To the best of my knowledge, there are only two and they would be ribose and deoxyribose
hope this helps if not just let me know
Answer:
DNA mutation causes genetic variation by altering the genes of individuals in a population. Gene flow leads to genetic variation as new individuals with different gene combinations migrate into a population.
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism’s DNA that create diversity within a population by introducing new alleles.
The first top one is right
There are 2 of them :-
1) Phagocytes
2) Macrophages.
These WBCs attach themselves to disease causing pathogens & then engulf them resulting in the destruction of the pathogens.
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Hope it helps!
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