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.
Correct Answer:

Verified
Correct Answer:
Verified
Q72: Which is the most efficient at initiating
Q73: In opsonization with IgG, why would it
Q74: According to the clonal selection theory<br>A) antibodies
Q75: The peptides presented by MHC class II
Q76: Your friend Ellie is pregnant. She tells
Q78: Only antigen-presenting cells<br>A) produce MHC class I
Q79: CD4 cells are also known as <br>A) T
Q80: T cells and B cells are produced
Q81: Epitopes or antigenic determinants<br>A) are parts of
Q82: How long after initiation of a primary