Although the same cell types can be found in both primary and secondary phloem, ____ are usually more abundant in
secondary phloem.
a. parenchyma
b. fibers
c. vessel elements
d. companion cells
e. sieve tube members
b
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Refer to Figure 12-2. The correct designation for the DNA strand labeled C is:
a. the leading strand.
b. 3?.
c. Okazaki fragments.
d. polymerase.
e. a strand serving as a template.
Antimicrobial peptides can do all of the following except
A) stimulate leukocytes. B) regulate body temperature. C) insert themselves into target cell membranes. D) disrupt plasma membrane and/or cell wall. E) target intracellular components.
Fluid waves within the cochlea cause the movement of the:
A. tympanic membrane. B. basilar membrane. C. tectorial membrane. D. basilar membrane and tectorial membrane.
One of the reasons that most animal cells will not burst if too much water enters by osmosis is that
a. the cell wall will protect it. b. most body cells selectively move solutes out. c. carrier proteins will remove excess water. d. solute molecules will resist water molecules. e. salts will absorb the water.