A codon AUG is a:
A: Chain-initiating codon
B: Chain-terminating codon
C: Releasing factor for peptide chains
D: Recognition site on the tRNA
A: Chain-initiating codon
B: Chain-terminating codon
C: Releasing factor for peptide chains
D: Recognition site on the tRNA
举一反三
- Which<br/>of the following is barely involved in translation termination?() A: stop<br/>codon B: AUG<br/>codon C: release<br/>factor D: peptidyl<br/>transferase
- Genes with high expression levels are more likely to use ________. A: Prefer codons B: Rare codons C: Start codon D: Stop codon
- Which of the following descriptions about β-sheet is correct? A: It belongs to the tertiary structure of proteins B: Two peptide chains can not be anti-parallel C: The side chain of amino acids alternately is located above the peptide unit D: The skeleton of the main chain is zigzag E: There is no hydrogen bond between β-sheet peptide chains
- The spacial conformation of protein is mainly determined by: () A: the<br/>sequence of amino acid B: α-helix<br/>and β-pleated sheets C: the<br/>side chain of amino acid in the peptide D: peptide<br/>bond in the peptide chain E: the<br/>location of disulfide bond in the peptide chain
- The three nucleotide group that codes for one amino acid is called A: anti-codon B: RNA C: ribonucleic acid D: codon