"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

Biology & Microbiology

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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)

Biology & Microbiology

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

Biology & Microbiology

Which of the following is NOT considered

strengthening or supportive tissue? a. collenchyma b. xylem c. sclerenchyma d. parenchyma e. cork

Biology & Microbiology

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

Biology & Microbiology