What type of interaction stabilizes the tertiary structure of proteins?
Correct Answer: Hydrophobic interactions, ionic interactions, hydrogen bonds, and covalent bonds.
- Step 1: Understand that proteins are made of long chains of amino acids.
- Step 2: Know that the tertiary structure is the overall 3D shape of a protein.
- Step 3: Learn that this shape is important for the protein's function.
- Step 4: Identify the types of interactions that help hold this shape together.
- Step 5: Recognize that hydrophobic interactions occur when non-polar parts of amino acids avoid water and group together.
- Step 6: Understand that ionic interactions happen between positively and negatively charged parts of amino acids.
- Step 7: Realize that hydrogen bonds form between hydrogen atoms and electronegative atoms like oxygen or nitrogen.
- Step 8: Acknowledge that sometimes covalent bonds, like disulfide bridges, can also help stabilize the structure.
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