Biological Science Freeman Chapter 4
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RNA world hypothesis - controversial hypothesis proposed in the
1980's by a variety of scientists that RNA, not DNA, was the first genetic
material because catalytic RNA can self-replicate without additional
enzymes; ...
RNA world hypothesis - ✔✔controversial hypothesis proposed in the
1980's by a variety of scientists that RNA, not DNA, was the first genetic
material because catalytic RNA can self-replicate without additional
enzymes; this is only one of several alternative hypothesis on the evolution
and formation of long complex biomolecules for self-replicating life
Nucleic Acids - ✔✔The polymer subunits that make up DNA and RNA
Nucleotides - ✔✔Basic units of DNA molecule, composed of a
phosphate, which is bonded to a 5-carbon sugar, and one of 4 DNA bases
Ribonucleotides - ✔✔The polymer subunits of specifically RNA
Deoxyribnucleotides - ✔✔The polymer subunits of specifically DNA
Deoxyribonucleic acid - ✔✔A nucleic acid molecule, usually a double
stranded helix, in which each polynucleotide strand consists of nucleotide
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