The cell wouldn't be able to take up environment-derived bare DNA.
What would happen if a gene quizlet's promoter region had a mutation?Gene transcription can be changed by a mutation in the promoter region. Describe how this might occur. To raise or reduce the rate of transcription, mutated promoters change the binding location for transcription factors.
What might occur in the event that the DNA promoter sequence is altered?A change in the promoter region can affect how a gene is expressed. Describe how this might occur. The binding location for a transcription factor that typically binds to boost transcription can be altered by a mutation in the promoter region.
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in controlled experiment, what is the experimental group compared to ?
among american warblers, several different species often live in the same spruce trees and eat caterpillars. however, each species reproduces at a slightly different time of year and each species also forages at different areas within the tree canopy. these differences in foraging behaviors and reproduction is an example of competitive exclusion. character displacement. resource partitioning. mutualism. competitive inclusion.
A variety of American warbler species frequently coexist on the same spruce trees and feed on caterpillars. But each species has a somewhat varied reproductive season, and each species prefers various parts of the forest canopy to graze in. These differences in foraging behaviors and reproduction is an example of (b) character displacement.
Character displacement refers to an evolutionary shift that happens when two closely related species coexist in the same habitat. Natural selection is more likely to encourage divergence in an organism's morphology, ecology, behavior, or physiology under such circumstances.
Character displacement is a sort of coevolution that occurs when two or more competing species develop in reaction to one another. A group of coexisting finches, for instance, had drastically diverse body and beak proportions as well as beak morphologies in the Galapagos Islands.
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What was found in the trap of the miller–urey apparatus that supports a hypothesis for the beginning of early life?.
An amino acid was discovered in the trap of the Miller-Urey apparatus, supporting the idea that early life began there.
They discovered that the volcano-like experiment had generated the greatest amount of organic molecules, including 22 amino acids, 5 amines, and numerous hydroxylated molecules, which may have been made by hydroxyl radicals produced by the electrified steam.
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The muscle group that helps the prime movers and protects from unwanted movements are known as.
The muscle group that helps the prime movers and protects from unwanted movements are known as synergists.
Muscles are the mass of loose tissues that mediate the movement of the entire body as well as the internal organs. There are three types of muscles in human body: skeletal muscles, smooth muscles and cardiac muscles. The skeletal muscles are voluntary in nature while the smooth and cardiac muscles are involuntary.
Synergists are called as the fixator muscles. They perform their function on movable joints. They are also called neutralizers because the neutralize the functions of agonist muscles. For example, brachioradialis and brachialis act as the synergists when flexing of the forearm is done.
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In the fall, the leaves of some trees change color. This happens because chlorophyll breaks down and the accessory pigments become visible. What hormone is responsible for this?.
Some trees' leaves change colour in the fall. Because of the breakdown of chlorophyll, the auxiliary pigments are now visible. This is caused by ethylene hormone.
The multifunctional hormone ethylene is thought to control both growth and senescence. Depending on the concentration, timing, and species of the plant, it either promotes or inhibits the processes of growth and senescence. aids in identifying a flower's sex. In a male plant, it contributes to the development of female flowers.
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Look at the steps shown. Place them in order from beginning (top) to end (bottom).
The correct ordering of the steps in scientific research is given below:
Research questionHypothesisBackground researchControlled experimentData collectionData analysisConclusionWhat are the steps in scientific research?The steps in scientific research refer to the steps or procedures that are followed by scientists in making scientific discoveries that explain observed phenomena.
The steps in scientific research are as follows:
Research question - this is the question that a scientist seeks to answer based on his/her observationsHypothesis - statements made by scientists to explain their observationsBackground research - research is done to find support for or against the hypothesis.Controlled experiment - tests carried out to disprove or prove the hypothesisData collection Data analysisConclusionLearn more about scientific research at: https://brainly.com/question/17216882
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Which example best illustrates a method to show differences among Earth’s layers?
(A) Carson models how the continental crust varies in thickness.
(B) Marisol records atmospheric and oceanic temperatures at several beaches.
(C) Eliza analyzes seismic wave activity from an earthquake using a computer model.
(D) Oscar determines the pressure at different depths of Earth’s crust.
Answer: D, Oscar determines the pressure at different depths of Earth’s crust. :)
Which type of reproduction occurs when a single unicellular organism divides into two new, genetically identical cells?
