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
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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.
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.
A process which takes place at constant temperature is
What will be an ideal response?
In cell movement, branched actin filament growth pushes against the cell membrane. Proteins involved in this process include all of the following except
a. Arp2/3 b. profilin c. vinculin d. WASP/Scar