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Questions and Answers
What is the primary feature of an 𝖺-helix structure in proteins?
What is the primary feature of an 𝖺-helix structure in proteins?
- Hydrogen bonding between the 1st and 4th peptide bonds (correct)
- Ionic bonding between charged R groups
- Hydrogen bonding between polypeptide chains
- Hydrophobic interaction between non-polar side chains
What type of bonds are involved in the quaternary structure of proteins?
What type of bonds are involved in the quaternary structure of proteins?
- Disulfide bonds between cysteine residues
- Peptide bonds between amino acids
- Covalent bonds between R groups and the polypeptide backbone
- Non-covalent interactions such as H, ionic and hydrophobic interactions (correct)
What is the defining characteristic of conjugated proteins?
What is the defining characteristic of conjugated proteins?
- They are composed of multiple polypeptide chains
- They contain only amino acids
- They are involved in connective tissue
- They contain amino acids and other organic or inorganic components (correct)
What is the primary consequence of hypervitaminosis D?
What is the primary consequence of hypervitaminosis D?
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What is the primary source of essential minerals for most people?
What is the primary source of essential minerals for most people?
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𝛽-sheets are a type of secondary structure found in keratin of hair and nails.
𝛽-sheets are a type of secondary structure found in keratin of hair and nails.
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The quaternary structure of proteins is determined by covalent bonds.
The quaternary structure of proteins is determined by covalent bonds.
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Collagen is a globular protein with quaternary structure.
Collagen is a globular protein with quaternary structure.
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All vitamins can be synthesized by the body.
All vitamins can be synthesized by the body.
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Hypervitaminosis can occur by feeding.
Hypervitaminosis can occur by feeding.
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