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IgorC [24]
3 years ago
7

#4) Why is DNA in the mitochondrial DNA known as "Eve's DNA"? *

Biology
1 answer:
natita [175]3 years ago
3 0

Answer

Scientists studied the genomes of more than 1200 indigenous African living in the southern part of the continent today , they pieced together a history of one of the oldest DNA's . Which is passed down maternally through the mitochondria and has survived remarkably unchanged in some populations for hundreds of thousands of years.

Explanation:

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Which of the following is an accurate description of an adult stem cell?
ELEN [110]

Answer;

C. Multipotent

Explanation;

-Multipotent cells are those cells that can develop into more than one cell type, however, they are more limited than pluripotent cells. Adult stem cells and cord blood stem cells are considered multipotent.

Totipotent cells on the other hand, are those cells that can form all the cell types in a body, together with the extraembryonic, or placental cells. Embryonic cells are the only cells that are totipotent within the first couple of cell divisions after fertilization.

Pluripotent cells are those cells that give rise to all of the cell types that make up the body; embryonic stem cells are considered pluripotent.

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3 years ago
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Select a location within each of the following biomes and fill in the missing information on the table. What is the Latitude and
hodyreva [135]

Answer:

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Explanation:

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3 years ago
What is ballistochory? A.) the dispersal of seed by force. B.) the dispersal of seed by water. C.) the dispersal of seeds by ani
melamori03 [73]

Answer:

<h2>A.) The dispersal of seed by force ( explosive mechanism ) </h2>

8 0
2 years ago
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Understanding types of symbiosis Interspecific interactions can be categorized by whether each species in the interaction benefi
sladkih [1.3K]

Answer:

a. parasitism:

The parasite benefits by harming the host e.g hookworms and humans

b. commensalism

In this association, one species benefits while the other is unaffected (its not harm and dies not benefit) e.g. epiphytic orchids and trees

c. mutualism

Here, both species benefit as seen in rumen bacteria and cows

Explanation:

Parasitism = +/- relationship

The predator benefits by harming the host. E.g. hookworms and humans. The hookworm (parasite) eat man blood while man (host) loses blood to it.

Commensalism = +/0 relationship

One specie(s) benefits while the other specie(s) neither benefits nor is harmed. E.g. epiphytic orchids live on tree branches or tree trunks as it's habitat or shelter while the trees neither benefits nor is harmed

Mutualism = +/+ relationship

Both organisms benefit in this relationship. E.g. rumen microbes aids grass digestion in cows, while the microbes benefit as it obtain steady food or nutrient from the cow

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How does the digestive system interact with the circulatory system?
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Answer:

B

Explanation:

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3 years ago
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