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RNA and Protein Synthesis
Types of RNA:
There are 3 types of RNA: Messenger RNA, Transfer RNA and Ribosomal RNA.

Messenger RNA (mRNA):

Transfer RNA (tRNA):

Ribosomal RNA (rRNA):

It is made up of polynucleotide strands attached to proteins to create ribosomes. It is the largest
type of RNA.

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Protein Synthesis:

1. DNA double helix unwinds and unzips, to reveal a single-stranded portion.
2. Free RNA nucleotides bind to DNA nucleotides with the complementary bases.
3. RNA polymerase enzyme joins RNA nucleotides together, forming mRNA.
4. DNA coils up again, unchanged.
5. A ribosome attaches to the mRNA and…


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