The Trace Element Needed as a Cofactor for Hemoglobin Synthesis

question 130

Multiple Choice

The trace element needed as a cofactor for hemoglobin synthesis is

• A) zinc.
• B) copper.
• C) cobalt.
• D) iodine.
• E) silicon.

---

Definitions:

Null Hypothesis

A statement or hypothesis set for statistical testing, suggesting no significant effect or relationship between variables.

Population Parameter

A characteristic or measure that describes an aspect of an entire population, such as its mean or variance.

Value

The importance, worth, or usefulness of something or a numerical quantity assigned to a variable.

Type II Error

The error made in statistical testing when a false null hypothesis is not rejected.