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RNA stands for ribonucleic acid.
It is a polymer, similar in structure to DNA, apart from the fact that it is single-stranded and the sugar within each nucleotide is ribose, not deoxyribose.
The functions of RNA within cells include copying the DNA sequences from chromosomes and taking these sequences to the ribosomes where proteins are synthesised, as well as binding with amino acids and bringing them to the ribosomes for assembly into the coded proteins.
Anne Evans
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