Which complex organic molecule is a major product of the Calvin cycle?
a. ATP
b. CO2
c. rubisco
d. G3P
Ans: d. G3P
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Water is able to cross plant plasma membranes by a combination of
A. osmosis and aquaporins. B. evaporation and diffusion. C. root pressure and turgidity. D. diffusion and phloem. E. transpiration and Casparian strips.
When a gene transcription occurs, which of the following is produced?
a. more DNA b. protein or polypeptide sequences c. messenger RNA d. enzymes e. genetic defects
According to the cohesion-tension mechanism of water transport, why does cohesion occur?
a. because water molecules tend to form hydrogen bonds with each other b. because water is pushed into the xylem by bulk flow c. because waxy coatings on the insides of xylem keep water molecules together in the xylem d. because evaporation removes water from the leaves
Simplexviruses can establish latent infections of ________ cells.
A. B B. epithelial C. nerve D. T E. muscle