Which of the following cells can serve as antigen-presenting cells?
a. macrophages, basophils, and B cells
b. dendritic cells, B cells, and T cells
c. macrophages, dendritic cells, and B cells
d. B cells, T cells, and basophils
e. macrophages, T cells, and basophils
C
You might also like to view...
Describe the general structure of amino acids
What will be an ideal response?
Why has it been difficult to generate drugs to treat AIDS?
A. HIV mutates rapidly among infected humans. B. People with HIV infections die very rapidly, before the drugs have a chance to cure them. C. HIV does not cause AIDS. D. HIV does not use any enzymes that can be targeted by drugs. E. The only way to kill a virus is with a vaccine, not with drugs.
What is the function of reverse transcriptase in retroviruses?
A) It uses viral RNA as a template for DNA synthesis. B) It converts host cell RNA into viral DNA. C) It translates viral RNA into proteins. D) It uses viral RNA as a template for making complementary RNA strands.
During the elongation stage of translation, _____ are formed between _____.
A) covalent bonds, phosphate groups B) phosphate bonds, nucleotides C) hydrogen bonds, base pairs D) peptide bonds, amino acids