A) selfing
B) sexual reproduction
C) asexual reproduction
D) conjugation
Answer: c. asexual reproduction
Answer:
C
Explanation:
in exact binary fission
in cats, short fur is dominant over long fur. if two cats that are both homozygous dominant for fur length are bred, which combination of offspring best represents the likely outcome of the cross?
The combination of offspring best represents the likely outcome of the cross of 23 black fur and 7 white fur.
Offspring resulting from mating between parents with different traits are called hybrids. The genotype of the offspring is the result of the combination of genes in the sex cells or gametes brought together at conception. One gamete of her was born from each parent.
The Punnett square is a table listing all possible outcomes of a genetic cross between two individuals with known genotypes. An organism that has two dominant alleles for a trait is said to have a homozygous dominant genotype. Using the eye color example this genotype is written as BB.
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What are two scientific questions you have that could clarify relationships about the dna or traits of these orchids?.
Two scientific questions that should be asked in order to elucidate relationships regarding the DNA or traits of the orchids are:-
Question No. 1: What generation do these orchids belong to?
Question No. 2: What is the role of DNA?
A scientific research is a systematic method to investigate and study a particular phenomenon. Scientists often question themselves regarding a specific topic so that they may get a better understanding of the data that is gathered by them.
These scientific questions are very important for the researcher and they help in guiding the researcher. Scientific questions may also help the researcher in establishing cause and effect relationships between distinct variables.
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Why does mainland europe have a wider variety of plant life than the british isles?.
Answer:
Climateon
Explanation:
The climateon the mainland of Europe is more diverse than that of the British Isles and supports a wider range of plant life.
individuals who have the pav version of the gene that codes for a specific receptor (t2r38) and can detect propylthiouracil (prop) at low concentrations are called:
TASTERS are people that have the pav variant of the gene that codes for a certain receptor (t2r38), which enables them to detect propylthiouracil (prop) at low quantities.
Several research have examined interindividual taste variability and its effects on dietary preferences, nutrition, and health using taste sensitivity to 6-n-propylthiouracil (PROP). For the automatic identification of the PROP taster categories of super taster, medium taster, and non-taster of 84 participants, we applied a supervised learning approach (aged 18–40 years).
The most significant characteristics were the ratings of perceived taste intensity for PROP paper disks (50 mM) and PROP solution (3.2 mM), together with fungiform papilla density.
High estimated values tended to favor ST prediction, whereas low values tended to favor NT prediction. Furthermore, TAS2R38 genotypes (AVI/AVI, PAV/PAV, and PAV/AVI to categorize NTs, STs, and MTs, respectively) were important features.
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why are there a total of six possible reading frames when searching a nucleotide sequence with an amino acid sequence?
A DNA strand has three different reading frames because DNA is translated into groups of three nucleotides (codons). There are six possible frame translations since the DNA molecule's double helix contains two anti-parallel strands with three reading frames each.
Can more than six open reading frames be found using the ORF finder for a given sequence?It displays six horizontal bars for each potential reading frame. Three alternative reading frames would exist for each orientation of the DNA. There would therefore be a total of 6 reading frames (6 horizontal bars) for every DNA sequence.
How many different reading frames can an RNA sequence contain?Given that the genetic code is double-stranded and that DNA is There are six different reading frames that can be based on triplets (3 consecutive bases). By breaking up the nucleotide sequence of DNA or RNA into a series of sequential, non-overlapping triplets, one can identify a reading frame.
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a bilateral symmetrical adult animal that has ecto, meso and endoderm derived tissues along with a notochord belongs to which phylum or subphylum?
Vertebrata: Subphylum of Chordata. Chordata is the final animal phylum. All of its members, known as chordates, have a head, a body cavity, and a digestive system.
Are notochords present in chordates?The notochord is the distinguishing feature of the chordates and plays crucial roles in the development of vertebrates. It acts as a major skeletal component of the growing embryo as well as a source of midline signals that design neighboring tissues.
What kinds of creatures have bilateral symmetry?The great majority of animals, including insects, fish, amphibians, reptiles, birds, mammals, and the majority of crustaceans, have bilateral symmetry.
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The phylum Chordata or subphylum vertebrata is made up of bilaterally symmetrical adult animals with ecto, meso, and endoderm derived tissues and a notochord.
what are chordates?
The phylum Chordata and the kingdom Animalia both have vertebrates as members. The four distinguishing characteristics of animals in the phylum Chordata are a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a postanal tail. These characteristics all arise at some point throughout animal development. Some of these are only present during embryonic development in certain groups.
