According to the research, the correct answer is that it helps to acquire divergent and adaptive evolutionary changes. It is advantageous for population to occupy different habitats since they live in different ecological environments which allows them to have divergent evolutionary changes and better adaptation.
What is a population?It is the set of organisms that is formed by a group of specimens of the same certain species that share a habitat.
In this sense, when these organisms of the same species occupy different habitats, it allows the development of new types of species that can survive with environmental variations and adapt to environmental conditions in a different way than the rest, generating divergent evolution.
Therefore, we can conclude that according to the research, a population is a set of individuals of the same species that when occupying different habitats adapt to a process of divergent evolution.
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Why will the microbiota in the vagina of a woman of reproductive age differ from that of the same woman before puberty and after menopause?.
The vagina stores a large amount of glycogen during the reproductive years, which Lactobacillus acidophilus ferments to produce lactic acid and an acidic environment. Before and after menopause, glycogen is missing.
What is the role of vaginal microbiota in female body?Women's health and reproduction depend heavily on the vaginal microbiome. From pre-puberty to the post-menopausal period of a woman's life, the vaginal microbiota is dynamic and influenced by hormonal changes.
The majority of recent research has stressed the significance of vaginal bacterial and fungal residents in disease and has mainly focused on these individuals. It is yet unclear how a healthy vaginal microbiota interacts with the host and has an impact on health. The definition of health may vary because vaginal dysbiosis may not always present any symptoms.
However, high vaginal lactobacilli abundance is most closely connected with health. In terms of the dominant vaginal bacteria, there is also a lot of variance between ethnic groups.
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I really need help on these questions
Answer:
Question 2:
Genotype — 1BB : 2Bb : 1bb
Phenotype — Three white rabbits : one brown rabbit
Question 3:
You got this one correct on your paper.
Question 4:
You Punnett square will look like this:
T t
T TT Tt
T TT Tt
Genotype — 2TT : 2Tt
Phenotype — Four tall plants. Could also be phrased as: "all tall plants".
Inability to taste PTC is single recessive gene. 70% can taste PTC while 30% cannot (are non-tasters). Estimate frequencies of the Taster (T) and nontaster (t) alleles in this population as well as the frequencies of the diploid genotypes
The frequency of tasters and non-tasters are 0.4523 and 0.5477 respectively. The frequencies of diploid genotypes is as follows:
TT= 0.2045Tt= 0.4956tt= 0.2999Frequency of phenotypes can be calculated by the formula p + q = 1.
Here, let non-tasters(t) be q, then q²= 0.3 (from 30%) .
therefore = [tex]\sqrt{0.3}[/tex] = 0.5477
Let tasters(T) be p, therefore p = 1 - q = 1 - 0.5477 = 0.4523.
Now, the diploid genotypes can be calculated according to the formula:
(p + q)² = p² + 2pq + q²
TT (p²) = (0.4523)² = 0.2045Tt (2pq) = 2 (0.4523) (0.5477) = 0.4956tt (q²) = (0.5477)² = 0.2999To know more about diploid genotypes, here
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When light strikes chlorophyll molecules, they use the energy to do what?
fixing carbon
oxidize glucose
split water into hydrogen and oxygen
break down ATP
The light strikes chlorophyll molecules they use the energy to do fixing carbon. Option A.
When light hits the chlorophyll in the chloroplast it excites electrons in that molecule. These electrons jump to higher energy levels that they have absorbed or captured and carry that energy. In light-dependent reactions that occur in thylakoid membranes, chlorophyll captures energy from sunlight and converts it to chemical energy using water.
Light-dependent reactions release oxygen as a by-product when water is broken down. Photosynthetic energy fixation reactions begin when light is absorbed by photosystem II of the thylakoid membrane. Sunlight energy trapped in the reaction center of P680 causes electrons from the chlorophyll of P680 to move to higher unstable energy levels. The electrons in the chlorophyll molecule are activated.
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Draw and explain how heat is different from temperature
Which region of the neural tube does not subdivide during the formation of the five secondary vesicles?.
