<em> DNA replication needs to occur because existing cells divide to produce new cells.Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!</em>
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<em>HOPE</em><em> </em><em>IT</em><em> </em><em>HELPS</em><em> </em><em>YOU</em><em> </em><em>OUT</em><em> </em><em>PLEASE</em><em> </em><em>MARK</em><em> </em><em>IT</em><em> </em><em>AS</em><em> </em><em>BRAINLIEST</em><em> </em><em>AND</em><em> </em><em>FOLLOW</em><em> </em><em>ME</em><em> </em><em>PROMISE</em><em> </em><em>YOU</em><em> </em><em>TO</em><em> </em><em>FOLLOW</em><em> </em><em>BACK</em><em> </em><em>ON</em><em> </em><em>BRAINLY.IN</em></h2>
Answer: genetic variation
The first step in protein synthesis is the transcription of mRNA from a DNA gene in the nucleus. At some other prior time, the various other types of RNA have been synthesized using the appropriate DNA. The RNAs migrate from the nucleus into the cytoplasm.
<span>When an ocean plate slips under another oceanic plate, the denser plate goes into and subducts into the mantle. This causes a partial melting of the thinner and less dense rock. This can end up pushing volcanoes and other formations to sea level.</span>
It is the central vacuole