What is the name of the immune cells that develop from B lymphocytes and secrete antibodies?
A) plasma cells
B) killer T-cells
C) memory T-cells
D) helper T-cells
Ans: A) plasma cells
You might also like to view...
When odorant molecules contact the dendritic processes of olfactory receptors the initial response is
A) an action potential. B) activation of a kinase. C) a generator potential. D) a hyperpolarization potential. E) a conversion of 11-trans retinal to 11-cis retinal.
Which of the following would NOT cause the membrane potential to change from -70 mV to +30 mV?
A. Sodium ions entering the cell. B. Potassium ions leaving the cell. C. Calcium ions entering the cell. D. Chloride ions leaving the cell.
Which of the following constitutes the primordial follicle?
a. primary oocyte b. polar body c. granulosa cells d. primary oocyte and polar body e. primary oocyte and granulose cells
If the field diameter is 8mm, and an object occupies one-half of the field, the object is approximately ________ wide
A) 2 mm B) 4 mm C) 6 mm D) 7 mm