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1 vote
What is an antigen?

a
σ
OOOO
ο
A protein on the surface of red blood cells
A protein hidden inside red blood cells
A pathogen found in blood
The liquid containing blood cells
d.

What is an antigen? a σ OOOO ο A protein on the surface of red blood cells A protein-example-1

2 Answers

6 votes

Answer:

A

Step-by-step explanation:

User Subhasmith Thapa
by
3.6k points
2 votes
I think the answer would be A
User Exenza
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3.6k points