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erma4kov [3.2K]
3 years ago
10

PLEASEEEE HELEPPPP

Biology
1 answer:
vichka [17]3 years ago
8 0

Answer:

When you make a fist after extending your arm and then flex your fingers, what statement is true?

A. It is easier to perform as opposed to flexing the wrist and then flexing the fingers

D. Both A and C answers

B. The actin and myosin are not binding

<h2>C. two muscles are crossing the same joint</h2>
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The nucleotide sequence responsible for the actual building of a protein is called a _______.
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A number of marine reptiles and birds have salt glands, which have a remarkable ability to concentrate salt solutions for excret
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Answer:

A)100mL  B)50mL  C)The second option  D)Hypoosmotic Environment

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The average Na concentration in the seas and oceans of the world is around 3,5% which mean that in 100 ml of sea water, there is around 3,5 grams of Na.

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If the average Na concentration of the salt gland's secretion were 300 mmol/L, only 50 mililiters of water would be needed to excrete the same sodium load.

The second option of secretion is hyperosmotic to seawater because the concentration is higher.

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I hope this answer helps.

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