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solong [7]
3 years ago
13

What are extensions of the plasma membrane that serve primarily to increase a cell's surface area called?

Biology
1 answer:
muminat3 years ago
4 0

Answer:

Answer is microvilli.

Explanation:

Plasma membrane possesses or comprises of channels , made up of proteins , and form openings for certain molecules to diffuse through and into the cell.

The major function of the microvilli is that it increases the surface area of the cell. This activity increases the rate of absorption, secretion and cellular adhesion.

It should  be noted that, microvilli are projections or protrusions found on the  cellular membrane.

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Answer:

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What is the difference between normal and sickle hemoglobin at the DNA, RNA, and protein (amino acid) level?
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Specific gravity is the density of an object compared to water? true or false?
viktelen [127]
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3 years ago
Suppose the North American plate is moving away from the Eurasian plate at a rate of 2 cm per year. The eastern-most point of No
Archy [21]

The correct answer is - 1,180 km.

North America and Europe move away from one another, though the two plates, the North American and Eurasian are merging together on the other side. Since the rate of moving away is 2 cm per year, and the current distance is 1,184 km between North America and Europe, the distance between them 200,000 years ago was 1,180 km.

To get to the result we only need to multiply the number of years with the annual movement

2 x 200,000 = 400,000

Than divide the result with 100,000, as that is how much cm are in one km

400,000 / 100,000 = 4

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3 years ago
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