"Runs" are bacterial movements that come from rotating a flagellum_________.
a. clockwise
b. counter-clockwise
c. up and down
d. in and out
Ans: b. counter-clockwise
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Which type of drug may interfere with the beneficial effects of a fever?
1.antibiotics 2.pain killers 3.aspirin 4.antidepressants 5.muscle relaxants
Which of the following is NOT considered
strengthening or supportive tissue? a. collenchyma b. xylem c. sclerenchyma d. parenchyma e. cork
One of the primary reasons for generating a large number of clones in a eukaryotic genomic library is that ________
A) lysogenic phages continue to integrate their DNA into the host chromosome, thus reducing the number of desired recombinant clones B) each cosmid replicates in coordination with the host chromosome C) the host range of the vector is limited D) each ligation product is sequence specific E) each vector can take up only a relatively small fraction of the eukaryotic DNA
In glycolysis, a major portion of the energy remains in the final product, which is called:
A. glucose B. citrate C. pyruvate D. glyceraldehyde 3-phosphate (G3P)