Warren Is Having Trouble Deciding What He Wants to Eat

question 186

Multiple Choice

Warren is having trouble deciding what he wants to eat for breakfast. Which lobe of his brain is especially active as he makes his selection?

• A) temporal
• B) parietal
• C) frontal
• D) occipital

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Definitions:

Facilitated Transport

Passive transfer of a substance into or out of a cell along a concentration gradient by a process that requires a protein carrier.

Carrier Proteins

Proteins that facilitate the transport of specific substances across a cell membrane by changing shape.

Glucose Carrier

Proteins that facilitate the transport of glucose across cell membranes, via mechanisms such as facilitated diffusion.

Urea

A nitrogenous waste product formed in the liver, important in the metabolic breakdown of proteins and excreted in urine.