Main Effect Hypotheses Focus on the Effect of _____ Independent

question 143

Multiple Choice

Main effect hypotheses focus on the effect of _____ independent variable(s) on the _____ variable.

• A) a single; dependent
• B) multiple; dependent
• C) a single; moderator
• D) multiple; moderator

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Definitions:

Active Transport

The movement of molecules across a cell membrane from a lower to a higher concentration, requiring energy.

Mitochondria

Organelles within cells that are the sites of aerobic respiration, providing energy for cellular functions.

Concentration Gradient

A variation in the concentration of a substance across a distance, leading to the movement of particles from an area of high concentration to one of lower concentration.

Carrier Molecules

Proteins that facilitate the transport of substances across a cell membrane without modification of the transported substance.