Succulent plants such as cacti or pineapple
A. tend to undergo substantial rates of photorespiration.
B. are highly efficient at photosynthesis in cooler and wet environments.
C. produce 4-carbon malate in the first step of carbon fixation.
D. continually produce sugar, both day and night under hot, arid conditions.
E. are C3 plants.
C. produce 4-carbon malate in the first step of carbon fixation.
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Nonpolar signaling molecules enter the cell by ____
a. facilitated diffusion b. simple diffusion c. osmosis d. active transport e. receptor-mediated endocytosis
Steroid hormones are structurally related to
1.DNA. 2.cholesterol. 3.proteins. 4.phospholipids. 5.sugars.
Which genes were incorporated into the genome of Golden Rice? (check all that apply)
A. Daffodil lycopene beta-cyclase gene B. Bacterial beta-galactosidase C. Daffodil phytoene synthase gene D. Bacterial carotene desaturase gene
The movement of molecules from an area of high concentration to an area of lower concentration is called
A. endocytosis. B. diffusion. C. facilitated diffusion. D. active transport. E. osmosis.