Which of the following is an example of indirect active transport?

A) Na+/K+ ATPase
B) aquaporin water transport
C) CFTR Cl? transport
D) Na+/glucose symport
E) glucose permease transport


Answer: D

Biology & Microbiology

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The recognition site for a restriction enzyme is 5? ACC^GGT 3?. The ^ symbol indicates the site of cleavage. After digestion of DNA with this restriction enzyme, how will the ends of the resulting DNA fragments look?

A) They will have sticky, single-stranded ends with 5? overhangs. B) They will have sticky, single-stranded ends with 3? overhangs. C) They will have blunt ends. D) They will have sticky, double-stranded ends. E) The result cannot be predicted using only this information.

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The thick wall that separates the heart into a left and right half is the

a. septum. b. myocardium. c. pericardium. d. endocardium. e. chordae tendinae.

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A process which takes place at constant temperature is

What will be an ideal response?

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In cell movement, branched actin filament growth pushes against the cell membrane. Proteins involved in this process include all of the following except

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Biology & Microbiology