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Luda [366]
3 years ago
10

The plasma membrane is _______.

Biology
2 answers:
diamong [38]3 years ago
7 0

The Plasma Membrane. *The plasma membrane regulates what enters and exits the cell. *It is composed of a phospholipid bilayer and sometimes covered in cholesterol molecules and proteins.

scZoUnD [109]3 years ago
6 0

The plasma membrane is the membrane that surrounds cells and controls what comes in and what goes out of that cell. It is made up of layers of phospholipids whos tails are nonpolar (no charge) and the heads of the Phospholipids are Polar (have a charge). Because of the charges of the phospholipids, some substances can not come into the cell. The reason is their charges are different then the layer and therefore, it repels the substance. However, if the substance has the right charge or is small enough to slip through membrane holes, the substance can get past the Phospholipid bilayer and into the cell. Transport proteins can allow some substances in that would normally not be let in.

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viktelen [127]

All animals are heterotrophs as in they can't produce their own energy like plants can which is why they are autotrophs. Herbivores eat plants, carnivores eat animals, and omnivores (humans) eat both.

8 0
3 years ago
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What is social structure? What are some of the factors that influence social structure, please
Flura [38]

Answer:

what is social structure?

social structure is the patterned social arrangements in society that are both emergent from and determinant of the actions of individuals.

Explanation:

What are some of the factors that influence social structure

1 distribution of recources

-leaves (abundant and dense)- support large groups of animals

2 fruits and nuts-occur in clumps-most efficiently exploited by smaller groups of animals

-some tend to be protective of resources, especially if their feeding area is small enough to be defended

3 insects (widely scattered) alone or company of 1 and 2

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hope this can help you....

6 0
3 years ago
The properties of water are an essential part of what makes water unique. What affect does the properties of water have on Earth
lukranit [14]

Answer:

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Explanation:

8 0
3 years ago
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faust18 [17]
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7 0
3 years ago
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Snezhnost [94]

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<h3><u>Explanation:</u></h3>

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5 0
4 years ago
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