1. RNA polymerase unzips DNA
2. Free RNA nucleotides pair with complementary DNA nucleotides
3. The mRNA molecule breaks away as the DNA strands rejoin.
Hope this helps!
The _Embryo_ is the answer
Hope this helps
We use a dichotomous key to figure out what kinds of organisms were related to in the past. i'm not ver confident in explaining how it works so you might want to look online.
Answer:infectious disease
Explanation:
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