Antigens are foreign substances recognized by _____.
A) macrophages
B) T cells
C) B cells
D) all of these
Ans: D) all of these
You might also like to view...
The special type of cell division required to produce gametes is called
A) mitosis. B) meiosis. C) maturation. D) capacitation. E) fertilization.
Which of the following is a double-stranded protein that blocks actin-binding sites?
A) myosin B) DNA C) tropomyosin D) troponin
John sees Martha; the pupils of his eyes dilate. It is "love at first sight." What division(s) of the ANS is/are involved?
A. Somatic motor division B. Sympathetic division C. Parasympathetic division D. Both "Sympathetic division" and "Parasympathetic division" are correct.
Which portion of the brainstem is continuous with the spinal cord?
A. Cerebral peduncles B. Pons C. Thalamus D. Medulla oblongata E. Midbrain