If a patient lacks B cells, the resulting disease is

A. SCID.
B. AIDS.
C. Di George's syndrome.
D. agammaglobulinemia.


D

Biology & Microbiology

You might also like to view...

The actual transport of protons by the proton pump is mediated by a transmembrane protein which undergoes a change in its  

A.  conformation. B.  amino acid sequence. C.  net charge. D.  solubility. E.  immunity.

Biology & Microbiology

Which cell feature is absent in bacterial cells?

a. ribosomes b. cytoplasm c. nucleoid d. nucleus e. DNA

Biology & Microbiology

Which step in making beer involves sprouting and softening the barley to release amylases to act on starch and proteases to digest protein?

A. Preparing a mash B. Fermentation C. Wort boiled with hops D. Aging E. Malting

Biology & Microbiology

Which one of the following is NOT considered to be one of the macronutrients needed by plants?

A. manganese B. nitrogen C. phosphorus D. sulfur E. potassium

Biology & Microbiology