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Keywords for B5
21st Century Science OCR

Amino Acids
Amino Acids are the small molecules which are joined up in long chains to make proteins. All the
proteins in living things are made from 20 different amino acids joined in different orders.
A group of proteins made by white…

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Cell division that makes two new cells identical to each other and the parent cell
messenger RNA, a chemical involved in making proteins in cells. The mRNA molecule is similar to DNA
but single stranded. It carries the genetic code from the DNA molecule out of the nucleus…


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