Which component becomes oxidized in the following chemical reaction? 4 Fe + 3 O2 ? 2 Fe2O3

a. rust
b. iron
c. water
d. oxygen
e. hydrogen


b

Biology & Microbiology

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________ is customized medicine based on a person's genetics

A) Genomics B) Bioinformatics C) Bioremediation D) Pharmacogenomics E) Recombinant DNA technology

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Maintenance of the resting membrane potential is accomplished by:

a. saltatory conduction down the axon. b. an excess of calcium ions outside the myelin sheath. c. an accumulation of more positive ions outside the neuron than inside. d. the voltage-gated potassium ion channels. e. the storage of acetylcholine in the nerve terminal.

Biology & Microbiology

In mammals, which of the following excretory tubule segments consumes the most ATP?

a. the Bowman's capsule b. the proximal convoluted tubule c. the distal convoluted tubule d. the ascending segment of the loop of Henle

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The parotids and submandibular (submaxillary) glands are examples of

A. exocrine glands. B. endocrine glands. C. both endocrine and exocrine glands. D. neither endocrine nor exocrine glands.

Biology & Microbiology