Which is NOT a type of protein?
A.
Fibrous
B.
Membrane
C.
Globular
D.
Unsaturated
The correct answer is:
D. Unsaturated
Explanation:
- A. Fibrous: Fibrous proteins are structural proteins that provide support and strength. Examples include collagen and keratin.
- B. Membrane: Membrane proteins are involved in various functions related to cell membranes, such as transport and signaling.
- C. Globular: Globular proteins are compact, spherical proteins that are often enzymes, hormones, or transport proteins. Examples include hemoglobin and antibodies.
- D. Unsaturated: This term refers to a type of fat or fatty acid, not a protein. Unsaturated fats have one or more double bonds in their hydrocarbon chains and are typically found in oils and fats.
Correct answer: D