During the day in most plants

a. carbon dioxide accumulates in leaf cells.
b. turgor pressure in the guard cells decreases.
c. water and potassium move into the guard cells.
d. the guard cells wilt.
e. water is conserved.


Answer: c

Biology & Microbiology

You might also like to view...

Testing for differentiation of M. lacunata from other Moraxella species can best be performed by:

a. the ability to utilize acetate. b. the ability to liquefy serum. c. glucose utilization tests. d. growth on MacConkey agar.

Biology & Microbiology

Which of the following is NOT true of lipids?

a. They store energy. b. They function as structural components of cellular membranes. c. They function as hormones. d. They are nonpolar. e. They have many oxygen-containing functional groups.

Biology & Microbiology

Explain the use of an antibiotic (e.g., ampicillin) resistance gene on a vector

What will be an ideal response?

Biology & Microbiology

The key event that occurs during lysogenic replication of bacteriophage that does not occur during lytic replication is

A) assembly of new phage by packing viral genomes into capsids. B) penetration of the phage DNA into the host cell. C) integration of the phage DNA into the host cell DNA. D) release of mature viral particles by lysis of the bacterial cell. E) attachment of the phage to specific proteins in the bacterial cell.

Biology & Microbiology