The cerebral aqueduct's lumen eventually develops from the mesencephalon's lumen, which does not divide.
The neural tube vesicles give rise to which five major divisions of the brain?The five secondary brain vesicles that are produced as the three primary vesicles mature are the telencephalon, diencephalon, mesencephalon, and myelencephalon. The adult nervous system's many components are developed from each secondary vesicle.
Which primary vesicle doesn't split up into a number of secondary vesicles?A group of five secondary brain vesicles is formed by the division of the three main vesicles. The telencephalon/diencephalon and metencephalon/myelencephalon are the divisions of the forebrain (prosencephalon) and hindbrain (rhombencephalon), respectively, while the midbrain (mesencephalon) is left undivided.
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When you test starch with Barfoed’s reagent, what would be the answer, positive or negative?
Explain your answer by giving reasons and structures.
When starch is tested with Barfoed's reagent. it will give a negative result because Barfoed's reagent is used to detect monosaccharides. As starch is a polysaccharide it cannot be detected by this reagent.
What is Barfoed's reagent?
This reagent consists of a 0.33 molar solution of copper acetate in a 1% acetic acid solution. It is used to detect monosaccharides based on the reduction of copper acetate to copper oxide which forms a black-red precipitate.
Procedure:
One ml of a sample solution is placed in the test tube.Three ml of Barfoed's reagent (a solution of cupric acetate and acetic acid) is added.The solution is then heated in a boiling water bath for three minutes.Reducing monosaccharides are easily oxidized by the copper ion in the solution to form a carboxylic acid and a reddish precipitate of copper (I) oxide within three minutes. Reducing disaccharides undergo the same reaction, but at a slower rate.
Disaccharide sugars are weaker reducing agents when compared to monosaccharides. This is the reason for the negative result of starch with Barfoed's reagent.
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Considering that they require an oxygen-free environment, how do obligate anaerobes survive in the human body?.
Obligate anaerobes survive in the human body by staying in the places where aerobic organisms quickly use the available oxygen.
What are obligate anaerobes and how do they survive in the human body?Obligate anaerobes are the kind of anaerobes that dies out of oxygen concentration of atmosphere.Obligate anaerobes requires an environment containing absolutely no oxygen to survive.They survive in human body because they live in the area where the aerobic organisms quickly use or consume the oxygen.They also have special ability of using the enzyme in order to convert oxygen to harmless molecules.So knowing they fact that they are anaerobes and requires oxygen free environment to survive they survive in human body.In human body they uses their special abilities either to survive or stay in the areas where active aerobic organism quickly consume the oxygen.To know more about anaerobes visit:
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why is cell speacialization important to an organism?
A) cell specialization allows cells to be seen under a microscope.
B) Cell specialization allows each type of to preform a different function for their body.
C) cell specialization allows cells to continue to grow bigger.
D) Cell specialization allows organisms to reproduce.
Answer:
b
Explanation:
because orgnism are cells working together to perform specific function
In a phylogenetic tree, a lineage that diverges from all other members of its group early in the evolutionary history of the group is described as.
The evolutionary history of the group is described as basal taxon.
What is basal taxon?A lineage represented by a phylogenetic tree that develops early from the root and from which no other branches diverged.
Phylogenetic tree can be explained as:
Lineages that develop early from the root and are unbranched are called basal taxa.For example, if the branch point is rotated and the order of the taxa is changed, the information remains unchanged, since each taxon's evolution from the branch point is independent of each other.Early developed and unbranched lineages are the basal taxa.In a phylogenetic tree the branch point in the tree (often drawn on the far left) represents the most recent common ancestor of all taxa in the tree. The lineages that distinguish themselves from all other members of the group early in the history of the group are called basal taxa.
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If depression was caused specifically and only by low serotonin levels, what results would you expect to see for a group of patients with depression who have just been prescribed SSRI's?
