How Are Humans Able to Produce Billions of Unique B

question 36

Multiple Choice

How are humans able to produce billions of unique B and T cell receptors?

• A) Each time a pathogen is encountered, a new receptor is produced.
• B) The two different genes that encode receptor proteins allow for many versions of receptors to be produced.
• C) Random splicing of gene segments encoding receptor proteins allows for 2.5 billion potential combinations.
• D) Antigen-presenting cells stimulate B and T cells to each produce billions of receptor molecules.
• E) There are billions of B and T cells, each of which produces a single receptor on its cell surface.

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Definitions:

Probability

The quantification of the probability that an event will happen, represented by a number ranging from 0 to 1, with 0 signifying an impossible event and 1 signifying a certain event.

Income

The money received by a person or organization, typically on a regular basis, for work, through investments, or from other sources.

Expected Value

A calculated measure reflecting the average outcome of a random event when considering all possible outcomes and their probabilities.

Risk Averter

An individual who prefers to avoid risk, often choosing investments or decisions that have lower potential rewards but also less uncertainty.