-Based on the Phylogeny Figure, HIV-1 (Strain 1) and HIV-2

question 73

Multiple Choice

-Based on the phylogeny figure, HIV-1 (strain 1) and HIV-2 (strain 2)

• A) both evolved from SIV-chimpanzee (strain 2).
• B) both evolved into SIV-sooty mangeby monkey.
• C) share the least DNA in common.
• D) evolved into HIV-2 (strain 1).
• E) became SIV-mandrill.

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Definitions:

Sodium-Potassium Pump

A vital cell membrane protein that transports sodium ions out of and potassium ions into cells, maintaining cellular electrochemical gradients.

Carrier Protein

A type of membrane protein involved in facilitated diffusion, helping to transport substances across a cell membrane without expenditure of energy.

Sodium Ion

An atom of sodium that has lost one electron to form a positively charged ion (Na+), crucial for nerve transmission and fluid balance in the body.

LDL Cholesterol

Low-density lipoprotein cholesterol, often referred to as "bad" cholesterol, which can accumulate and form plaques in arteries, leading to cardiovascular disease.