Clonal selection produces plasma cells that _________.
A) can differentiate into memory cells
B) can live for years
C) are different from one another and produce different antibody molecules
D) are identical to one another and produce identical antibody molecules
Ans: D) are identical to one another and produce identical antibody molecules
You might also like to view...
What determines a different stock?
a. Geographic isolation b. Reproductive isolation c. Different species d. A certain number of individuals
From the outside of a flower to the inside,
which of the following is the correct order of structures?
a. calyx>corolla>stamen>carpel b. corolla>calyx>stamen>carpel c. calyx>corolla>carpel>stamen d. corolla>calyx>carpel>stamen e. calyx>carpel>corolla>stamen
Identical (monozygotic) and fraternal (dizygotic) twins provide a natural experiment for investigating the influence of genetics on traits
Outline a study approach using twins, assuming you could identify enough pairs, in which you are examining the relative contribution of genetics on blood cholesterol level.
In which process is the enzyme nitrogenase most directly involved?
a. nitrification b. ammonification c. nitrogen cycling d. nitrogen fixation