Antibody-mediated immunity is also called humoral immunity
a. True
b. False
ANSWER: True
You might also like to view...
Which group is composed of autotrophs?
A. primary producers B. primary consumers C. secondary consumers D. decomposers
Using the compound light microscope in the lab room, you observe a wet mount slide preparation. You observe layers of cells that have a definite, rigid, rectangular shape; there appears to be a nucleus in all of the cells and there are many oval-shaped green structures that seem to be moving around inside of the cells in an orderly fashion. What general cell type are you most likely observing?
a. prokaryotic and plant c. eukaryotic and plant b. prokaryotic and animal d. eukaryotic and animal
Which of the following describes the overall three-dimensional folding of a polypeptide?
A) Primary structure B) Secondary structure C) Tertiary structure D) Quaternary structure E) None of the above
What is the specific role of Xist in mammalian X-inactivation?
a. It encodes a protein that triggers heterochromatin formation on one X and suppresses it on the other X. b. It is a DNA element acting as a binding site for proteins that trigger heterochromatin formation. c. It produces an antisense RNA that prevents inactivation of one X chromosome. d. It produces an RNA that accumulates on the future inactive X. e. It encodes a transcription factor that activates genes producing proteins that function in X-inactivation.