Researchers have located no clear proof that serotonin levels or pastimes motivate melancholy, consistent with an assessment of previous research posted in Molecular Psychiatry.
Serotonin is a chemical that contains messages among nerve cells within the brain and at some stage in your frame. Serotonin plays a key function in such frame features as temper, sleep, digestion, nausea, wound recuperation, bone health, and blood clotting.
A great deal stays unknown approximately serotonin and the way it works. however, specialists have related low serotonin interest with a variety of psychiatric troubles, which include depression.
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Select the correct answer.
Genetic engineering alters which of the following?
O A. DNA
О в. viruses
O C. reproductive systems
O D.neurological systems
Answer:
A. DNA
Explanation:
The term "genetic" come form genes and our genes are DNA.
I hope his helped!!
I need all of these questions plssss!!
The given graph is used to find the distance from an area experiencing an earthquake to the epicenter of the earthquake. Epicenter is the location from where the actual earthquake occurred.
What is Earthquake?
Earthquake is the natural disaster which is caused by the movement of the tectonic plates which are present on Earth.
The epicenter or epicentrum in seismology is the location on the Earth's surface which is directly above a hypocenter or focus, it is the point from where an earthquake originates.
P-waves moves faster than the S-waves and are the first to arrive from the Earthquake.
The difference in travel time between the two waves at 3,000 kilometers from the epicenter is 5 minutes. P-wave requires 5 minutes to cover 3,000 kilometers whereas S-wave requires 10 minutes to cover the same distance i.e., 3,000 kilometers.
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All transformations of energy involve
1 a change in height
2 the use of sunlight
3. the organization of atoms
4. the movement of electrons
All transformations of energy involve the movement of electrons.
There are many various types of energy, including thermal, electrical, nuclear, electromagnetic, mechanical, chemical, and acoustic energy. However, when energy transforms from one form to another , the phrase "energy transformation" is used.
What about energy?Energy is the ability to do tasks.It can exist in several forms, including potential, kinetic, thermal, electrical, chemical, and nuclear.Energy may tackle a variety of shapes.Examples of these include: electrical energy, sound energy, energy , nuclear or nuclear energy , light energy, heat , energy , gravitational energy, and so on.Each form has the power to shift or transform into the others.The term "energy" was initially utilized in the realm of physics by Thomas Young (1773–1829), but it didn't catch on.Thomas Young later used interference experiments to prove that light is a wave.Human power is the effort or energy created by a human being.It may also be used to describe a human's power (pace of labor per time).Because it's a fundamental human requirement, energy plays a big role in our everyday lives.Our human-made structures aren't only heated by energy, but also cooled by it.To lift your finger, get out of bed, or maybe stroll down the street, you would like energy.Learn more about energy here:
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According to the direction of the arrow, place the images into the correct order to represent the activation of a T cell.
According to the image the correct order of figures as per the steps is the starting to the ending step. 2,4,3 and 1 is the order of the image that is being presented in the picture.
What does the T stand for in T cell ?T stands for thymus in T cell.
T cell activation is a key event in the adaptive immune response and vital to the generation of both cellular and humoral immunity.
Primary T cell activation is involving the integration of three distinct signals delivered in sequence:
Anti- gen recognition
Costimulation
Cytokine- mediated differentiation and expansion.
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A cell's nucleus contains ____which has instructions for the cell to function.
The alternate forms of a gene (flavors, often given either a capital or lowercase letter
as a symbol) are referred to as
---------------.
Alleles are the different variations of a gene.
Alleles are paired genes that come from our biological father and mother, respectively. Every gene we possess has two copies.
They may be the same, yet they can often have minute distinctions. Alleles consequently comprise all the different gene variants. This contrast of likenesses and dissimilarities may have significant repercussions on our bodies.
Alleles determine considerably more than simply physical characteristics. These intricate relationships also affect our susceptibility to contracting certain illnesses, how we respond to drugs, and even whether we acquire allergies to specific substances. The allele pairings in our DNA determine our genotype, often known as our genetic makeup. How we appear and live on a daily basis is determined in part by this complex genetic tapestry, which includes dominant and recessive genes.
