Which antibody makes up about 80% of the antibodies in the blood?
a. IgA
b. IgD
c. IgE
d. IgG
e. IgM
D
You might also like to view...
How are C4 plants able to increase the concentration of CO2 at rubisco?
A. by operating the C4 acid cycle faster than the Calvin cycle B. by suppressing photorespiration C. by using ATP to produce PEP D. by fixing HCO3 - instead of CO2 E. by using PEP carboxylase, which is not affected by O2
Peripheral proteins are linked to either surface of the plasma membrane by:
a. covalent disulfide bonds. b. associating with fatty acids through hydrophobic interactions. c. associating with glycoproteins on the inner membrane surface. d. bonding to integral proteins through noncovalent interactions. e. embedding in one side of the membrane and, thus, not extending through to the other side.
The Ebola virus targets cells of the
a. liver. b. kidney. c. spleen. d. liver and spleen.
Parasitic helminths have the following characteristics, except
A. they have a definitive host where the adult form lives. B. they include tapeworms. C. they are multicellular animals. D. they have developmental forms that include cysts. E. they include roundworms.