Polypeptide Synthesis (HSC SSCE Biology): Flashcards
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Central dogma of molecular biology
Central dogma of molecular biology
DNA → RNA → Protein
What are codons?
What are codons?
Triplets of bases coding for amino acids
Define polypeptide
Define polypeptide
Chain of amino acids joined by peptide bonds
Two main stages of polypeptide synthesis
Two main stages of polypeptide synthesis
Transcription and translation
Three ways RNA differs from DNA
Three ways RNA differs from DNA
Single-stranded, ribose sugar, uracil instead of thymine
Function of mRNA
Function of mRNA
Carries transcribed copy from nucleus to ribosomes
What tRNA carries at its two ends
What tRNA carries at its two ends
Anticodon at one end, amino acid binding site at other
What are exons?
What are exons?
Coding sequences translated into amino acid chains
Start codon in genetic code
Start codon in genetic code
AUG
Degeneracy of genetic code means
Degeneracy of genetic code means
Multiple codons code for same amino acid