A Vaccine Against HIV

question 88

Multiple Choice

A vaccine against HIV

• A)is available for those who can afford it.
• B)may be impossible due to the variability and diversity of HIV.
• C)consists of cocktails of drugs taken daily.
• D)prevents opportunistic infections.

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Definitions:

Environmental Mercury

Mercury in the environment that can come from natural and anthropogenic sources, posing risks to wildlife and humans.

Fluorescent Light Tubes

Light sources that operate by exciting mercury vapor, which in turn produces short-wave ultraviolet light that causes a phosphor coating on the inside of the tube to glow.

Nutrient Inputs

The addition of essential nutrients into an ecosystem, naturally or through human intervention, to support the growth of its living organisms.

Organism

A living entity characterized by the capacity for metabolism, growth, reaction to stimuli, and reproduction.