• 2022-05-28 问题

    A disulphide bond can be formed between A: Two methionine residues B: Two cysteine residues C: A methionine and a cysteine residue D: All of these

    A disulphide bond can be formed between A: Two methionine residues B: Two cysteine residues C: A methionine and a cysteine residue D: All of these

  • 2021-04-14 问题

    Which of the following amino acids doesn’t belong to essential amino acids?? Methionine|Isoleucine|Valine|Cysteine

    Which of the following amino acids doesn’t belong to essential amino acids?? Methionine|Isoleucine|Valine|Cysteine

  • 2021-04-14 问题

    The most common covalent cross-links in proteins are _________ bonds which link together two –SH groups from cysteine side chains.

    The most common covalent cross-links in proteins are _________ bonds which link together two –SH groups from cysteine side chains.

  • 2022-06-19 问题

    Which of the following amino acids does not exist in protein molecule A: cysteine B: histidine C: citrulline D: arginine E: lysine

    Which of the following amino acids does not exist in protein molecule A: cysteine B: histidine C: citrulline D: arginine E: lysine

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