____ Is Lightweight, Having a Specific Gravity of Only 2

question 16

Multiple Choice

____ is lightweight, having a specific gravity of only 2.7 times that of water and approximately one-third that of steel.

• A) Tin
• B) Lead
• C) Aluminum
• D) Bauxite

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Definitions:

Protein Metabolism

The process by which proteins are synthesized, broken down, and converted into other proteins or forms of energy within the body.

Ammonia

A colorless gas with a distinct, pungent smell, NH3, used in various industrial processes and also produced as a waste product in organisms.

Urea

A nitrogenous compound produced in the liver as a waste product of protein metabolism and excreted in urine.

Oxidative Deamination

Removal of the amine group of an amino acid to form a keto acid, ammonia, and NADH.