BIO130H1 Chapter Notes - Chapter 2: Ribonucleoside, Thymine, Cell Nucleus

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16 Jan 2018
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BIO130H1 Full Course Notes
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Nucleic acids are macromolecules constructed out of long chains (strands) of monomers called nucleotides: nucleic acids function primarily in the storage and transmission of genetic information, but they may also have structural or catalytic roles. There are two types of nucleic acids found in living organisms, Deoxyribonucleic acid ( dna ) and ribonucleic acid ( rna ) Dna serves as the genetic material of all cellular organisms, though rna carries out that role for many viruses: in cells, information stored in dna is used to govern cellular activities through the formation of rna messages. Each nucleotide in a strand of rna consists of three parts: a five carbon sugar, ribose, a phosphate group, a nitrogenous base (so called because nitrogen atoms form part of the rings of the molecule); and. During the assembly of a nucleic acid strand, the hydroxyl group.

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