Answer:
The correct answer is- C. double or single-stranded DNA or double or single-stranded RNA.
Explanation:
All the viruses are intracellular parasites which means they obtain their nutrition from their host. Viruses do not have cellular level of organization. They only have their nucleic acid which is surrounded by a protein coat called a capsid.
The nucleic acid in viruses can be of different types. It can be single or double-stranded DNA or single or double-stranded RNA. Their genome can be linear or circular. They inject their genetic material in their host and introduce it in the host genome. Therefore the correct answer is C.
Answer:
what are you trying to ask about?
It is twisted to create a greater surface area for digesting and to increase the nutrient absorption.
Positive feedback is a control system that sends a signal to ( increase) a response.
<span>the Structureas that help regulate the body temperature are:
blood vessels and sweat glands.
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