Where do the carbon atoms in glucose come from?
A. water
B. NADPH
C. carbon dioxide
D. sunlight
E. oxygen
Answer: C
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The protein responsible for cystic fibrosis is
a. found on the inside of cells. b. the same in normal individuals and those with cystic fibrosis. c. responsible for blocking normal fluid transport across the cell membrane. d. a carcinogen. e. the result of a normal gene.
Refer to Figure 5-1. Which of the following statements about the red blood cells in Figure B is true?
a. These red blood cells have been placed in an isotonic solution.
b. These red blood cells have swollen in response to a hypertonic external solution.
c. These red blood cells have swollen in response to a hypotonic external solution.
d. These red blood cells have shrunken in response to a hypertonic external solution.
e. These red blood cells have shrunken in response to a hypotonic external solution
What is the advantage of having cyanobacteria living inside a cell?
A. Enhanced protection of DNA B. Allows the cell to manufacture ATP C. Intracellular production of glucose D. Much more efficient protein synthesis
When ovulating, females tend to prefer:
a) the scent of less attractive men b) the scent of dominant men c) wealth over talent d) all of the above