Confidence in the Reliability of an Experimental Result Increases When

question 18

Multiple Choice

Confidence in the reliability of an experimental result increases when:

• A) the same conclusion is reached using a different method
• B) the experiment is repeated
• C) the experiment is based on a small number of observations
• D) the finding disappears upon the controlled manipulation of a potentially irrelevant variable

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Definitions:

Nonionic Detergent

Detergents that do not carry a charge, making them effective in solubilizing membranes and proteins without affecting their charge.

Molecular Features

The specific structural attributes of a molecule, including shape, functional groups, and bonding patterns.

Phospholipid

A type of lipid molecule that is a major component of cell membranes, consisting of two fatty acids, a phosphate group, and a glycerol backbone.

Hydrocarbon Tails

Long, nonpolar chains of carbon and hydrogen atoms, characteristic of lipids, contributing to their hydrophobic properties.