Which Type of Molecule Contains - NH₂ groups

question 31

Multiple Choice

Which type of molecule contains - NH₂ groups?

• A) nucleic acid
• B) protein
• C) triglycerides
• D) carbohydrate

Understand and apply basic unit conversions in measurements.

Interpret and perform calculations with significant figures.

Differentiate between accuracy and precision in scientific measurements.

Describe the concept of density and its calculation from mass and volume.

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Definitions:

Experimental Group

In research, the group of subjects that receives the treatment or intervention being tested, as opposed to the control group.

Confidence Level

A statistical measure that quantifies the uncertainty or certainty in a sampling method.

Margin of Error

A measure of the accuracy of a public opinion poll, reflecting the maximum expected difference between the poll's results and the actual opinion of the total population.

Experimental Result

The outcome or data obtained from conducting a scientific experiment.