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Human Phys Exam 1 F07 - PRINTABLE VERSION Test 1 You scored...

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PRINTABLE VERSION Test 1 You scored 66 out of 100 Question 1 Your answer is CORRECT. Which of the following is not a function of the lipid bilayer? a) Serves as a barrier to water soluble substances. b) Serves as the basic structure of the plasma membrane. c) Responsible for the fluidity of the plasma membrane. d) All of these. e) None of these. Question 2 Your answer is CORRECT. The function of the channel proteins is to: Question 3 Your answer is CORRECT. The function of the carrier proteins is: Question 4 Your answer is INCORRECT. Carrier-mediated transport: Question 5 Your answer is CORRECT. Facilitated diffusion: a) Involves a carrier molecule. b) Does not require energy expenditure. c) Always moves substances against a concentration gradient. d) Both [a] and [b]. e) Both [a] and [c].
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Question 6 Your answer is CORRECT. If a cell were exposed to a hypotonic solution which of the following would occur? Question 7 Your answer is CORRECT. Which increases the rate of diffusion for a substance through a membrane?
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