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charle [14.2K]
3 years ago
12

PLEASE HELP .!!! ILL GIVE BRAINLIEST.. *EXRTA POINTS* .. DONT SKIP :(( ! ILL GIVE 40 POINTS .

Biology
1 answer:
Vinvika [58]3 years ago
6 0

Answer:

The answer to the question is C

Explanation:

It is used for all I and II and III

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Aquaporins are proteins that control the passage of water molecules across a cell membrane. The protein forms a pore, or opening
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The two different molecules of aquaporin will have different sequences of amino acids

Explanation:

Aquaporins are an integral type of membrane proteins. They act as water channels and their function is to transport water and other solute materials across cells membranes and thereby control and regulate the water content of the cells.

They are formed by clustering of four water channel monomers forming a tetramer.

Each aquaporin is made up of a specific linear sequence of amino acids and variations in the sequence leads to formation of different aquaporins.

There are more than 10 types of aquaporins are known. The sizes of the aquaporins differ according to their pore diameter of each type and this difference leads to the selective permeability of water across cell membranes.

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What is the purpose of natural selection
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3 years ago
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During a storm a tree fell over into a river what might happen to this tree
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3 years ago
Jason has five equally massed lead fishing weights, each weighing 250 grams. What is the total mass of the five lead fishing wei
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Answer:

1250 g=1.25 Kg

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Total mass is obtained by multiplying the total number of fishes with weight of one fish

Total mass=5\times 250

Total mass of five fishes=1250 g

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Then 1250 g=\frac{1250}{1000}=1.25 Kg

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An easy way to calculate the amount of energy available at each level is to
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Use the rule that 10% of the energy is transferred between layers.

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Energy is transferred between layers of a food pyramid. That means that the  producers at the bottom of the pyramid (e.g. green plants) provide energy to the primary consumers (e.g. rabbits), which are eaten by and provide energy to the secondary consumers (e.g. foxes).

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