Answer:
Explanation:
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Vitamin niacin ( vitamin B3)
Answer:
the movement is called as saltation
Explanation:
hope it helps...
Answer:
The correct answer is "They lack an independent metabolism"
Explanation:
Viruses are usually active/alive in a living environment and become inactive in non-living environment; these is because they rely on the metabolic activities of the invaded living environment/cell. This property is a sharp contrast to normal living cells that are able to metabolize different substances independently using several organelles.