The chemical digestion of which macromolecule occurs in the mouth?

a. carbohydrates
b. proteins
c. lipids
d. all of these


A

Biology & Microbiology

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All of the following with one exception are

part of an African savanna community. Select the exception.

a. a pride of lions b. Elephant grass c. African wild dogs d. low fertility soils e. Zebras

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The letter “B” in the above figure represents

a. cortex. b. cornea. c. fovea. d. blood vessels. e. optic nerve.

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Segments of DNA that increase the rate of transcription of certain genes are known as ________

A) enhancers B) polymerases C) short tandem repeats D) introns

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The bulk of an herbaceous eudicot root consists of loosely arranged parenchyma cells in the:

a. endodermis. b. pericycle. c. epidermis. d. cortex. e. periderm.

Biology & Microbiology