Cellulose is
a. the most complex of the organic
compounds.
b. a polymer of glucose and fructose.
c. a polymer of glucose and galactose.
d. a component of plasma membranes.
e. a material found in plant cell walls
E
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Deer flies (Chrysops spp.) are a major vector in the spread of typhus
Indicate whether the statement is true or false.
Morphological divergence ____
a. is the change in body form from that of a common ancestor b. is the change in body form to resemble that of an ancestor c. implies no change in body form over time d. does not occur in related species e. only occurs in unrelated species
When you need to go to a hospital for a surgery, you should ________
A) pick the nearest hospital for convenience B) trust the nurses and doctors there because medical errors in hospitals are very rare C) go to a hospital that is known to have success in treating your medical condition D) relax and try to avoid asking questions
Two cells that contain similar steroid receptors may nevertheless respond differently to the steroid if they:
A) contain different DNA strands B) make different steroid receptor cofactors C) have been exocised D) lack lipid nuclei