Question

A mutation in the cdc28 gene in the budding yeast Saccharomyces cerevisiae causes cell-cycle arrest, giving rise to unbudded cells that look like "dumbbells." Treatment of wild-type cells with nocodazole, a drug that destabilizes some cytoskeletal polymers, leads to a similar phenotype. Based only on these observations, which statement is true regarding cdc28? O a. The product of the cdc28 gene is responsible for resistance to nocodazole. O b. The product of cdc28 destabilizes the same cytoskeletal polymers that nocodazole also destabilizes O c. cdc28 codes for a master regulatory kinase that phosphorylates other proteins. O d. Nocodazole binds to the protain coded by the cdc28 gene.

          A mutation in the cdc28 gene in the budding yeast Saccharomyces cerevisiae causes cell-cycle arrest, giving rise to unbudded cells that look like "dumbbells." Treatment of wild-type cells with nocodazole, a drug that destabilizes some cytoskeletal polymers, leads to a similar phenotype. Based only on these observations, which statement is true regarding cdc28?

O a. The product of the cdc28 gene is responsible for resistance to nocodazole.
O b. The product of cdc28 destabilizes the same cytoskeletal polymers that nocodazole also destabilizes
O c. cdc28 codes for a master regulatory kinase that phosphorylates other proteins.
O d. Nocodazole binds to the protain coded by the cdc28 gene.

A mutation in the cdc28 gene in the budding yeast Saccharomyces cerevisiae causes cell-cycle arrest, giving rise to unbudded cells that look like "dumbbells." Treatment of wild-type cells with nocodazole, a drug that destabilizes some cytoskeletal polymers, leads to a similar phenotype. Based only on these observations, which statement is true regarding cdc28?

O a. The product of the cdc28 gene is responsible for resistance to nocodazole.
O b. The product of cdc28 destabilizes the same cytoskeletal polymers that nocodazole also destabilizes
O c. cdc28 codes for a master regulatory kinase that phosphorylates other proteins.
O d. Nocodazole binds to the protain coded by the cdc28 gene.

Added by Austin S.

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