The function of the rugae of the stomach is to:

a. secrete amylase.
b. crush the food.
c. increase the holding capacity of the stomach.
d. mix the food with gastric juices.
e. increase the surface area for secretion.


C

Biology & Microbiology

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Protein synthesis inhibitors have a low therapeutic index because they usually cannot discriminate between prokaryotic and eukaryotic ribosomes.

Answer the following statement true (T) or false (F)

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An organism that uses light for energy and carbon dioxide as a carbon source is a

A) Chemoorganoheterotroph B) Chemolithoautotroph C) Photolithoautotroph D) None of the above

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When you look at an image, it is inverted on the back of the retina and yet appears right-side-up when perceived in the brain. What part of the body is responsible for inverting the image?

Select one: a. the retina b. the rods and cones c. the optic nerve d. the brain e. the lens

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