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please answer, or otherwise, I'm gonna get zero
List four biotic elements in the pond shown below.
b) List four abiotic elements in the pond.
Answer: A.) Geese, plants, bacteria in the water, and fish
b.) water, soil, mud, and sunlight
Explanation:
Biotic elements are living organisms like animals abiotic is something that makes up the environment.
Individuals with the disorder xeroderma pigmentosum are hypersensitive to sunlight. This occurs because their cells have which impaired ability?.
Their cells are unable to repair thymine dimers, which is why this happens.
What genetic flaws cause the human condition xeroderma pigmentosum XP?Xeroderma pigmentosum has been linked to inherited mutations in at least eight genes. Mutations in the XPC, ERCC2, or POLH genes account for more than half of all cases in the US. A lesser proportion of cases are often caused by mutations in the other genes.
What distinguishes the DNA replication's leading strand from the lagging strand?In a replication fork formed by the split DNA strands, the leading and lagging strands are formed by the replication of both DNA strands. The main distinction between a lagging and leading strand is that the latter forms brief fragments of replication while the former does not.
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Identify the appropriate negative control the researchers most likely used when measuring the reaction rate in the presence of each organism’s enolase.
Chloroflexus aurantiacus bacteria are most commonly utilized as the negative control group when determining the response rate in the presence of each organism's enolase.
Enolase is what kind of an enzyme?Enolase (EC 4.2.1.11) is a cytosolic metalloenzyme that catalyzes the second-to-last step of glycolysis, the transformation of 2-phosphoglycerate into phosphoenolpyruvate.
What element serves as the building block for the large molecules present in living things?Carbon exists in some form in everything that is alive. The main element of macromolecules, such as proteins, lipids, nucleic acids, and carbohydrates, is carbon. Due to its molecular structure, carbon can form many different types of bonds with numerous different elements.
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Recall that alleles of a single gene will segregate from one another during anaphase i. When do alleles for two different genes—located in two different chromosomes—segregate?.
Alleles for two different genes located in two different chromosomes segregate at anaphase I
What is meiosis?Meiosis is the process by which one cell divides twice to produce four cells containing half the original amount of chromosomes. These cells are sex cells: the sperm in males and the egg in females.
Meiosis can be divided into nine stages divided between the first cell division (meiosis I) and the second cell division (meiosis II).
Meiosis I:
Interphase:Prophase IMetaphase IAnaphase ITelophase I and cytokinesisMeiosis II:
Prophase IIMetaphase IIAnaphase IITelophase II and cytokinesisTo know more about meiosis visit:
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When a trait is x-linked, a single recessive allele is sufficient for a male to be affected. Why?.
A guy can be influenced by an X-linked characteristic with just one recessive gene (because the male is hemizygous – he only has one allele of an X-linked trait).
Why do X-linked illnesses only affect men?Males tend to develop X-linked recessive illnesses more frequently. One X chromosome is all that males have. On that X chromosome, the condition is caused by a single recessive gene. The second XY gene pair in a male is located on the Y chromosome.
Why do males exhibit X-linked dominant more frequently?To cause the disorder in females (who have two X chromosomes), a variant would need to exist in both copies of the gene. Males have two mutated copies of this gene because it is improbable that females will are substantially more commonly than females affected by X-linked recessive diseases.
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a group of related plant species or animal species.
Answer:
genus!
Explanation:
it's in the definition- the genus is made up of related species!
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In the video about the construction of the insect phylogeny, the researchers faced the problem that there was not enough computational power in all of the world to construct every possible tree. What was the researchers’ solution?.
So the probable solution for this problem will be Use math to avoid constructing improbable trees
Computational phylogenetics refers to the application of computer tools, techniques, and programmes to phylogenetic study. A phylogenetic tree representing a theory about the evolutionary history of a group of genes, a species, or other taxa is being constructed. To build every conceivable tree in the globe would have required more computing power than was available. The anthropomorphic or improbable trees are those in which we truly perceive human or animal forms, as if they were entrapped within the tree form. And when we do, the once-familiar tree transforms into something astonishing, unusual, unbelievable, and revered because it is the illustration of how enigmatic forces can confine live things inside wood. Trees are likened to people. They are similar to us in that they have a body (the trunk), arms (the branches), feet (the roots), a blood supply (the sap), and thinning hair (their leaves).
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why is it important to have a pure culture when setting up biochemical tests for identification purposes?
It is important to have a pure culture when setting up biochemical tests for identification purposes because cross-reaction between the target organism (e.g. bacteria) and the substance for example an enzyme alters the identification of the agent in the media.
What is cross-reaction in a biochemical test?The term cross-reaction in a biochemical test makes reference to the presence in the medium of substances that may react with the target microorganism and thus alter the ability to detect it
Therefore, with this data, we can see that cross-reaction in a biochemical test can hamper the detection of the microorganism.
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Please help with this assignment
Which section of the small intestine uses bile and pancreatic juices to break down chyme?.
Digestive enzymes found in pancreatic fluid or juice travel to the small intestine where they aid in further dissolving the lipids (fats), proteins, and carbohydrates in the chyme.
Enzymes from the pancreas and bile from the liver are added to the chyme in the duodenum, this C-shaped initial section. The coiled middle section, known as the jejunum, further digests the chyme and assimilates nutrients.The gall bladder stores bile juice, which is ultimately transported through the bile duct to the duodenum of the small intestine.Bile from the liver, which is typically kept in the gall bladder, enters the small intestine through the duodenal sector.To know more about Digestive enzymes
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Select the correct answer from each drop-down menu.
Alex is writing an article on the difference between the continental and oceanic crust. Help him complete the sentences.
The continental crust is thicker than the oceanic crust. However, the oceanic crust is
_____ than the continental crust.
A. Denser
B. Warmer
C. Lighter
Also, the oceanic crust consists mostly of _____Therefore, is darker in color than the continental crust.
A. Granite
B. Silicate
C.) Basalt
The oceanic crust is denser than the continental crust.
Also, the oceanic crust consists mostly of basalt.
What is the oceanic crust made of?
The topmost layer of the tectonic plates' oceanic part is called the oceanic crust. It is made up of two oceanic crusts: the upper crust, which contains pillow lavas, and the bottom crust, which is made up of troctolite, and ultramafic cumulates. The crust sits on top of the hard mantle's topmost layer.
Dark-colored rocks named basalt and gabbro make up the majority of the marine crust. It is lighter-colored rocks called andesite and granite that make up the continental crust, which is thinner and denser. Because of its low density, continental crust "floats" high above the viscous mantle, generating dry land. It develops as magma rises to fill the space between divergent tectonic plates and is consumed in subduction zones.
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What are the two types (directions) of long bone growth?
Answer:
Explanation:
Based on the development of bone formation can be divided into two parts, called endochondral and intramembranous bone formation/ossification [1, 2, 3, 8].
Which statements accurately describe how fructose metabolism in the liver differs from glucose metabolism?
a.The presence of fructose inhibits the entrance of glucose into glycolysis.
b.Two products of the fructose 1-phosphate pathway can enter glycolysis.
c.The fructose 1-phosphate pathway can deplete intracellular phosphate/ATP.
d.Fructose enters a separate metabolic pathway from glucose, which enters the glycolytic pathway.
Two products of the fructose 1-phosphate pathway can enter glycolysis statements and the fructose 1-phosphate pathway can deplete intracellular phosphate/ATP accurately describe how fructose metabolism in the liver differs from glucose metabolism (Options b and c).
What is the glycolysis metabolic pathway?The glycolysis metabolic pathway refers to the first step of cellular respiration which uses simple carbs in order to generate energy in the form of ATP.
Therefore, with this data, we can see that the glycolysis metabolic pathway is associated with the usage of simple carbs to generate energy.
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