The gag gene of the HIV genome encodes:

A. reverse transcriptase.
B. capsid.
C. integrase.
D. surface glycoprotein.
E. protease.


B

Biology & Microbiology

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Answer the following statements true (T) or false (F)

1. The movement of DNA polymerase continues unimpeded if a thymine dimer is present in the DNA double helix. 2. Cells are normally limited to one DNA repair system that corrects DNA mistakes. 3. Patients who suffer from xeroderma pigmentosum (XP) have a defective mismatch repair system. 4. Cancers originate from a single cell.

Biology & Microbiology

The number of parasites per individual is relatively high in most individuals and low in a few individuals

Indicate whether the statement is true or false

Biology & Microbiology

Which of the following objects must be the same sign as the covariance of variables X and Y?

A. Unconditional correlation of X and Y. B. Semi-partial correlation of Y and X holding Z constant. C. Partial correlation of X and Y holding Z constant. D. Semi-partial correlation of X and Y holding Z constant.

Biology & Microbiology

Which of these is an example of maintaining a constant internal environment?

A. sweating in the sun B. running from a dog C. eating a sandwich D. laughing at a joke E. bleeding from a cut

Biology & Microbiology