The correct option is D.
A virus refers to an infectious micro organism that is made up of nucleic acid molecule that is enclosed within a protein coat. Viruses are only able to reproduce and multiply when they come in contact with living cells, in the absence of living cells they remain dormant and they do not show any sign of been a living thing. The nuclei acid molecule of a virus can be in form of a DNA molecule or a RNA molecule.
Answer:
The damage to ozone layer is done by halogens such as Chlorine and Bromine.
Answer:
The answer would be C. This is because the nucleus of a cell is responsible for the creation of ribosomes. Hope this helps you :)
Answer:
D
Explanation:
Two sex cells, the gamete and the sperm, come together to make the body cells, so the number of chromosomes for a body cell must be double that of a sex cell, 46/2=23
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A. Photosynthesis. Every plant can do this, fundamental process, and we can call, this, photosynthesis. I hope this helped you!
