Question

A person with type A blood has _______ antibodies circulating through his or her plasma and produces ________ antigens on the cell surface.

a. anti-B and anti-O; A
b. anti-B; B
c. anti-O; A and B
d. anti-B; A
e. anti-A; A and O
f. anti-A; B

Answer 1

Answer:

What is d. anti-B; A

Explanation:

A person with type A blood has Anti-B antibodies circulating through his or her plasma and produces A antigens on the cell surface.

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Answer 2

A person with blood group A will have antibody B in the blood plasma and antigen A will be produced on the cell surface. Therfore option “D” is correct.

What are antibody and antigen?

Antibodies are blood protein that have affinity for antigen. When body is introduced with foreign antigen it elects antibody in response.

Antigen on the other hands are molecules that can produce an immune response. Antigen have epitopes on their surface. Usually they are  protein but they also can be polysaccharides, lipids or nucleic acids.

Blood group A always have antibody B and their cell surface have antigen A. Hence option “D” is correct.

Learn more about ABO blood grouping here:

https://brainly.com/question/20335798

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