B-cell development has one checkpoint to determine if V-DJ rearrangement has produced a successful VH-DJH combination that does not recognize self
If no successful combination is produced, then the B cell will undergo apoptosis. At what point of B-cell development does this checkpoint occur?
A. Pre-pro B cell
B. Early pro B cell
C. Late pro B cell
D. Late pre B cell
E. Immature B cell
C
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Antibodies are produced by B lymphocytes
Indicate whether the statement is true or false.
Injecting a TCR transgenic mouse with the peptide that it recognizes would result in an increase in which process?
A. Positive selection B. Negative selection C. Complement fixation D. Phagocytosis E. All of the above
Identify the branch of classical mechanics that defines how objects move.
a. kinematics b. dynamics c. Kinesiology d. kinetics e. statics
Anterior instabilities account for 95 percent of all recurrent instabilities of the shoulder and usually results after an acute anterior dislocation.
Answer the following statement true (T) or false (F)