Mutation of the A group gene in Arabidopsis
thaliana affects development in its flower’s
a. first whorl only.
b. second whorl only.
c. third whorl only.
d. first and second whorls.
e. second and third whorls.
Answer: d
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________, periodic reports on the susceptibility of clinically isolated organisms to the antibiotics in current local use, are particularly valuable for tracking the emergence of new antibiotic-resistant strains of pathogens
A) Antibiotic susceptibility plates B) Antibiograms C) Direct agglutination reports D) Histograms
Most systemic mycoses are acquired from ________.
A. insect vectors B. inhaling spores C. puncture wounds D. All of the choices are correct.
In humans telomerase functions to
a. add telomere repeats in some human cells. b. remove telomere repeats in all human cells. c. add telomere repeats in all human cells. d. remove telomere repeats in some human cells. e. transcribe telomere repeats in some human cells
The concentration of hydronium ions in a solution with a pH of 4 is how many times that of a solution with a pH of 2?
a. 2 b. 10 c. 100 d. 1,000