Which Source of Protein Does Not Contain the Nine Essential

question 58

Multiple Choice

Which source of protein does not contain the nine essential amino acids?

• A) nuts
• B) eggs
• C) milk
• D) chicken
• E) beef

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Definitions:

Confounding Variables

Factors other than the independent variable that may cause a change in the dependent variable, potentially skewing results in an experiment.

Control Groups

In experiments, the groups that do not receive the experimental treatment and are used as a baseline to compare the effects of the treatment.

Treatment Groups

In experimental research, groups of participants receiving the intervention or treatment being tested, as opposed to control groups which receive no treatment or a placebo.

Experimental Research

A research method that investigates causal relationships by manipulating one variable to see its effect on another, under controlled conditions.