Cholesterol can be used as an energy source for the body; where else can it be used?
a. within cell membranes to provide flexibility
b. within ribosomes to assist in protein production
c. within the nucleus to provide protection for the DNA
d. within the nucleus to provide protection for the RNA
a. within cell membranes to provide flexibility
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The identity of flower organs is specified by the spatial expression of three classes of homeotic genes
A. true B. false
Which of the following is the skeletal muscle type associated with stamina and endurance?
A. smooth muscle B. fast twitch fibers C. slow twitch fibers D. isometric motor units
In sexual reproducers, meiosis gives rise to
a. diploid gametes. b. haploid gametes. c. triploid gametes. d. haploid germ cells. e. diploid germ cells.
Smell and taste receptors would be classified as ____
a. photoreceptors b. chemoreceptors c. mechanoreceptors d. thermoreceptors e. nociceptors