A Major Difference Between Experiments and Correlational Studies Is

question 208

Multiple Choice

A major difference between experiments and correlational studies is

• A)manipulation of independent variables
• B)control
• C)sampling methods
• D)external validity
• E)control and manipulation of independent variables

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Definitions:

Actin

One of two major proteins of muscle; makes up thin filaments in myofibrils of muscle fibers. See also myosin.

Myosin

A type of protein found in muscle tissue as a thick filament that plays a key role in muscle contraction and movement.

Sarcolemma

Plasma membrane of a muscle fiber; also forms the tubules of the T system involved in muscular contraction.

Plasma Membrane

The lipid bilayer that surrounds a cell, regulating the passage of substances in and out of the cell.