What would be a consequence of a mutation that disables the production of cyclin-dependent kinases (Cdks)?
A) Telomere length would be shortened significantly.
B) The nuclear envelope would disintegrate.
C) Cell-cycle control would not be possible.
D) DNA would not contain any phosphate groups.
C
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In the dark, the Na+ channels in the outer segments of rod cells are
A. open. B. closed. C. primarily affected by inhibitory neurotransmitter input. D. important in making the cell hyperpolarized in this resting state.
Air is continuously forced through tubes that thread
through vascularized tissue in a pair of inelastic lungs in a. some fish. b. amphibians. c. birds. d. reptiles. e. some small mammals.
Which of the following statements characterizes the lytic cycle of a viral infection?
A) The cycle typically ends when the host bacterium divides. B) The cycle typically leads to the lysis of the host cell. C) The virus reproduces outside of the host cell. D) The viral genes typically remain inactive once they are inside the host cell.
Crossing-over and independent assortment of chromosomes ensure
What will be an ideal response?