In HIV-infected patients, there is a gradual loss of CD4+ T cells over time. These cells, also called T helper cells, organize the immune system's attack on disease-causing invaders, like Salmonella.

6 0

3 years ago

Electromagnetic waves differ in

nlexa [21]

I think the answer is b. wavelength (:

4 0

3 years ago

Human made gases that contain a combination of chlorine, fluorine, and carbon. The combination of these gases put a hole in Eart

dalvyx [7]

The answer is.. C

HOPE THis helps!!

8 0

2 years ago

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Which is a characteristic of a virus, but NOT a bacterium?

Eva8 [605]

I would have to say A) capsid

3 0

3 years ago

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