A: primary
B: secondary
C: tertiary
D: quartenary
E: all above
举一反三
- The primary structure of a protein is the sequence of amino acids.（）
- Proteins are natural polymers of amino acids with primary structure, secondary structure, tertiary structure and quaternary structure.
- The ___________________ of a protein is its unique sequence of amino acids.
- The primary structure of a food protein molecule refers to a linear sequence of amino acids connected by hydrogen bonding.
- β-turns in protein molecules belong to the protein's hierarchical structure? A: Primary structure B: Secondary structure C: Tertiary structure D: Side chain conformation
内容
- 0
All proteins have the primary structure, secondary structure and tertiary structure.
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The β-sheet conformation of a protein can be considered an example of（） A: Primary structure B: Secondary structure C: Tertiary structure D: Quaternary structure
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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
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The primary structure of proteins consists of a sequence of amino acids linked together by peptide bonds and includes any disulfide bonds.
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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