Most CO2 reacts with water inside red blood cells to form bicarbonate, due to the activity of
__________. Fill in the blank(s) with the appropriate word(s).
carbonic anhydrase
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Chromosomes can be condensed into compact structures, visible with the light microscope, but usually only:
A. while the nuclear pores are open. B. while the proteins are being assembled. C. after the cell is dead. D. while the DNA is being copied into RNA. E. during cell division.
Gurdon's nuclear transplantation experiments with clawed toads supported the hypothesis that:
A. differentiation is the result of genes being successively deleted from the genome. B. differentiation is the result of genes being successively turned off. C. differentiation causes cells to become pluripotent. D. only nuclei from the blastocyst retain sufficient potency to produce an adult organism. E. All of these choices are correct.
What causes a disclimax community?
a. primary succession b. secondary succession c. facilitation d. inhibition e. disturbance inhibiting successional change
The greatest number of ATP molecules is
produced in a. glycolysis. b. alcoholic fermentation. c. anaerobic electron transfer. d. electron transfer phosphorylation. e. the Krebs cycle.