Lymphocytes
A. possess MHC antigens for recognizing self.
B. have membrane receptors that recognize foreign antigens.
C. gain tolerance to self by destruction of lymphocytes that could react against self.
D. develop into clones of B and T cells with extreme variations of specificity.
E. All of the choices are correct.
Select your answer:

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Nutritional Measurements Human Excretory System Skeletal System The Respiratory System Bacteria & Disease Digestive System Medical Terminology Epidemiology Corona Autism Awareness Diseases Key Terms Digestion Cell Structure and Function Concept DNA and Polypeptide Synthesis Selective Breeding HeredityOther quiz:
The Cell Cycle & Cancer › ViewRegion of the condensed chromosomes that looks pinched
A. Chromosome
B. Chromatid
C. Centromere
D. Telomere
The Vascular System and Blood Flow › View
What is the function of the one-way valves in veins?
A. Ensuring the flow of blood can only go back to the heart
B. Creating a difference in pressure between the veins in the chest and abdominal cavities
C. Assisting in the distribution of blood to different organs
D. Regulating blood clotting