Which cyclin(s) is/are required to pass the G1 restriction point in animal cells?
a. Cyclin A
b. Cyclin A and Cyclin B
c. Cyclin D
d. Cyclin D and Cyclin E
Ans: c. Cyclin D
Biology & Microbiology
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Which are tetrapods? Check all that apply.
_____ frogs _____ snakes _____ birds _____ humans _____ lungfish
Biology & Microbiology
During high tide a plant or animal would be at risk of
A. dehydration by facilitated diffusion of salts. B. dehydration due to active transport of salts. C. cells bursting due to active transport of salts. D. cells bursting by osmosis of water. E. dehydration by osmosis of water.
Biology & Microbiology
N-fixation exclusive to microbes
What will be an ideal response?
Biology & Microbiology
Enzymes increase the rate of a reaction by increasing molecular motion, thereby providing kinetic energy to drive the reaction.
Answer the following statement true (T) or false (F)
Biology & Microbiology