RNA: Ribonucleic Acid (Structure)
RNA is found in the nucleus of some viruses and in the cytoplasm of
all cellular organisms. It is the genetic material necessary to make
proteins. RNA and DNA have similarities and differences. Like DNA, RNA molecules are
composed of nucleotides. Unlike DNA, the pentose ring is a ribose (it contains an
oxygen atom absent in DNA). Instead of thymine, RNA has a nitrogenous base called
uracil. DNA is a double helix, while RNA is single-stranded. MORE!
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