Most plants incorporate carbon dioxide into sugars by means of a cycle of reactions called the  

A.  CAM cycle.
B.  carbon cycle.
C.  Calvin cycle.
D.  Krebs cycle.


C.  Calvin cycle.

Biology & Microbiology

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Which scenario illustrates directional selection?

a. Elk that are smaller or larger than average are easier prey for predators than elk of approximately average size. b. Bright feathers allow birds to attract mates, dull feathers hide birds from predators, but semi-bright feathers convey no advantage. c. Rabbits with shorter ears become more common where cattle that favor grazing on taller grass over shorter grass are introduced. d. Wildlife living in a forest are displaced after a wildfire destroys their natural habitat.

Biology & Microbiology

Chytrids are unique among fungi because they are the only ones that have ________

a. symbiotic relationships in lichens b. flagellated cells c. zygospores d. sexual reproduction

Biology & Microbiology

Restriction enzymes are  

A.  proteases. B.  lipases. C.  endonucleases. D.  exonucleases.

Biology & Microbiology

As a protein is being synthesized, the correct folding of the protein is aided by the movement of nonpolar amino acids toward the inner areas of the protein. How can this phenomenon be explained?

What will be an ideal response?

Biology & Microbiology