If a Pregnancy Test Can Detect Pregnancy Within Two Weeks

question 173

Multiple Choice

If a pregnancy test can detect pregnancy within two weeks after fertilization, it most likely works by:

• A) detecting the hormone human chorionic gonadotropin in the woman's urine
• B) detecting a rise in the woman's body temperature from 98.6 to about 99.3
• C) detecting the presence of a much higher percentage of alpha brain waves during the woman's sleep cycles
• D) detecting a dramatic increase in the acidity of the woman's urine

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Definitions:

Proteins

Large, complex molecules made up of amino acids that perform a variety of functions in the body, including catalysis, structure, and transport.

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate into carbon dioxide.

Electron Transport Chain

A series of protein complexes that transfer electrons from electron donors to electron acceptors via redox reactions, coupled with the transfer of protons across a membrane to generate ATP.

NADH

NADH denotes Nicotinamide Adenine Dinucleotide (reduced form), a coenzyme that plays a critical role in the production of energy through the process of cellular respiration.