Additionally, chordates have a segmented body, triploblastic, bilaterally symmetrical, and coelomic skeleton.
The body design is intricate and distinctive.
Organ systems are the level of organization found in the body.
The notochord, a flexible, rod-shaped structure present in all chordate embryos and in the adult stages of some chordate species, is the source of the name "Chordate," which refers to a group of organisms. It supports the skeleton along the entire length of the body and is situated between the digestive tract and the spinal cord.
The class Vertebrata includes all vertebrates. Vertebrates have all four of the chordates' defining qualities, but they also have derived traits that set them apart from invertebrate chordates. Vertebrata gets its name from the vertebral column, which is made up of distinct bones called vertebrae that are linked together to form the backbone. The notochord, which is only present in the embryonic stage, is replaced by the vertebral column in adult vertebrates.
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Need help on this question can anybody help me ?
The answer is G1 stands for Gap 1 phase
S stands for Synthesis phase
G2 stands for Gap 2 phase and
M stands for Mitosis phase.
What is interphase?
The eukaryotic cell cycle's interphase phase is the longest. The cell gathers resources, makes and utilizes proteins and other substances, and initiates cell division by reproducing its DNA during interphase. Three separate stages—Gap 1, Synthesis, and Gap 2—makeup Interphase.
G1 Phase- The cell physically expands, duplicates organelles, and produces the molecular building blocks it will require in subsequent processes.
Synthesis Phase-Inside of its nucleus, the cell creates a full duplicate of the DNA. A centrosome-like structure that organizes microtubules is also duplicated. DNA is separated during the M phase with the aid of the centrosomes.
G2 Phase-As it becomes bigger, produces more organelles and proteins, and gets closer to mitosis, the cell starts to rearrange its internal structure. Mitosis starts when G2, the growth phase ends.
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Why do twins Lucy & Maria look so different? Explain how Lucy and Maria truly are fraternal twins, yet look so different from one another.
-Use our model of Gamete Formation to support your explanation.
-How does the hereditable information get from the parents to the offspring?
In your own words: What is crossing over? Why do we do it?
Fraternal twins are twins or embryos, produced from two different egg and sperm, and genetically distinct.
According to this question, Lucy and Maria as seen in the above image are twins but they look so different. This is because they are products of the different sperms and egg cells. They only shared the same womb.
Crossing over refers to the exchange of DNA (genetic material) between paired homologous chromosomes (one from each parent) that occurs during the development of egg and sperm cells (meiosis).
Crossing over occurs during gamete formation so as to enable that genetic diversity occurs between species of an organism.
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given what you know about asexual and sexual reproduction, in three to five sentences, describe both types of reproduction:
Asexual reproduction only involves one organism, sexual reproduction requires both a male and a female organism.
What is Reproduction?Reproduction is the biological process by which new individual organisms called “offspring” are produced from already existing individuals known as “parents”.
Types of ReproductionAsexual reproduction - Asexual reproduction refers to the type of reproduction in which only a single organism gives rise to a new individual. It involves processes such as binary fission, budding, fragmentation, etc. The organisms that take part in asexual reproduction have no reproductive systems and therefore is no formation of male and female gametes.
Sexual reproduction - Sexual reproduction involves the fusion of male and female gametes in a process known as fertilization. Fertilization can be either external or internal. Sexual reproduction in plants takes place through pollination in which the pollen grains from the anther of a male flower transfer to the stigma of the female flower.
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Organism a is eukaryotic, unicellular, and lacks a cell wall. Organism b is eukaryotic, multicellular, has cell walls, and is autotrophic. In which kingdoms should these organisms be classified?.
Kingdom Plantae contains organisms that are autotrophs and have a cellulosic cell wall, whereas kingdom Animalia contains organisms that are Heterotrophs and lack a cell wall. C is the right response.
An organism that consumes other plants or animals for energy and nutrients is referred to as a heterotroph. The word comes from the Greek words hetero, which means "other," and trope, which means "nourishment." Based on how they obtain their energy and nutrients, organisms are divided into two general categories: heterotrophs and autotrophs. Because they can produce their own food from raw materials and energy, autotrophs are referred to as producers. Examples include trees, algae, and some bacterial species. Heterotrophs are referred to as consumers because they eat other consumers or producers. Heterotrophs include animals like dogs, birds, fish, and people.
