If Both Mass and Velocity of a Ball Are Tripled,the

question 21

Multiple Choice

If both mass and velocity of a ball are tripled,the kinetic energy is increased by a factor of:

• A)3.
• B)6.
• C)9.
• D)27.

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Definitions:

Phospholipase

An enzyme that hydrolyzes phospholipids into fatty acids and other lipophilic substances, playing key roles in cellular membranes' metabolism and signaling.

First Messenger

A signaling molecule that binds to a receptor at the surface of a cell, initiating a series of intracellular events that lead to a biological response.

Acetylcholine

A neurotransmitter in both the peripheral and central nervous system that is involved in muscle activation, heart rate, and memory function.

Cyclic AMP

Cyclic AMP (cAMP) is a second messenger important in many biological processes, serving as a signaling molecule that transduces extracellular signals into cellular responses.