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The proportion of dominating people in the following population is (1+4)%, or 5%.

The Hardy-Weinberg rule states that in the absence of evolutionary driving forces, allele and genotype frequencies in a population remain constant.

It claims that the binomial expansion of the square of the sum of p and q can be used to describe the total genotype frequencies.

The following sum equals one: (p+q) ²= p²+ 2pq + q².

In this instance, "p" represents the frequency of the dominant allele, and "q," that of the recessive allele. The expression "2pq" represents the population's frequency of heterozygotes.

The frequency of the dominant allele is given by p+q=1, while the frequency of the recessive allele is given by q = 0.9 for a certain hereditary trait. Consequently,

p=1-q

P=1-0.9 = 0.1

p²= (0.1) =0.01 or 1% of the population has a homozygous dominant genotype.

The percentage of heterozygous dominant genotypes in the population as a whole is 4% (PQ)² = 2 X 0.1 X 0.2 ".

∴ (1+4)%

=5%.

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The statement "animals that do not maintain a constant body temperature" is correct, they are the organisms that do not use NADH to feed electrons into mitochondrial electron transport chains.

Animals that do not keep a constant body temperature do not need NADH and do not consume NADH during respiration, as NADH is needed for maintaining a constant body temperature and is thus required by the organism.

The second method uses the respiration process used by bacteria and archaea, which uses NADH. The eukaryotic algae in the third option employ NADH in respiration since eukaryotes often do so. In the fourth option, animals must use NADH for respiration in order to keep their body temperatures constant.

If NADH is not available, oxidative phosphorylation reactions uncouple, which maintains the body temperature. This type of reaction is seen in animals that are hibernating as well as in newborn animals and people.

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Answer:

Explanation:

Biotic factors are living or once-living organisms in the ecosystem. These are

obtained from the biosphere and are capable of reproduction. Examples of

Biotic factors are animals, birds, plants, fungi, and other similar organisms.

Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals.

Examples: All living things — autotrophs and heterotrophs — plants, animals, fungi, bacteria.

Living things that directly or indirectly affect organisms in

environment; organisms, interactions, waste; parasitism, and disease.

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A conclusion's purpose is to forecast how something will turn out.

So here correct answer is Option A) To predict how something will turn out.

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RNase H activity of the polymerase is responsible for degrading the pre-genomic rna during hepatitis b dna replication.

DNA polymerases' major function is to efficiently and properly replicate the genome in order to maintain the genetic code and ensure that it is faithfully passed down through the generations.

A double-stranded DNA molecule is duplicated into two identical DNA molecules during the process of DNA replication, which is carried out by DNA polymerase. With the help of the polymerase chain reaction, generally known as PCR, scientists have been able to duplicate DNA molecules in test tubes.

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Answer:

chemicals bonds

Explanation:

the more bonds, the more energy released!

Explanation:

The compound is found to be composed of 75% carbon and 25% hydrogen.

100 g of the compound contains 75 g of carbon and 25 g of hydrogen.

The atomic masses of carbon and hydrogen are 12 g/mol and 1 g/mol respectively.

The number of moles of C =

12 g/mol

75 g

= 6.25 moles

The number of moles of H =

1 g/mol

25 g

= 25 moles

The mole ratio C:H=6.25:25=1:4

The empirical formula of the compound is CH

4

.

Answer:

Explanation:

there are more trials, that contain solid results, rather than a 1 time, so bee(I can't type the letter by itself for some reason)

The original sample is 2 ml. So after dilution it is 0.2 ml.

An object that dissolves in a solvent is referred to as a solute. A solvent is something that allows a solute to dissolve and form a solution.

Typically, a liquid is a solvent, while a solid is a solute. Solutions are uniformly constituted or homogenous mixtures.

When compared to a diluted solution, a concentrated solution has a substantial amount of solute dissolved into it. A diluent is something we employ to thin out a solution. A serial dilution is a different kind of dilution. When we continually diluted a stock, we experienced the second sort of dilution.

Therefore, The original sample is 2 ml. So after dilution it is 0.2 ml.

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We know when we are moving up and down in an elevator because of the movement of tiny crystals in the otolith organs.

The sacculus and the utricle are the two otolith organs present in humans. These organs are responsible for sensing of gravity and also help in linear motions.

There are tiny crystals present in the otolith organs that help in linear motons or detecting when we are moving up or down. These crystals are termed as otoconia and are primarily made up of calcium carbonate.

These otoconia are responsible for detecting vertical movements and are present in the ear.

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The water that is not absorbed into the ground, including the larger body of water, is surface water and is denoted as option D.

This is referred to as the body of water which is present on a terrestrial surface such as land etc.

Examples of surface water include rivers, oceans etc and they comprise of the water that is not absorbed into the ground to form what is known as ground water due to different types of factors and parameters which is therefore the reason why option D was chosen as the most appropriate choice.

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The bigger body of water, as well as the water that is not absorbed into the earth, is considered surface water. Thus, option D is correct.

