HIV Part 1

Question 1

HIV is a(n) _______ that contains reverse transcriptase.

A.) non-enveloped, RNA virus

B.) non-enveloped, DNA virus

C.) enveloped, RNA virus

D.) enveloped, DNA virus

Answer 1

C.) enveloped, RNA virus

Question 2

Present in individuals all over the globe; not including Western Africa.

A.) HIV-1

B.) HIV-2

Answer 2

A.) HIV-1

Question 3

Confined to the regions of Western Africa.

A.) HIV-1

B.) HIV-2

Answer 3

B.) HIV-2

Question 4

Trace the pathway of reverse transcription.

Answer 4

RNA → DNA → mRNA → viral proteins

Question 5

HIV targets the white blood cells, immune cells, and leukocytes of the host. Specifically, HIV targets ________.

Answer 5

CD4+ cells

Helper T cells

Question 6

This peplomer (glycoprotein spike) is important for **targeting to immune cells**.
Facilitates attachment and entry of the virus to the host cell.

A.) gp120 (glycoprotein 120)

B.) gp41 (glycoprotein 41)

Answer 6

A.) gp120 (glycoprotein 120)

Question 7

This peplomer (glycoprotein spike) is important for membrane fusion. HIV nucleocapsid enters the host cell when the viral envelope fuses with the host plasma membrane.

A.) gp120 (glycoprotein 120)

B.) gp41 (glycoprotein 41)

Answer 7

B.) gp41 (glycoprotein 41)