Vitamins Are Essential Nutrients for Cells Because They Cannot Be

question 170

Multiple Choice

Vitamins are essential nutrients for cells because they cannot be synthesized by the animal itself, and most

• A) are used as an energy source.
• B) function as enzymes to digest foods.
• C) function as coenzymes or parts of coenzymes.
• D) are metabolized into essential amino acids.
• E) are essential macronutrients.

---

Definitions:

Degrees of Freedom

The number of independent values or quantities which can vary in the calculation of a statistic, often linked to the sample size.

Significance Level

The significance level, often denoted as alpha, is the probability of rejecting the null hypothesis in a statistical test when it is actually true, representing the risk of a type I error.

Type I Error

The error made when a true null hypothesis is incorrectly rejected, often referred to as a "false positive."

P Value

The probability of obtaining test results at least as extreme as the results actually observed, assuming that the null hypothesis is true.