A Person Is in Negative Nitrogen Balance When His

question 92

Multiple Choice

A person is in negative nitrogen balance when his

• A) dietary nitrogen drops below the recommended daily allowance.
• B) fecal nitrogen excretion exceeds his urinary nitrogen excretion.
• C) diet contains more nonessential amino acids than essential amino acids.
• D) urinary nitrogen excretion exceeds his dietary nitrogen intake.
• E) dietary nitrogen intake exceeds his urinary nitrogen excretion.

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Definitions:

Nuclear Receptor Model

Describes the mechanism by which certain types of receptors within cells bind to specific molecules, like hormones, and regulate gene expression.

Messenger RNA

A type of RNA that conveys genetic information from DNA to the ribosome, where it specifies the amino acid sequence of the protein products.

Synthesized Proteins

Proteins created through the process of translation where ribosomes construct protein molecules from RNA messages.

Intracellular Mediator

A substance inside a cell that transmits signals from a receptor to a target, often amplifying the signal and resulting in a cellular response.