For a Collision Between Molecules to Result in Reaction, the Molecules

question 54

Multiple Choice

For a collision between molecules to result in reaction, the molecules must possess a certain minimum energy and

• A) exchange electrons
• B) interact with a catalyst for at least one second
• C) have a favorable orientation relative to each other when they collide
• D) more than one correct response
• E) no correct response

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Definitions:

Regurgitation

The backward flow of blood through a valve in the heart due to the valve not closing properly, or the process of vomiting undigested food.

Cardiac Muscle Tissue

Tissue composed of cells that form the myocardium of the heart, responsible for the rhythmic contractions that pump blood.

Myocardium

The thick, muscular middle layer of the heart wall, composed of cardiac muscle cells that contract to pump blood through the circulatory system.

Chordae Tendineae

Heart strings, or thin bands of fibrous tissue, that attach to the heart valves and are responsible for preventing the inversion of these valves during heart contraction.