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podryga [215]
3 years ago
9

What does mammals means

Biology
1 answer:
Orlov [11]3 years ago
5 0
A mammal is any animal that has hair,three middle ear bones,and mammary glands.Mammals give live birth as well.
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DNA replication and transcription also occur in the nucleus to form DNA and RNA respectively.

On the other hand, RNA is present in both the nucleus and cytoplasm. The mRNA leaves the nucleus and enters the cytoplasm to serve as a template in protein synthesis. The rRNA and tRNA are also present in the cytoplasm.  

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