Rainfall is the principal source of surface water. It is a mixture of groundwater and surface runoff.

Groundwater and surface water are intimately related. Through the pores and fissures in the soil, sand, and rocks, some surface water seeps deep into the ground.

Runoff is the term for the surface water that results from precipitation and melted snow.

Therefore, The water that is not absorbed into the ground, including the larger body of water, is surface water.

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Taxonomy is a system of classification used in science specially to the classification of living organisms. Threfore, the taxonomy grew as a science there is none of the above as a way to help it grow as a science, being the correct alternative the D.

The correct order of the steps of Calvin cycle are:

6. CO2 is attached to RuBP, a 5 carbon molecule.

1. The enzyme used in this step is called Rubisco and the resultant is an unstable 6 carbon molecule that instantly splits into two three carbon molecules known as 3-phosphoglycerate.

3. NADPH and ATP are used to in CO2 reduction where 3PG is reduced to form G3P.

2. ADP and NADP+ come back to the thylakoids to be converted back to ATP and NADPH by the light-dependent reactions.

5. ATP is used to combine the remaining G3P molecules to form RuBP molecules.

4. The cycle turns 6 times to form a glucose molecule.

Calvin cycle is an important part of the light-independent reaction. It is involved in the synthesis of glucose molecules.

Rubisco stands for Ribulose-1,5-bisphosphate carboxylase-oxygenase. It is the most abundant enzyme present in the Earth.

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Answer:

Explanation:

Gregor Mendel

(Pearson's correlation )interpreted a very high significant (P < 0.001) relation between the length of the ulna and the height. The regression equation was derived to estimate the height of an individual from the length of the ulna in males and females.

The kind of mathematical relationship that seems to exist between the length of the ulna and the height of an individual is Pearson's correlation.

The Pearson correlation coefficient (r) is the most commonly used metric for determining a linear relationship. It is a number ranging from -1 to 1 that indicates the strength and direction of a link between two variables. When one variable shifts, the other shifts in the same way.

Pearson's correlation revealed a highly significant relationship between ulna length and height. The regression equation was developed to estimate an individual's height from the length of the ulna in males and females.

Therefore, the mathematical relationship that exists is Pearson's correlation.

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The estimated concentration of bacteria per mL in the wastewater if she puts a 0.5 ml sample of the wastewater on a microscope slide and counts 39 bacteria is 78 counts per mL.

The solution to this problem is as simple as 39/0.5 because if you have x amounts of y/2 overall, you will have x amounts in y. (just multiplying both sides by 2, no distributions involved). For a clearer understanding see the solution below:

Let X represent the number of bacteria observed in 0.5 mL.

Let A represent the true concentration in bacteria per mL.

The X ~ Poisson(0.5A)

The observed valus of X is 39.

The estimated concentration is {A}  = 39 / 0.5 = 78

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The origin of replication is a site within a chromosome that serves as the starting point for DNA synthesis.

This provides an opening called a replication fork those forms two DNA.

DNA union begins at a particular put on a chromosome called a root. Within the begin-with instrument, one girl strand is started at the beginning on one parental strand and the moment is started at another root on the inverse parental strand.

In this way, as where one strand develops from each root. A few infections utilize this sort of component.

DNA replication may be a handle that happens amid cellular division where two indistinguishable particles of DNA are made from a single atom of DNA.

As a semiconservative prepare, a single particle containing two strands of DNA in a twofold helix arrangement is isolated, where each strand serves as a layout for the modern DNA particles.

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Humans have specialized cells in the body. Each cell type performs a unique function. Humans have different type of cells with different structures and functions.

All the cells in a human's body contain the same DNA. However, the human body is composed of many different types of cells. Because of gene regulation, each cell type possess a different set of active genes although all the cells of the body contain the same DNA.

Answer - different cell types all have the same genes but have different genes active.

Gravity stretches the bottom of the lung down toward the floor more than the top of the lung while someone is standing. Increased ventilation occurs further down in the lung as a result of the concentration gradient.

The diaphragm, a skeletal muscle that aids in breathing, protects the bottom of the lungs. Breathing necessitates the synchronization of the lungs, the chest wall, and, most crucially, the diaphragm.

The mechanics of breathing are controlled by the structure of the lungs and the thoracic cavity. During inspiration, the diaphragm contracts and descends. The intercostal muscles contract and expand the chest wall outward. The intrapleural pressure lowers, the lungs expand, and the air is pulled into the airways.

The left lobe is also smaller to create room for the heart. The left and right lungs are suspended by the lung root and separated by a mediastinum, which acts as a membrane divider between the two. Each lung has three surfaces, each called after its position in the thorax.

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Answer:

Proteins, carbohydrates and lipids are made from three basic molecules: carbon, hydrogen and oxygen. However, all proteins contain an element not found in carbohydrates and lipids is nitrogen.

Explanation:

Mitochondrial DNA can be traced for generations  best describes mitochondrial DNA (mtDNA).

