You Have a Numeric Variable That Records the Number of College

question 38

Multiple Choice

You have a numeric variable that records the number of college credits a person has earned. You want to create a user-defined missing value for person's whose college records were unavailable. Which of the following would be the best user-defined missing value to use?

• A) −1
• B) 0
• C) 99
• D) 250

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Definitions:

NADPH

Nicotinamide adenine dinucleotide phosphate, a coenzyme involved in reductive metabolic processes, providing the reducing power in cellular biochemical reactions.

ATP

Adenosine triphosphate, a molecule that carries energy within cells for metabolism, acting as a primary energy currency in the cell.

ADP

ADP, or Adenosine Diphosphate, is a molecule involved in cellular metabolism. It is converted to ATP for energy storage by the addition of a phosphate group.

Molecule

Two or more atoms joined by chemical bonds.