Which One of the Following Molecules Is Able to Move

question 4

Multiple Choice

Which one of the following molecules is able to move across the cell membrane by simple diffusion?

• A) DNA
• B) hemoglobin
• C) carbon dioxide
• D) glucose
• E) starch

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Definitions:

Sway Bar Link

A component of a vehicle's suspension system that connects the sway bar to the suspension to help reduce body roll during turns.

Ball Joint

A pivot point for the steering system, allowing the wheels to move up and down while steering left or right.

CV Joint

Short for Constant Velocity Joint, it allows a drive shaft to transmit power through a variable angle at constant rotational speed without significant loss of torque.

Steering Knuckles

Components in a vehicle's suspension system that connect the wheel to the axle, allowing for steering movements.