Plasma cells
A. produce antibodies.
B. kill infected cells.
C. mature in the thymus.
D. remain present in the body at low levels after an infection.
E. secrete cytokines.
A. produce antibodies.
You might also like to view...
Gene regulation can involve a protein repressor that blocks ________ from initiating transcription.
A. rRNA B. RNA polymerase C. DNA polymerase III D. DNA polymerase I E. mRNA
What is meant by the term heritability? Describe the components of heritability and provide a brief explanation of each. Of what interest is heritability to animal and plant breeders?
What will be an ideal response?
Which statement below is FALSE regarding this chemical equation? ADP + P ® ATP
A. This reaction is known as phosphorylation. B. This reaction occurs in photosynthesis and cellular respiration. C. This reaction represents energy being released into the environment for cellular use. D. This reaction represents the formation of a high-energy phosphate bond.
Cholesterol serves several essential functions in mammalian cells. Which of the following is not influenced by cholesterol?
(a) membrane permeability (b) membrane fluidity (c) membrane rigidity (d) membrane thickness