What is the main form of nitrogen found on Earth?

A) N2
B) NO
C) NO3-
D) NH4


Answer: A

Biology & Microbiology

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Which of the following would be attributed to a peroxisomal dysfunction?

A) accumulation of N-acetylglucosamine phosphotransferase B) accumulation of ganglioside GM2 C) accumulation of very long chain fatty acids D) accumulation of glucocerebroside E) accumulation of complex sugars

Biology & Microbiology

Which of the following statements is incorrect regarding DNA and RNA?

A) They each contain a slightly different sugar molecule. B) DNA is double stranded, and RNA is a single strand. C) They are found in different locations in the cell. D) One of the bases is different. E) All of the above are correct.

Biology & Microbiology

When RNA-dependent RNA polymerase is copying the genome it is functioning as a ________.

A. helicase B. replicase C. ligase D. transcriptase

Biology & Microbiology

________ encode proteins that promote the cell cycle and prevent apoptosis.

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

Biology & Microbiology