Which general genetic process is believed to account for the variety of cellular structures and functions in eukaryotic cells?
A) maternal environmental activities
B) RNA processing
C) negative control exclusively
D) variable gene activity
E) intron processing
Answer: D
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Over time, a sensory neuron will decrease its responsiveness to a specific signal. This
A. accommodation B. appreciation C. adaptation D. alleviation
At what phase of the cell cycle does p53 halt cell division if it senses DNA damage?
A. S B. G2 C. M D. G0 E. G1
In the mitochondria pyruvate molecules are converted into ____________________ molecules, which can enter the
Krebs cycle reactions. Fill in the blank(s) with the appropriate word(s).
Various modifications in leaves can make plants better adapted to their habitats. Which of the following is an evolutionary modification of leaves? Select all that apply.A) Floral leavesB) Fruit-bearing leavesC) SpinesD) Reproductive leavesE) Insectivorous leaves
What will be an ideal response?