Urea Is Converted to Ammonia and Carbon Dioxide by the Action

question 27

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? O -C- + O 2N +

• 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.

---

Definitions:

Serotonin

A neurotransmitter associated with mood regulation, digestion, sleep, and other important physiological processes.

Epinephrine

A hormone and neurotransmitter also known as adrenaline; it increases heart rate, muscle strength, blood pressure, and sugar metabolism, and is used in medical scenarios to treat severe allergic reactions.

Neural Pathway

A network of neurons connected by synapses along which electrical impulses travel within the nervous system.

Effector Organ

An organ that responds to a stimulus in a reflex arc, typically involving muscles or glands.