28. Normal alleles of tumor suppressor genes function to encode proteins that (A) promote transition from G1-to-S. (B) can slow the rate of cell division. (C) increase the rate of mutagenesis. (D) activate oncogenes.

28. Normal alleles of tumor suppressor genes function to encode proteins that
(A) promote transition from G1-to-S.
(B) can slow the rate of cell division.
(C) increase the rate of mutagenesis.
(D) activate oncogenes.

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37. The isolation of conditional cell cycle mutations in yeast helped identify many of the key proteins involved in cell cycle control. Many of these mutations were given the name cdc (cell division cycle) and are temperature sensitive. A cdc temperature sensitive mutant will: (A) grow normally at the permissive temperature and arrest at a specific phase in the cell cycle at non-permissive temperature. (B) grow normally at non-permissive temperature and arrest at a specific phase in the cell cycle at permissive temperatures. (C) grow slower at permissive temperature and speed up through the cell cycle at non-permissive temperatures. (D) grow normally at permissive temperature and have an extended period of time in G1 of the cell cycle at non-permissive temperatures.

28. Normal alleles of tumor suppressor genes function to encode proteins that
(A) promote transition from G1-to-S.
(B) can slow the rate of cell division.
(C) increase the rate of mutagenesis.
(D) activate oncogenes.

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28. Normal alleles of tumor suppressor genes function to encode proteins that(A) promote transition from G1-to-S.(B) can slow the rate of cell division.(C) increase the rate of mutagenesis.(D) activate oncogenes.

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28. Normal alleles of tumor suppressor genes function to encode proteins that
(A) promote transition from G1-to-S.
(B) can slow the rate of cell division.
(C) increase the rate of mutagenesis.
(D) activate oncogenes.