Biology Molecular Genetics

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Biology: Molecular Genetics

Transcription & Translation

Subtopic

3 bases code for 1 amino acid; codon

Ribonucleic Acid (RNA)

temporary molecule, made when it is needed

a small soluble molecule

no fixed ratio

no presence of thymine, replaced with uracil

Nucleotide

Nitrogen-containing base: Adenine - Thymine Cytosine - Guanine

Phosphate group

Deoxyribose sugar(pentose)

Deoxyribonucleic Acid (DNA)

permanent molecule in nucleus

large insoluble molecue

ratio of A:T and C:G is 1:1