During which one of the following phases of the cell cycle is DNA replicated?
A) G2 phase
B) telophase
C) metaphase
D) S phase
E) G1 of interphase
D
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An enzyme that adds phosphate groups to proteins is called a phosphatase
1.True 2.False
Which pathway is affected by an inherited mutation in the ATM gene?
A) nucleotide excision repair pathway B) photoreactivation C) p53 repair pathway D) reactivation repair pathway E) UV repair pathway
Which is not a characteristic of spirochetes?
A) Endoflagella enclosed in periplasmic space B) Always motile C) Helical shape D) All are pathogenic E) Gram-negative
Which of the following statements best describes what happens when a bacterial cell is placed in a solution containing 5% NaCl?
A) Sucrose will move into the cell from a higher to a lower concentration. B) The cell will undergo osmotic lysis. C) Water will move out of the cell. D) Water will move into the cell. E) No change will result; the solution is isotonic.