Which of the following statements is correct ( )
A: A total of 20 different codons represent the genetic code;
B: Different codons may encode the same amino acid;
C: The third bit of the codon has variability.
D: Each nucleotide triplet encodes an amino acid;
A: A total of 20 different codons represent the genetic code;
B: Different codons may encode the same amino acid;
C: The third bit of the codon has variability.
D: Each nucleotide triplet encodes an amino acid;
举一反三
- The three nucleotide group that codes for one amino acid is called A: anti-codon B: RNA C: ribonucleic acid D: codon
- Which of these three-letter codes is correct regarding the amino acid isoleucine?
- What about inserting a base into the coding region of a gene？ A: No impact B: It will change all amino acid sequences of the protein downstream of the insertion point C: Depending on the insertion point, it may have different effects on the protein D: An amino acid will be inserted into the protein sequence E: Three amino acids will be inserted into the protein sequence
- Which of the following amino acid can not produce one carbon unit?
- What<br/>about inserting a base into the coding region of a gene?() A: No<br/>impact B: It<br/>will change all amino acid sequences of the protein downstream of the<br/>insertion point C: Depending<br/>on the insertion point, it may have different effects on the protein D: An<br/>amino acid will be inserted into the protein sequence E: Three<br/>amino acids will be inserted into the protein sequence