key
The DNA structure can be a twisted ladder. The image above shows what is referred to as this structure's double-helix shape. It is a nucleic acid, and nucleotides are the building blocks of all nucleic acids. Each nucleotide, which makes up a portion of the DNA molecule, is made up of three separate substances, including sugar, phosphate groups, and nitrogen bases.
Nucleotides, which consist of a sugar group, a phosphate group, and a nitrogen base, are the fundamental components of DNA. Each DNA strand is made up of nucleotides that are joined by the sugar and phosphate groups. There are four distinct categories of nitrogen bases: adenine (A), thymine (T), guanine (G), and cytosine (C). The pairings of these four nitrogenous bases are as follows: A with T and C with G. The DNA's double helix structure, which resembles a twisted ladder, depends on these base pairs. The genetic code or DNA's instructions are determined by the nitrogenous bases' order.
Sugar is one of the three structural elements of DNA that form the DNA molecule's backbone. Additionally known as deoxyribose. A ladder-like structure is created when the nitrogenous bases of the opposing strands establish hydrogen bonds. DNA backbone structure See in the figure.
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in guinea pigs, having black fur is a dominant trait. a student has a pet guinea pig with white fur. what can be concluded about the guinea pig?
One parent contributed a dominant gene for the guinea pig's black coat, and the other parent contributed a recessive gene for its white coat.
What is Gene?
The primary physical and functional unit of heredity is a gene. Some genes serve as blueprints for the synthesis of proteins. However, many genes no longer encode proteins.
Our genes contain instructions that tell your cells to produce proteins, or protein-like substances. Our bodies use proteins in a variety of ways to maintain health. Every gene contains instructions that define your traits, like your height, eye color, and hair color.
Few genes serve as instructions for constructing proteins. A few hundred DNA bases to more than 2 million bases make up a gene in a human.
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Peristalsis is characteristic of smooth muscle.
Yes, peristalsis is a contraction and relaxation of smooth muscle fibers in the walls of the digestive tract that helps push food and liquid through the body.
The Role of Smooth Muscle in PeristalsisPeristalsis is a vital process that helps us to digest our food. It is a wave-like motion of contraction and relaxation of smooth muscle fibers in the walls of the digestive tract. The process begins in the esophagus, where the muscles contract in a circular motion to move food downward.
As the food moves further down the digestive tract, the muscles relax and contract in a sequential pattern to push the food through the digestive system. The process is regulated by the autonomic nervous system, and it continues until the food has been digested and absorbed into the body. Peristalsis is an important process that helps us to stay healthy and nourished!
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if a segment of one side of a dna molecule has 500 adenine bases, how many thymine bases does the other side have? question 3 options: 0 you can't tell from this data. 250 500
The other side will have 500 thymine bases.
One of the four nucleotide bases of DNA, along with adenine (A), cytosine (C), and guanine, is thymine (T) (G). Thymine nucleotides on one strand of a double-stranded DNA molecule couple with adenine bases on the other strand. DNA and its information is encoded by the order of nucleotide bases.
Adenine (A), thymine (T), and cytosine (C), two nitrogen-containing bases, couple together in typical circumstances. By binding these pairs together, the structure of DNA is created.
Thymine is a pyrimidine nucleobase, also referred to as 5-methyluracil. Thymine is swapped out for the nucleobase uracil in RNA. Albrecht Kossel and Albert Neumann isolated thymine for the first time from calf thymus glands in 1893, hence its name.
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What is the chromosome composition of a normal human male? 44 autosomes; 1 X chromosome, and 1 Y chromosome 46 autosomes; 1 X chromosome; and 1 Ychromosome 22 autosomes and 2 Y chromosomes 44 autosomes and 2 Y FHronlasoinesh
A normal human male has 44 autosomes, 1 X chromosome and 1 Y chromosome.
What are chromosomes?
Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule. Each chromosome is constructed from DNA that has been tightly wound around proteins called histones numerous times to support its structure.When a cell is not dividing, chromosomes cannot be seen in the nucleus, not even under a microscope. However, during cell division, the DNA that makes up chromosomes gets more compactly packed and becomes visible under a microscope. The majority of what scientists understand about chromosomes comes from studying them during cell division.Normal chromosomes:
Humans typically have 46 chromosomes, or 23 pairs of them, in each cell. The appearance of twenty-two of these pairs, known as autosomes, is the same in both sexes. Males and females have different 23rd pair sex chromosomes. Males have one X and one Y chromosome, while females have two copies of the X chromosome.
Hence A normal human male has 44 autosomes, 1 X chromosome and 1 Y chromosome.
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what cytosolic protein gives the membrane of erythrocytes its flexibility?
spectrin cytosolic protein gives the membrane of erythrocytes its flexibility.
In red blood cells, what is spectrin?The primary element of the cellular membranes skeleton is spectrin.The first instance of it was found in erythrocytes, where it creates the filamentous network necessary for red blood cells to keep their elasticity and shape (Marchesi and Steers, 1968).
Spectrin deficiency: what is it?The most typical defect detected in HS is spectrin deficiency.Clinical manifestation, inheritance (dominant or recessive), and underlying genetic flaws are all varied.
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starting with the cecum and ending with the anus, name all parts of the large intestine in order. how does the large intestine convert liquid waste from the small intestine into solid waste to be stored then eliminated from the body?
Large intestine starts with cecum, then ascending colon, transverse colon, descending colon, sigmoid colon, rectum. Large intestine convert liquid waste into solid waste by absorbing water from it.
Large intestine continues with the small intestine through an ileocecal valve, then it moves upwards in abdomen which is called ascending colon, then it moves transversely in the abdomen which is called transverse colon then it moves downward which is called descending colon then it connects to rectum . Waste that reaches ascending colon will be in liquid form then waste will be converted to solid form as it moves through the Large intestine. Feces will be stored in rectum until it gets defecated.
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1.Explain the anatomical concepts associated with nutrition structural foundations.
2.Explain the physiological concepts associated with nutrition and metabolic functional foundations.
The macronutrients (carbohydrate, protein, and fat) and vitamins are among the organic nutrients. Carbon and hydrogen are both present in organic nutrients.
What forms the basis of a healthy diet?The basis for optimal health is eating a diet high in plant-based foods (whole grains, fruits, and vegetables), moderate amounts of lean meats and animal substitutes, and low-fat dairy, while avoiding meals high in added sugar, salt, saturated fat, and alcohol.
What three different structural shapes are there?Mass structures, frame structures, and shell structures are the three ways to arrange materials to support a weight or to contain and protect something.
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Articulates with hip bones of the pelvis?
The femur articulates with the hip bones of the pelvis.
When it comes to tetrapod animals, the femur, often known as the thigh bone, is the proximal bone of the hindlimb. The posterior section of the femur articulates with the tibia and patella to form the knee joint, while the top of the femur articulates with the acetabulum in the pelvis to produce the hip joint. Together, these three bones come together to form the knee joint. When compared to the other bones in the body, the femurs, both left and right, are considered to be the most robust. They are also the largest and most robust bones in humans.
The complete question is;
What bone articulates with the hip bones of the pelvis?
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a phylogenetic tree showing the relationships among ten phyla of bilaterian animals is shown below.
The members of the phylum are coelomates (C), pseudocoelomates (P), or acoelomates (A) hence the labeling is as follows A, P, C, C, C, C, P, C, C, C.
A phylogenetic tree is a branching diagram or a tree showing the evolutionary relationships among various biological species or other entities based on similarities and differences in their physical or genetic characteristics. All life on Earth is part of a single phylogenetic tree, indicating common ancestry. As dynamic hypotheses of genealogy and character change, phylogenetic trees can be used both to describe and understand character evolution and, as devices, to predict what we do not yet know.
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