AP BIOLOGY

HEREDITY

MULTIPLE ALLELES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Name the proteins on the surface of red blood cells.
A
Antibodies
B
Antigens
C
Plasma
D
Collagen
Explanation: 

Detailed explanation-1: -Aside from the sugar (glycan or carbohydrate) antigens, the red blood cell membrane contains three types of protein that carry blood group antigens: single-pass proteins, multi-pass proteins, and glycosylphosphatidylinositol (GPI)-linked proteins.

Detailed explanation-2: -Abstract. The surface of the human red blood cell is dominated by a small number of abundant blood group active proteins. The major proteins are the anion transport protein (band 3) which has AB(H) activity, and Glycophorin A which has MN activity.

Detailed explanation-3: -The surface of every red blood cell (RBC) is coated with antigens (sugars and proteins) that are integrally linked to membrane proteins or lipids.

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