Azidothymidine (AZT) is mentioned in your book as an HIV drug. AZT is a reverse transcriptase inhibitor. That means AZT is only effective during the ______ stage of the viral life cycle
A. entry
B. integration
C. viral assembly
D. release
B
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Heterofermentation CANNOT be differentiated from homofermentation based on the compound fermented
Indicate whether the statement is true or false.
A number of ____________ cover the rough ER. Fill in the blank(s) with the appropriate word(s)
Which pressure equals atmospheric pressure during a pneumothorax, causing the lungs to collapse?
A) intrapleural pressure B) atmospheric pressure C) transpulmonary pressure D) rebound pressure (elastic recoil) E) intra-alveolar pressure
It is more difficult to identify eukaryotic genes than prokaryotic genes because in eukaryotes _____
A) the proteins are larger than in prokaryotes B) the coding portions of genes are shorter than in prokaryotes C) there are no start codons D) there are introns