If the Ob Gene, Which Is Responsible for the Production

question 50

Multiple Choice

If the ob gene, which is responsible for the production of leptin, is down-regulated, the result would be

• A)an increased appetite and an increased body mass.
• B)a decreased appetite and a decreased body mass.
• C)an increased appetite and a decreased body mass.
• D)a decreased appetite and an increased body mass.
• E)an unchanged appetite and normal body weight.

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Definitions:

Rotor Surface

The outer surface of a rotor, in systems like disc brakes, where frictional force is applied to slow down or stop the vehicle.

Cast Iron

A group of iron-carbon alloys with a relatively high carbon content, noted for their strength, wear resistance, and ability to withstand high temperatures.

Brake Rotors

The disc, most commonly made of cast iron, against which the caliper clamps the brake pads to slow the vehicle.

Vented Rotors

Brake rotors designed with internal cooling fins to dissipate heat generated during braking.