37. Which of the following can serve as an energy source for active transport across biological membranes? (A) ATP hydrolysis (B) Light energy (C) Ion concentration gradient (D) All of the above

1. Which of the following is NOT a distinctive property of living systems? (A) Living organisms exhibit a high level of organization. (B) Biological structures are related to specific functions. (C) Living systems have the capacity for reproduction. (D) Living systems do not carry out energy transformation.

37. Which of the following can serve as an energy source for active transport across biological membranes?
(A) ATP hydrolysis
(B) Light energy
(C) Ion concentration gradient
(D) All of the above

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