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Table 42.1 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. 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. -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.

E) A) and D)
F) A) and B)

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