The structure of DNA was determined primarily by
a. Mendel.
b. Watson and Crick.
c. Pauling.
d. Hershey and Chase.
e. Griffith.
B
Biology & Microbiology
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The enzyme nitrogenase is most directly involved in the process called ____
a. nitrification b. ammonification c. nitrogen cycling d. nitrogen fixation e. nitrogen assimilation
Biology & Microbiology
What cytokine is secreted by virally infected cells to induce a virus-resistant state in nearby cells?
A) interleukin-4 B) interleukin-10 C) interleukin-5 D) interferon-alpha E) interferon-beta
Biology & Microbiology
Which aspect of truffle mushrooms drives their commercial importance?
A) size B) smell C) taste D) texture
Biology & Microbiology
Urine when compared with the initial filtrate, contains
a. more glucose b. less water, fewer minerals, and more urea c. decomposed of red blood cells d. concentrated amino acids
Biology & Microbiology