10 Questions
What is the primary feature of an 𝖺-helix structure in proteins?
Hydrogen bonding between the 1st and 4th peptide bonds
What type of bonds are involved in the quaternary structure of proteins?
Non-covalent interactions such as H, ionic and hydrophobic interactions
What is the defining characteristic of conjugated proteins?
They contain amino acids and other organic or inorganic components
What is the primary consequence of hypervitaminosis D?
Hypercalcemia leading to kidney stones
What is the primary source of essential minerals for most people?
A mixed diet
𝛽-sheets are a type of secondary structure found in keratin of hair and nails.
False
The quaternary structure of proteins is determined by covalent bonds.
False
Collagen is a globular protein with quaternary structure.
False
All vitamins can be synthesized by the body.
False
Hypervitaminosis can occur by feeding.
False
Test your knowledge of proteins, peptides, and amino acids, including the formation of peptide bonds, the four levels of protein structure, and examples of polypeptide hormones. Learn about the building blocks of life and how they come together to form complex proteins.
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