Table 42.1 -Refer to Table 42.1

question 23

Multiple Choice

Table 42.1

-Refer to Table 42.1:
Because the shark rectal gland functions only when ATP molecules are present,what can you infer about the movement of Na⁺,K⁺,and Cl⁻?

• A)Movement of these ions from circulation into the rectal gland is an active process.
• B)Movement of these ions takes place from a region of higher concentration to a region of lower concentration.
• C)These ions move into the rectal gland with their osmotic gradient.
• D)The rectal gland is unable to concentrate these ions.

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