Everything about Polynucleotide totally explained
A
polynucleotide molecule is an
organic polymer molecule composed of
nucleotide monomers covalently bonded in a chain.
DNA (deoxyribonucleic acid) and
RNA (ribonucleic acid) are examples of polynucleotides with distinct biological function. The prefix
poly comes from the
ancient Greek πολυς (polys,
many).
Polynucleotides in organisms
Polynucleotides occur naturally in all living organisms. The
genome of an organism consists of complementary pairs of enormously long polynucleotides wound around each other in the form of a
double helix. Polynucleotides have a variety of other roles in organisms.
Polynucleotides in scientific experiments
Polynucleotides are used in biochemical experiments such as
polymerase chain reaction (PCR) or DNA sequencing. Polynucleotides are made artificially from
oligonucleotides, smaller nucleotide chains with generally fewer than 30 subunits. An
polymerase enzyme is used to extend the chain by adding nucleotides according to a pattern specified by the scientist.
Further Information
Get more info on 'Polynucleotide'.
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