Which of the Following Statements Are True of the Digestive

question 10

Multiple Choice

Which of the following statements are true of the digestive processes (Select all that apply) ?

• A)Chewing and the churning of the stomach are the only forms of mechanical digestion.
• B)Chemical digestion requires enzymes,each of which is specific for one type of food.
• C)An enzyme that requires a pH of 2 usually will not work at a pH of 8.
• D)Mechanical digestion is helpful because it increases the surface area of food for enzymes to function efficiently.

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Definitions:

Hypothesis Testing

A statistical approach that utilizes data from a sample to test a theory regarding a population's parameter.

Normally Distributed Population

A population in which the data follows a normal distribution, having a bell-shaped frequency distribution curve.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values.

T Critical Value

The value from the t-distribution that is associated with a specified level of significance for a two-tailed test.