You sit next to Uncle Ed, an immunologist, at Thanksgiving dinner. "I'm a 'big eater'," he says, "just like the cells I study." What are the large cells that engulf pathogens that Uncle Ed works with?

A. Monocytes
B. Antibodies
C. Bacteriophages
D. Macrophages
E. Erythrocytes


Answer: D

Biology & Microbiology

You might also like to view...

Which of the following components of the lung secretes a lubricating substance that allows the lung tissues to separate when inflated?

A. Bronchial tube B. Capillary endothelium C. Basement membranes D. Respiratory membrane E. Alveolar epithelium

Biology & Microbiology

Flowering plants use animals or wind to transfer ________ between flowers.

A. megaspores B. seeds C. pollen D. microspores E. ovules

Biology & Microbiology

Pyrogens are

A. fever-inducing substances. B. fever-inhibiting substances. C. phagocytosis-enhancing substances. D. complement activators.

Biology & Microbiology

Cell membranes are characterized by the

presence of

a. triglycerides. b. phospholipids. c. unsaturated fats. d. steroids. e. saturated fats.

Biology & Microbiology