If a Biochemist Discovers a New Molecule, Which of the Following

question 28

Multiple Choice

If a biochemist discovers a new molecule, which of the following pieces of data would allow her to draw the conclusion that the molecule is a steroid hormone?
I. The molecule is lipid soluble.
II. The molecule is derived from a series of steps beginning with cholesterol.
III. The molecule acts at a target tissue some distance from where it is produced.
IV. The molecule uses a carrier protein when in an aqueous solution such as blood.

• A) only I and III
• B) only II and IV
• C) only I, III, and IV
• D) only II and III
• E) I, II, III, and IV

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Definitions:

Sample Size

Sample size refers to the number of observations or individuals included in a statistical sample.

Null Hypothesis

A hypothesis that assumes no significant difference or relationship exists between certain variables; it's the default assumption to be tested against.

Research Hypothesis

A statement made by a researcher that predicts a relationship between two or more variables.

Null Hypothesis

A statement used in statistical testing indicating no association or effect between two or more variables.