Mitochondrial DNA is the circular chromosome found inside the cellular organelles called mitochondria. Located in the cytoplasm, mitochondria are the site of the cell's energy production and other metabolic functions. Offspring inherit mitochondria and as a result mitochondrial DNA from their mother.

The mitochondrial genome is circular, whereas the nuclear genome is linear. The mitochondrial genome is built of 16,569 DNA base pairs, whereas the nuclear genome is made of 3.3 billion DNA base pairs. Unlike the DNA inside the nucleus, it is not a mixture of our parent's DNA, and each person's mtDNA is nearly identical to his or her mother's mtDNA.

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Natural selection is the process in which the population with the best adaptation is favorable. It is usually associated with the phrase "survival of the fittest".

The ambient temperature affect the rate of cooling of a body after death occurs depends on the temperature differential between the body and the environment.

Once vital functions cease, the body cools at an average of 1°C to 1.5°C per hour. Considering that the average temperature of a human being is between 36 °C and 37 °C, the corpse reaches the ambient temperature in 24 hours at most.

The higher the ambient temperature, the more important the evaporative heat loss will be. In fact, when ambient temperature is higher than body temperature, the only way to lose heat is through evaporation. Human beings lose heat through sweating.

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Terms used to describe factors (or sets of factors) that limit population size include, density-dependent and independent limiting factors, extrinsic and intrinsic limiting factors. So option (d) all of the above is correct.

Limiting elements in the natural environment, such as access to food, water, shelter, and space, can alter animal and plant populations. Populations may also be affected by other limiting factors like as competition for resources, predatory behavior, and sickness.

A population's per capita growth rate changes—typically declines—with rising population density due to density-dependent limiting constraints. One illustration is how individuals of a group compete for scarce food.Independent of population density, certain factors affect per capita growth rate. Natural catastrophes like forest fires are examples.

Diverse limiting variables can interact in intricate ways to produce different patterns of population expansion. Some populations exhibit cyclical oscillations, where the population size varies cycle by cycle in a predictable manner.

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A genomic library is a collection of DNA fragments from all the chromosomes. Option A.

A genomic library is a collection of overlapping segments of genomic DNA cloned into backbone vectors that statistically span all regions of an organism's genome. The resulting cloned DNA is then transformed into a suitable host cell line. A genomic library is a collection of all genomic DNA from one organism.

A genomic library or gene bank is a complete collection of cloned DNA fragments that make up the entire genome of an organism. It represents all genes including expressed, non-expressed, introns, exons. Genomic libraries can be stored for years and copies can be used for research purposes. Like traditional libraries, gene libraries are used to collect and store information as a set of DNA molecules. All gene libraries are collections of DNA fragments representing a particular biological system of interest.

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Answer:

Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.

Sympathetic stimulation causes granular cells to release renin, which ultimately leads to mesangial cell contraction and is denoted as option C.

This is referred to as the process in which the sympathetic nervous system is stimulated so as to enable certain types of activities such as heart and digestive rate to be adequately performed by the body for its survival.

In the digestive system, its stimulation results in granular cells releasing renin, which ultimately leads to mesangial cell contraction. This is responsible for the coagulation which occurs in the stomach.

Digestion of the milk is enhanced in this process especilly in young children and is therefore the reason why option C was chosen as the most appropriate choice.

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Using Punnett squares is useful to calculate genotypic and phenotypic probabilities among the progenies. Pods color is coded by a diallelic gene expressing complete dominance. 1) 100%. Genotype Gg. Phenotype Green. 2) 25% Genotype 25%GG + 50% Gg + 25%gg. Phenotypes 75% Green and 25% yellow.

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

Complete dominance is the inheritance pattern in which the dominant allele completely masks the expression of the recessive allele, which becomes evident in heterozygous individuals.

In the exposed example, the gene coding for pods color is diallelic and expresses complete dominance,

1st cross) purebred dominant with purebred recessive

Parentals) GG   x   gg

Gametes) G   G    g   g

Punett square)   G      G

                   g     Gg    Gg

                   g     Gg    Gg

F1) 100% Gg green individuals

2nd cross) between heterozygous individuals

Parentals) Gg   x   Gg

Gametes) G   g   G  g

Punett square)   G      g

                   G     GG  Gg

                   g     Gg    gg

F2) Genotype

1/4 = 25% of the progeny is expected to be GG

2/4 = 50% of the progeny is expected to be Gg

1/4 = 25% of the progeny is expected to be gg.

    Phenotype

3/4 = 75% of the progeny is expected to be green-poded individuals

1/4 = 25% of the progeny is expected to be yellow-poded individuals

1) What is the probability that the offspring are green?

The F1 is composed of heterozygous individuals, Gg.

There are 100% probability that the offspring are green.

2) What is the probability that the resulting offspring are yellow?

The F2 is composed of green (homozygous dominant GG and heterozygous Gg) and yellow (homozygous recessive gg) individuals.

There are 25% probability that the offspring are yellow.

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