C4 plants are usually ________ in shady habitats because C4 photosynthesis has ______________ than the C3 pathway

A. common; lower ATP requirements
B. common; higher ATP requirements
C. rare; lower ATP requirements
D. rare; higher ATP requirements


D

Biology & Microbiology

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Inhibition of the flexor muscle during the knee-jerk reflex is an example of:

A. negative feedback. B. homeostasis. C. reciprocal inhibition. D. All of the answer options are correct.

Biology & Microbiology

A worker bee that is a day old is most likely to perform which function?

a. cleaning cells b. feeding nestmates c. packing pollen d. feeding brood e. foraging

Biology & Microbiology

Prokaryotes control their gene expression mainly by ________

a. translational control b. post-translational modification c. adjusting the rate of transcription d. control over mRNA processing

Biology & Microbiology

The ribosomal RNA studies that led to the division of prokaryotic organisms into the Bacteria and the Archaea were begun by ________.

A. Pasteur B. Watson C. Woese D. Needham

Biology & Microbiology