The macrolide, ________, is a useful substitute for dealing with penicillin-resistant Streptococci.

Fill in the blank(s) with the appropriate word(s).


erythromycin

Biology & Microbiology

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A chicken somatic cell carries 78 chromosomes. A chicken sperm cell will contain how many chromosomes?

a. 19 b. 39 c. 78 d. 156 e. 312

Biology & Microbiology

Ossicles are found in

a. the outer ear. b. the middle ear. c. the inner ear. d. both a and c.

Biology & Microbiology

Explanation of the evolution of eukaryotic organelles by phagocytosis of prokaryotes.

What will be an ideal response?

Biology & Microbiology

Restriction endonucleases

a. make staggered cuts to DNA, leaving overlapping ends. b. cut both strands of DNA at the same position. c. cut DNA randomly instead of targeting a specific sequence. d. do either a or b (depending on the specific endonuclease).

Biology & Microbiology