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All of the following conditions are associated with a deficiency of vitamin D EXCEPT ______.
-beriberi
-osteoporosis
-osteomalacia
-rickets
Vitamin D insufficiency is not linked to beriberi. People with thiamin deficiency in humans develop the sickness.
What Is beriberi caused by vitamin D deficiency?Loss of bone density brought on by a vitamin D deficiency can increase the risk of fractures and osteoporosis. Other illnesses can also be brought on by severe vitamin D deficiency. It may lead to rickets in kids. The rare condition rickets makes bones brittle and susceptible to fracture.Thiamine pyrophosphate, the biologically active form of the vitamin thiamine (also spelled thiamin), or vitamin B-1, is what is needed to treat beriberi, also known as thiamine deficiency.A lack of vitamin B1, commonly known as thiamine deficiency, results in the illness beriberi. People who consume mostly white rice or other highly refined carbohydrates in their diets frequently develop it in developing nations.To Learn more About beriberi refer To:
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Check all that are true statements regarding the effects of the parasympathetic division. The lack of divergence in the preganglionic axons prevents the mass activation that is seen In the sympathetic division. The effects of the parasympathetic division tend to be widespread Parasympathetic activity can affect only one group of organs without affecting all other organs The parasympathetic division is most active when the body must process nutrients and conserve energy.
The correct answer is D,C,A :The parasympathetic nervous system regulates homeostasis and the body during rest.
It regulates involuntary activities such as digestion; the parasympathetic nervous system can impact one organ while not affecting others.
Your autonomic nervous system's parasympathetic nervous system balances your sympathetic nervous system. While your sympathetic nervous system is in charge of your body's "fight or flight" reaction,
your parasympathetic nervous system is in charge of your body's response when you are at rest.
When the body is calm, resting, or eating, the parasympathetic nervous system is in charge of relaxation and digesting. After a stressful incident, it basically undoes the job of sympathetic division.
The parasympathetic nervous system slows breathing and heart rate while increasing digestion.
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Full Question :
Check all that are true statements regarding the effects of the parasympathetic division.
A The lack of divergence in the preganglionic axons prevents the mass activation that is seen In the sympathetic division.
B The effects of the parasympathetic division tend to be widespread
C Parasympathetic activity can affect only one group of organs without affecting all other organs
D The parasympathetic division is most active when the body must process nutrients and conserve energy.
The arrows point to the genetic material in each type of cell. What is different about how it’s stored in each type of cell? Is it organized? Can it be found in one small area?
Answer:The nucleus
The nucleus (plural, nuclei) houses the cell's genetic material, or DNA, and is also the site of synthesis for ribosomes, the cellular machines that assemble proteins. Inside the nucleus, chromatin (DNA wrapped around proteins, described further below) is stored in a gel-like substance called nucleoplasm.
Explanation:These cells are different because they use the same set of genes differently. So even though each of our cells has the same 20,000 or so genes, each cell can select which ones it wants to “turn on” and which ones it wants to keep “turned off”.
Biologists study how nutrients and energy move among organisms and through water, soil, and air. Which level of ecological study is this?.
Answer:
Ecosystem Ecology
Would it be a female with a disorder as the karyotype?
Girls and women normally have two X chromosomes (46,XX karyotype), whereas boys and men typically have one X and one Y chromosome (46,XY karyotype ).
Which karyotypes are exemplified here?22 sets of autosomal chromosomes and one set of sex chromosomes make up the average human karyotype. Two X chromosomes are present in the most prevalent karyotypes for females, which are designated as sex XX. The X and Y chromosomes, which are referred to as XY in the case of males, are often present.
XXY syndrome can also affect women.There have been a small number of reports of 47,XXY individuals with a feminine phenotype. These people exhibit favorable SRY (testis-determining factor). This phenomenon's genetic cause is not fully understood. Case: A woman, 34, who had a 47,XXY karyotype and testicular feminization, appeared.
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The total range of energy which reaches the Earth from the sun is called the
a. Energy source
b. Light source
c. Solar radiation
d. Solar spectrum
The total range of energy that reaches the Earth from the sun is called solar radiation.
The electromagnetic radiation spectrum, which encompasses a broad range of energy, includes solar radiation, which is how the Sun's energy travels from the Sun to the Earth. Sunlight emits radiation in a variety of wavelengths, such as infrared, radio waves, X-rays, gamma rays, ultraviolet light, and visible light.
