Urea Is Converted to Ammonia and Carbon Dioxide by the Action

question 52

Multiple Choice

Urea is converted to ammonia and carbon dioxide by the action of urease.What will be the effect on the rate if the temperature of the reaction is lowered from 37 °C (the optimum temperature) to 27 °C?

• A)There will be no effect.
• B)The rate will slow down.
• C)The rate will double.
• D)The rate will triple.
• E)The rate will slow down,then speed up again.

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for rapid responses to stressors, activating the fight-or-flight response.

Somatic

Relating to or affecting the body, especially as distinct from the mind.

Parasympathetic

The part of the autonomic nervous system that conserves energy by slowing the heart rate and increasing digestive activities.

Gonads

Sex glands; secrete hormones that regulate sexual development and behavior as well as reproduction.