An abnormal cell would be identified by the immune system because it showed

A) Class I MHC proteins.
B) Class II MHC proteins.
C) Class I MHC proteins with an antigen bound.
D) Class II MHC proteins with an antigen bound.
E) a CD3 receptor complex in the membrane.


C

Anatomy & Physiology

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The fibrous tunic of the eye is composed of two parts. What are they?

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Opening and closing of the heart valves is caused by ________.

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