Molecular motors use ATP as the energy source to power the molecular motors.
a. true
b. false
Ans: a. true
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In multicellular animals with pressurized circulatory systems, the correct order of processes in waste elimination is:
A. filtration, reabsorption, secretion. B. reabsorption, secretion, filtration. C. secretion, filtration, reabsorption. D. filtration, secretion, reabsorption. E. secretion, reabsorption, filtration.
The pistil of a flower is best described as:
A. a structure to defend against insects B. a single carpel or group of fused carpels C. a place where pollen is produced D. a grouping of filaments E. a place for sperm to be produced
In general, the growth pattern of human population through history shows a/an _____ pattern.
A. logistic B. exponential C. logistic and exponential D. sigmoidal E. declining
Given the structure of the anti-HIV drug azidothymidine (AZT), how do you think it blocks viral replication?
a. It blocks RNA synthesis b. It inhibits host T cells from replicating c. It inhibits the assembly of new viruses in the cell d. It blocks DNA synthesis e. It prevents HIV from entering the cell