How Is a T-Cell Receptor Different from a B-Cell Receptor

question 77

Multiple Choice

How is a T-cell receptor different from a B-cell receptor?

• A) T-cell receptors must have antigen broken down inside a cell and presented to them by a major histocompatibility complex (MHC) molecule.
• B) B-cell receptors must have antigen broken down inside a cell and presented to them by a major histocompatibility complex (MHC) molecule.
• C) T-cell receptors are composed of four protein chains (pieces), while B-cell receptors are composed of only two chains.
• D) T-cell receptors are eventually secreted into the bloodstream by activated T-cells, whereas B-cell receptors are not; they always stay with the B-cell.
• E) B-cell receptors are composed of chains of amino acids, while T-cell receptors are composed of chains of carbohydrates.

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Definitions:

Marginal Revenue

The additional income received from selling one more unit of a good or service; this is crucial for businesses in determining how many units to produce.

Average Revenue

The total revenue generated by a firm divided by the quantity of goods or services sold, indicating the average amount of money made per unit.

Competitive Firms

Enterprises that operate in a market where they have to compete against other firms for the same customers or resources.

Average Revenue

The revenue a firm receives per unit of output sold, calculated by dividing total revenue by the quantity of output.