For an Athlete Exercising at a Moderate Intensity, Fat Use

question 7

Multiple Choice

For an athlete exercising at a moderate intensity, fat use as a fuel is limited until the athlete has been working out for at least ____ minutes.

• A) 5
• B) 10
• C) 15
• D) 20
• E) 40

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Definitions:

Double-stranded DNA

The normal form of DNA, consisting of two parallel strands of nucleotides wound around each other in a helix.

RNA Molecule

A nucleic acid present in all living cells. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins.

Ribosomes

Cellular structures that facilitate the translation of mRNA into proteins by linking amino acids together.

Ricin

A highly toxic protein derived from the seeds of the castor oil plant, Ricinus communis, used historically in bioterrorism and research.