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Questions and Answers
Which of the following statements is true about the generation of antigen receptors in B and T lymphocytes?
Which of the following statements is true about the generation of antigen receptors in B and T lymphocytes?
- Recognition of antigens occurs before receptor generation and expression.
- There are enough genes in the human genome to encode every possible receptor.
- The generation of diverse receptors is not linked to the process of lymphocyte maturation.
- The immune system has mechanisms to generate diverse receptors from a limited number of inherited genes. (correct)
What is the estimated number of clones of lymphocytes with distinct specificities?
What is the estimated number of clones of lymphocytes with distinct specificities?
- More than 109
- 107–109 (correct)
- Less than 107
- Exactly 107
When does recognition of antigens occur in relation to receptor generation and expression?
When does recognition of antigens occur in relation to receptor generation and expression?
- Recognition of antigens does not occur
- During receptor generation and expression
- After receptor generation and expression (correct)
- Before receptor generation and expression
Which of the following is true about antigen receptors expressed on developing lymphocytes?
Which of the following is true about antigen receptors expressed on developing lymphocytes?
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What does the ribbon diagram in the text represent?
What does the ribbon diagram in the text represent?
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What is the function of MHC molecules?
What is the function of MHC molecules?
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