The most effective form of penicillin is

A. A.
B. B.
C. E.
D. G.


D

Biology & Microbiology

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By nature of its infectivity, M13 phage can be used in the laboratory to continually propagate a particular DNA sequence inside of Escherichia coli by simply culturing infected E. coli in LB

Indicate whether the statement is true or false.

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Viroids are constructed primarily of ____

a. lipids b. DNA c. protein coats d. RNA e. bacteriophages

Biology & Microbiology

What is the consensus sequence for the Pribnow box from these sequences?

A) TTGATA B) TATGAT C) TATTAT D) ACCA E) TAGTAT

Biology & Microbiology

During which step of aerobic respiration is oxygen used?

A) Glycolysis B) Conversion of pyruvate to acetyl CoA C) Fermentation D) Krebs cycle E) Electron transport chain (ETC)

Biology & Microbiology