Quaternary Structure and Summary – Peptides
About the Lecture
The lecture Quaternary Structure and Summary – Peptides by Kevin Ahern, PhD is from the course Biochemistry: Basics.
Included Quiz Questions
Which of the following, protein structures, is not stabilized by hydrogen bonds?
- Primary
- Secondary
- Tertiary
- Quaternary
- Binary
In membrane-bound proteins, where are the hydrophobic amino acids preferentially located?
- Lipid bilayer
- Surface of cell
- Amino terminus
- Carboxyl terminus
- In the cytoplasm of the cell
Which of the following is NOT true regarding the quaternary structure of proteins?
- Myoglobin is composed of two alpha and two beta chains of hemoglobin.
- The quaternary structure of a protein consists of an aggregation of two or more polypeptide chains.
- In the quaternary structure, the main interactions between different polypeptide chains are disulfide bonds, ionic bonds, metallic bonds, hydrogen bonds, and hydrophobic interactions,
- In the quaternary structure of a protein, the individual polypeptide units act as a single functional supermolecule.
- The hemoglobin is a heterotetrameric protein composed of two alpha and two beta chains of hemoglobin.
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Author of lecture Quaternary Structure and Summary – Peptides
Kevin Ahern, PhD
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enriching lecture
By Badr L. on 11. September 2018 for Quaternary Structure and Summary – Peptides
thanks for teaching me in such a clear, precise, and yet enriching way
