Which of the following is NOT a mollusk?

A. a chiton
B. a nautilus
C. a nudibranch
D. an oyster
E. a brachiopod


E. a brachiopod

Biology & Microbiology

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A nasopharyngeal aspirate is cultured on Bordet-Gengou agar, and growth is observed. The colonies are also subjected to a direct fluorescent antibody (DFA) stain, which is also positive. On the basis of these findings, the antimicrobial therapy that should be administered to the pa-tient is:

a. azithromycin. b. gentamycin. c. streptomycin. d. imipenem.

Biology & Microbiology

Describe Lamarck’s four most important ideas that influenced Darwin’s evolutionary theory

What will be an ideal response?

Biology & Microbiology

When we track alleles from lineages backwards in time, we see them ultimately fuse into one lineage. The result is a gene tree, which is produced by a process called ________

Fill in the blank(s) with correct word

Biology & Microbiology

Which one of the following is TRUE regarding cellular respiration?

A) begins with the electron transport system B) requires the presence of oxygen C) results in the complete breakdown of ATP D) produces carbon dioxide and oxygen E) results in the synthesis of large sugar molecules

Biology & Microbiology