This Reagent Is Used to Demonstrate a Positive Phenylalanine Deaminase $\alpha$

question 3

Multiple Choice

This reagent is used to demonstrate a positive phenylalanine deaminase test.

• A) 10% ferric chloride
• B) Methyl red
• C) \(\alpha\)-Naphthol
• D) 40% sodium hydroxide

---

Definitions:

Standard Deviation

A determination of the magnitude of variation or dispersion among values in a set.

Sample Mean

The average of the values in a sample, serving as an estimate of the population mean and used to make inferences about the population.

Exam Papers

Documents containing questions or problems used to test a student's knowledge on a particular subject.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, often used to estimate population parameters.