An all-encompassing term for the electromagnetic radiation that the sun emits is solar radiation, also known as sunlight or the solar resource. Numerous technological techniques can be used to absorb solar energy and convert it into usable forms of energy, like heat and electricity.
As a result of solar radiation heat, the earth's surface warms. Since the earth emits energy into space and the atmosphere, the average temperature of the planet does not change.
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Action potentials from receptors involved in general sensations are interpreted in the.
Action potentials from receptors involved in general sensations are interpreted in the Primary sensory cortex.
Primary sensory cortex is a part of the somatosensory system and it is located in the parietal lobe of the brain. The primary sensory cortex plays a crucial part in the processing of afferent somatosensory input. It also has a major role in integrating sensory as well as motor signals that are essential for skilled movement.
Through such a sensory route, the brain may distinguish between different visual stimulation because action potentials produced by sensory receptors flow along neurons that have been specifically tuned to just that input. Such neurons synapses with specific neurons inside the brain as well as spinal cord and are specialised to that specific stimulus..
The question is incomplete. The complete question is:-
Action potentials from receptors involved in general sensations are interpreted in the:
1) Premotor cortex,
2) Primary sensory cortex,
3) General interpretive area,
4) Mesencephalon.
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2 sole for x. Round your answer to the nearest tenth 9 15
This is an inconsistent equation
2(x+3)=9+2x
Distribute
2x+6 = 9+2x
Subtract 2x from each side
2x+6-2x =9+2x-2x
6=9
What is inconsistent equation?Consider the standard form of a linear equation in Slope-Intercept form: y = mx + b where
m is the slope
b is the y-intercept
A consistent system of equations is where the equations have different slopes OR the same slope and y-intercept. This results in the lines crossing so they have at least one solution.
An inconsistent system of equations is where the equations have the same slope but different y-intercepts. This results in parallel lines so they have no solutions.
Therefore, This is an inconsistent equation
2(x+3)=9+2x
Distribute
2x+6 = 9+2x
Subtract 2x from each side
2x+6-2x =9+2x-2x
6=9
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What mode of nutrition distinguishes animals from fungi, both of which are heterotrophs?.
Answer:
Fungi will absorb their nutrition through their exterior glands while animals consume their nutrition through ingesting other organisms.
HELP ME I CANT DO THIS RIGHT
1. The genotype ratio would be 1AA:1Aa while the phenotype ratio would be 100% brown.
2. The genotype ratio would be 1 Aa: 2 Aa: 1 aa while the phenotype ratio would be 75% white: 25% brown.
Monohybrid crossingFor the first cross, let us assume the color allele in the mouse is A. Since brown is dominant, it will be A, while the alternate color, tan, would be a.
The genotype of homozygous dominant brown mouse = AA
The genotype of heterozygous brown mouse = Aa
Crossing AA with Aa:
AA x Aa
AA Aa AA Aa
Genotype ratio = 1:1 AA to Aa
Phenotype ratio = 100% brown
For the second cross, let us assume that white is A and brown is a, Two heterozygous white were crossed:
Aa x Aa
AA Aa Aa aa
Genotype ratio = 1 Aa: 2 Aa: 1 aa
Phenotype ratio = 75% white: 25% brown
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During telephase, the
A. Nuclear membrane breaks down
B. Spindle fibers reappear
C. Chromosomes have reached opposite poles of the cell
D. Chromosomes replicate
Answer:
C. Chromosomes have reached opposite poles of the cell
Explanation:
Telophase is the phase of mitosis when the cell begins to split, forming nuclear membranes around each new set of chromosomes.
How could you use the steps for evaluating a player for a concussion in evaluating whether someone is concussed? Please I really need help on this <3
A baseline concussion test is often performed using a computer for evaluating a player whether someone is concussed.
What do you understand by concussion test?Testing for concussions measures your brain's recovery from a head injury. Questionnaires or symptom checklists are the main components of most concussion assessments. Concussion exams evaluate your mental agility, memory, focus, awareness, and ability to solve tasks. Your coordination and balance are also tested. One of the methods used to identify a concussion is concussion testing. Concussion tests are used by medical professionals, athletic trainers, and coaches to assess brain function before and after a head injury.
Thus from above conclusion we can say that a baseline concussion test is often performed using a computer for evaluating a player whether someone is concussed.
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