Within the stomach lining, special cells secrete substances to aid digestion. Which type of cell secretes hydrochloric acid?
A. enteroendocrine cells
B. mucous cells
C. chief cells
D. parietal cells
Answer: D
You might also like to view...
To which of the following classes of sugars does glucose belong?
A) pentose B) hexose C) tetrose D) heptose E) triose
The earliest photosynthetic organisms arose about:a
3.8?4.6 billion years ago. b. 3.1?3.5 billion years ago. c. 1.3 billion years ago. d. 630 million years ago. e. 250 million years ago.
Based on the most recent data available, the protist kingdom is:
a. paraphyletic. b. monophyletic. c. composed only of unicells. d. composed of both eukaryotes and prokaryotes. e. entirely microscopic.
Urine formation initiates with glomerular filtration, a process that relies on filtering large quantities of protein-free plasma into the Bowman's capsule by
A) passive diffusion through porous capillaries. B) active transport from interstitial fluid. C) active transport from paratubular capillaries. D) osmotic transport from lymph fluid. E) micelle transport.