Which method is rapid and economical in terms of materials, but requires a certain degree of skill to master the technique.
A) Streak-plate method
B) Loop dilution (pour plate) method
C) Spread-plate method
A) Streak-plate method
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The enzyme _____ prevents chromosomes from shortening at the tips after each round of DNA replication
A. DNA polymerase. B. telomerase. C. topoisomerase II. D. DNA ligase. E. DNA replicase
Which of the following vessels offers more resistance to blood flow than the others?
a. arterioles b. venules c. arteries d. veins e. other capillaries
Of the 23 pairs of human chromosomes, 22 pairs are homologous and are found in both males and females. These are called ________.
A. recombinant chromosomes B. somatic chromosomes C. autosomes D. bivalents
Herbivores would usually be placed in which trophic level?
A) third B) either the third or fourth C) second D) fourth E) first