A virus is a small, infectious agent that is made up of a core of genetic material surrounded by a shell of protein. The genetic material (which is responsible for carrying forward hereditary traits from parent cells to offspring) may be either deoxyribonucleic acid (DNA) or ribonucleic acid (RNA). Viruses are at the borderline between living and nonliving matter. When they infect a host cell, they are able to carry on many life functions, such as metabolism and reproduction. But outside a host cell, they are as inactive as a grain of sand.<span>
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Answer:
Keeps the body healthy and fit
nutrition is likely to be function better
Answer:I BELIEVE IS b
Explanation:
Windy things are for power and the power comes from wind
Answer:
More frequent and severe weather. Higher temperatures are worsening many types of disasters, including storms, heat waves, floods, and droughts. ...
Higher death rates. ...
Dirtier air. ...
Higher wildlife extinction rates. ...
More acidic oceans. ...
Higher sea levels.
Explanation:
Answer: Crossing-Over
Explanation: Crossing-over occurs during prophase I, and it is the exchange of genetic material between non-sister chromatids of homologous chromosomes.