The _____ of a physical activity refers to the amount of physical exertion required during the activity.
a. frequency
b. repetition cycle
c. exhaustion factor
d. intensity
Q. 2A mutation is an alteration of the amino acid sequence of a gene.
Indicate whether the statement is true or false
Q. 3Amino acids that cannot be made by the body are called _____ amino acids.
a. conditionally essential
b. hydrolyzed
c. -keto
d. essential
Q. 4To improve cardiovascular fitness, _____ workout sessions per week are optimal.
a. 1-2
b. 3-5
c. 6-8
d. 9-12
Q. 5The study of the interaction of nutrition and genetics to influence health is called nutrigenomics.
Indicate whether the statement is true or false
Q. 6In total, humans need how many different amino acids?
a. 14
b. 18
c. 20
d. 24
Q. 7Guidelines often used to either design or evaluate a physical fitness program are collectively known as the FITT principle. FITT stands for _____.
a. fast, intervals, tendons, and talent
b. frequency, intensity, type, and time
c. fun, increasing, try, and today
d. feasible, intervals, triceps, and theory
Q. 8Shaking and the addition of alcohol, salts, or detergents can denature a protein.
Indicate whether the statement is true or false
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