10 Questions
What is the primary antibody type secreted in the initial immune response?
Immunoglobulin M (IgM)
When do peak levels of IgG occur after infection?
About 3 weeks after infection
Which type of antibodies are induced in the secondary response following a booster injection?
IgG, IgA, and IgE
What are the two components of an immunoglobulin?
Two heavy chains and two light chains
Which regions of the immunoglobulin are associated with the antigen binding sites?
$V_H$ & $V_L$
What is the functional unit of the muscle?
Sarcomere
What is the site of storage of Ca2+ in muscle fibers?
Sarcoplasmic reticulum (SR)
What attaches the thick filaments to Z lines in a sarcomere?
Titin
What transmits action potential from the surface of muscle fiber to inside the fiber?
T-tubules
What is the composition of each myosin molecule?
2 heavy chains and 4 light chains.
Test your knowledge of the primary and secondary immune response. Learn about the production of antibodies and the transition from IgM to IgG in response to antigens.
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