What is the function of the rugae, or folds in the stomach?

A) The rugae push food down toward the intestine.
B) The rugae allow the stomach to expand when food enters.
C) The rugae manufacture bile.
D) The rugae neutralize excess acid.


Answer: B

Biology & Microbiology

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All of the following features are true of primates except  

A.  they are mammals with grasping fingers and toes. B.  they belong to the order containing lemurs, monkeys, and apes. C.  they have binocular vision. D.  they have prehensile tails.

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Could two phenotypically normal parents have an affected child?

a. Yes b. No

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Sucrose is composed of

a. two molecules of fructose. b. two molecules of glucose. c. a molecule of fructose and a molecule of glucose. d. a molecule of fructose and a molecule of galactose. e. two molecules of galactose

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Photosynthetic bacteria are examples of autotrophs

Indicate whether the statement is true or false

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