Adenine, Guanine, Thymine and Cytosine are 4 nitrogenous bases that belong to
DNA
RNA
n...
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What are two reasons for why a species might disappear from the fossil record?
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Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs
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Which of the following is a true statements about viruses? viruses have no nucleus. viruses are alive. viruses have a cell membrane. all viruses are deadly.
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Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)
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