Caulobacter are different from most bacteria in that they
A) are gram-negative.
B) are gram-positive.
C) have stalks.
D) lack cell walls.
E) are motile.
C
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In humans, male-pattern baldness may be assumed to be controlled by an autosomal gene that occurs in two allelic forms. Allele B determines nonbaldness, and allele b determines pattern baldness. In males, because of the presence of testosterone, allele b
is dominant over B. If a man and woman both with genotype Bb have a son, what is the chance that he will eventually be bald? A) 0% B) 25% C) 33% D) 50% E) 75%
In an organism with either a closed or open circulatory system, most of the body fluids are in the
A. intracellular fluid. B. extracellular fluid. C. interstitial fluid. D. plasma. E. hemolymph.
All of the following pertain to glycolysis except
A. it degrades glucose to CO2 and H2O. B. it occurs without oxygen. C. it occurs during fermentation. D. it involves reduction of NAD. E. it ends with formation of pyruvic acid.
Which blood type is the universal donor?
a. A only b. B only c. AB d. O e. Both AB and O