What is the significance of CDK/cyclin interactions with respect to cancer cell proliferation?
What will be an ideal response?
Many CDK/cyclin interactions serve as checkpoints for progression through the cell cycle. In cancerous cells mutations either CDK or its partner cyclin could deregulate key checkpoints resulting in cancer cell proliferation.
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Which floral structure is a female reproductive part?
a. anther b. pollen sac c. stigma d. stamen e. filament
All of the following are consistent with the law of conservation of matter EXCEPT:
a. there is no such thing as waste. b. matter is neither created nor destroyed but it can change form. c. any matter that is dangerous to living things is quickly biodegraded into a harmless form. d. one organism's waste matter is taken up by another organism and reused.
All mRNA transcripts begin with
a. methionine. b. a ribosome. c. AUG. d. the P site. e. an anticodon.
Grazers and browsers are true predators
Indicate whether the statement is true or false