The sodium-potassium pump is important in maintaining cell volume because it __________.
Fill in the blank(s) with the appropriate word(s)
Ans: Transports ions, which results in the movement of water by osmosis.
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Why might adding inorganic phosphate, to a reaction mixture where glycolysis is rapidly proceeding, help sustain the metabolic pathway?
A) It would increase the amount of glucose available for catabolism. B) It would increase the oxygen supply available for aerobic respiration because each phosphate group contains four oxygen atoms as constituents. C) The metabolic intermediates of glycolysis are phosphorylated. D) It increases the energy level of the electrons that are transferred to the electron transport chain where ATP is produced.
The replicative form of nucleic acid in filamentous phages is
A. dsDNA. B. dsRNA. C. positive ssRNA. D. negative ssDNA.
What is the main cause of carbon dioxide build-up in the atmosphere?
a. burning fossil fuels b. deforestation c. droughts d. flooding e. respiration due to overpopulation
An example of mutualism is:
a. mycorrhizae and epiphytes. b. epiphytes and tapeworms. c. monarch and viceroy butterflies. d. silverfish and army ants. e. Rhizobium and legumes