Answer:
A virus is a tiny infectious biological agent that can only replicate or duplicate inside the host cell. These infectious agents can infect all different types of living organisms ranging from animals and plants to microorganisms and archaea and bacteria.
Virions are ineffective particle or form of the virus outside of the host cell, with RNA or DNA and a protein capsid.
The main role of these infectious agent virions is to transfer the DNA or RNA genome from itself to the cell of host and expressed the gene which means produce proteins from the genome transferred to the host cell.
Answer:
D
Explanation:
Improve desirable traits and help determine the heritability of a trait.
This helps them to reproduce much more quickly and without much effort
Answer: Spectrin Protein Is a major component of the cortex in RBCs. mutations in this protein develop a from of anemia that can cause to RBCs to develop a flatened shape, making them extremely fragile.