a. cells that infect other cells
b. cells that are infectious to humans
c. cells that can replicate only inside other cells
d. prokaryotic
e. none of the above
b. cells that are infectious to humans
c. cells that can replicate only inside other cells
d. prokaryotic
e. none of the above
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Option (e) is correct.
Explanation:
a. Cells that infect other cells __ Viruses are not cells. Viruses are just genetic material (DNA or RNA) with a protein coat called Capsid. Although viruses infect other cells bit they are not cells.
b. Cells that are infectious to humans __ Although viruses are infectious to humans but they are not cells as mentioned above.
c. Cells that can replicate only inside other cells __ Although viruses replicate only inside the host cell and is inactive and just a crystal outside the cell but they are non-cellular.
d. Prokaryotic __ Prokaryotic cells contain a a Cytoplasm, Nucleoid, Cell membrane, Chromosome, Ribosomes etc. but viruses lacks all these.
e. none of the above __ True.
Explanation:
a. Cells that infect other cells __ Viruses are not cells. Viruses are just genetic material (DNA or RNA) with a protein coat called Capsid. Although viruses infect other cells bit they are not cells.
b. Cells that are infectious to humans __ Although viruses are infectious to humans but they are not cells as mentioned above.
c. Cells that can replicate only inside other cells __ Although viruses replicate only inside the host cell and is inactive and just a crystal outside the cell but they are non-cellular.
d. Prokaryotic __ Prokaryotic cells contain a a Cytoplasm, Nucleoid, Cell membrane, Chromosome, Ribosomes etc. but viruses lacks all these.
e. none of the above __ True.
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C
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There is some truth to c. but as cells are not viruses, I would go with e.
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i guess it is "e",but if u can call viruses "cells" c would be correct!