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Explanation:

A single parent reproduction is called Asexual reproduction

Asexual reproduction is a form of reproduction in which the number of chromosomes or the fusion of gametes is not altered.

The whole gene pool of their single parent is inherited by the children that are produced by asexual reproduction from either unicellular or multicellular organisms.

With asexual reproduction, just one parent is necessary, two parents participate in sexual reproduction, which results in children with distinct genetic makeup.

A diploid zygote is created during sexual reproduction when two haploid gametes combine during fertilization, budding is an example of asexual reproduction.

Therefore, with asexual reproduction, just one parent is necessary.

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Answer: the founder effect

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Carbon dioxide and water

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plants prepare their food in presence of these molecules to produce sugar and oxygen which we required for survive

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The gas exchange of carbon dioxide and oxygen occurs through the stomata.

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The movement of gas in the opposite direction

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It gets the electrons from NADH and FADH2, which are produced in the Krebs cycle.

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Bilateral symmetry because animals are able to be cut down the middle and have two equal half’s.

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Cephalization means an evolutionary trend where nervous tissue over many generations become concentrated on one end of the organism........... I hope this helps !!!!!

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Answer:

Nucleosomes are made up of DNA that's wound around histones

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Answer:

The nucleosome is the fundamental subunit of chromatin. Each nucleosome is composed of a little less than two turns of DNA wrapped around a set of eight proteins called histones, which are known as a histone octamer. Each histone octamer is composed of two copies each of the histone proteins H2A, H2B, H3, and H4.

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Glycoproteins are molecules that comprise protein and carbohydrate chains that are involved in many physiological functions including immunity. Many viruses have glycoproteins that help them enter bodily cells, but can also serve to be important therapeutic or preventative targets.

Explanation:

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Answer:

Root,stem,Leaf and flower

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Plants are made up of organs, including roots, leaves, the stem and reproductive organs.

Each organ has its own functions.

Together, the organs of a plant allow it to carry out the seven processes of life.

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Glucose can still be broken down in the absence of oxygen in order to meet the cells energy requirements. In plant and yeast cells pyruvate is converted into carbon dioxide and a type of alcohol called ethanol.

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Explanation:

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Glucose can still need broken down in the absence of oxygen in order to meet the cells' energy requirements. In plant and yeast cells, pyruvate is converted into carbon dioxide and a type of alcohol called ethanol.

Answer:

A

Explanation:

Aquistion

Answer:

true

Explanation:

The sodium and chloride ion concentrations are lower inside the cell than outside, and the potassium concentration is greater inside the cell. These concentration differences for sodium and potassium are due to the action of a membrane active transport system which pumps sodium out of the cell and potassium into it.

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constitutive gene.

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Photosynthesis occurs in the chloroplast of the plant cell.

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Bioindicators are species, groups of species or biological communities whose presence, abundance and biological conditions, in real ecosystems or through the use of laboratory toxicity tests, to make inferences about the quality of the environment.

Answer:

, yes..............

Explanation:

because the vibrations are transmitted to the inner ear after the bones amplify it

Ossicles are the body's tiniest bones. the malleus (hammer), incus (anvil), and stapes (stirrup). Ossicles amplify sound. 

Ossicles are very little bones; in fact, they are the tiniest bones in the entire human body. The malleus (hammer), the incus (anvil), and the stapes are the names of the three bones because of the forms they make (stirrup). The sound is amplified even further by the ossicles.

In order to reach the eardrum, sound waves must first enter the outer ear and then proceed via the ear canal, which is a very short conduit. The incoming sound waves cause the eardrum to vibrate, and the eardrum in turn transmits these vibrations to three very small bones located in the middle ear. The malleus, incus, and stapes are the names given to these three bones.

Hearing is dependent on a series of intricate steps that convert sound waves in the air into electrical impulses. These steps are necessary for hearing.

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Explanation:

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They are all mechanisms of Evolution and can change allele frequencies in populations

Natural selection, mutation, genetic drift and gene flow are all capable of causing varying changes in allele frequencies in a population. and these changes leads to the violation of Hardy-Weinberg assumptions

Hardy-Weinberg assumption states that; for a population to experience an unchanged allele frequencies, certain conditions must be met by the population such as ; absence of natural, random mating , absence of migration and absence of mutation.

Hence we can conclude that Natural selection , mutation, genetic drift and gene flow are all mechanisms of Evolution and can change allele frequencies in populations

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As the prey population increases, there is more food for predators. So, after a slight lag, the predator population increases as well. As the number of predators increases, more prey are captured.

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During night hours, most plants switch from photosynthesis to the opposite process, respiration, in which carbon dioxide and water are produced rather than consumed.Explanation:

Answer:

Explanation:

isotonic - direction of osmosis is equal on both sides

hypertonic - direction of osmosis is outside of the cell

hypotonic- direction of osmosis is into the cell

In the gel electrophoresis lab, you determined the genotype of three different DNA samples.

Gel electrophoresis is a process that allows you to separate fragments of DNA based on size. You place different size fragments of DNA into a gel, then apply current to the buffer surrounding the gel, the DNA will travel through the gel but move at different speeds based on the different fragment sizes. Larger fragments of DNA will move slower than smaller fragment sizes.

Let consider two different alleles:

The bigger allele happens to contain a restriction site that is allowed to be cleaved by a restriction enzyme while the smaller allele has a mutation in the restriction site that means that it will not be recognized and cleaved by that same restriction enzyme.

Let us remember that the person will have two copies of this gene and can be:

An individual with h0m0zyg0us AA only have versions of the gene that will be cut by the restriction enzymes, each allele producing a small fragment of DNA and a medium-size fragment of DNA

An individual with the genotype aa only has the version of the gene that does not have the restriction site and therefore does not get cut by the restriction enzyme. The DNA sample from this individual will have a single larger fragment of DNA.

When you isolate DNA from heterozygous Aa, half of the DNA isolated has the allele with the restriction site that gets cut into two fragments while the other half will have the allele that does not have the restriction site and remains whole when a restriction enzyme is added.

Therefore, we can conclude that in the gel electrophoresis lab, you determined the genotype of three different DNA samples.

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Answer:

Yes you are correct

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Nondisjunction

Explanation:

Nondisjunction occurs when homologous chromosomes or sister chromatids fail to separate during meiosis, resulting in an abnormal chromosome number. 

Answer:

boil

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4 sets

Explanation:

Both gametes will each have 48 chromosomes (2 sets). So if fertilisation were to occur, two of those gametes (both with 2 sets each) the zygote will have 4 sets.

If self-fertilisation occurs, the zygote will have two set(s) of chromosomes.

Self-fertilization, also known as self-pollination, is a type of sexual reproduction in which a hermaphroditic or monoecious organism fertilizes its own gametes. This means that the male and female reproductive organs are present in the same individual, allowing for self-fertilization to occur.

In plants, self-fertilization can occur through a variety of mechanisms, including self-pollination by wind or gravity, or by the transfer of pollen from the anther to the stigma of the same flower. Self-fertilization can also occur in animals that are hermaphroditic, such as some species of snails and slugs.

Self-fertilization can have both advantages and disadvantages for the organism. It can ensure reproduction in isolated or low-density populations, but it can also limit genetic diversity and increase the risk of inbreeding depression.

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