Which of the following is true of dna only?
only dna can be read by trna molecules during replication.
only dna contains adenine, guanine, and cytosine in a sequence.
only dna has a single stranded structure.
only dna serves as the master copy of an organism's genetic code.

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How do cells grow and reproduce to maintain homeostasis?

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim