6 Questions
What is the primary function of detecting chemical messengers arriving at the cell surface?
Detecting chemical messengers
What is the main difference between passive and active transport?
The requirement of additional energy
What is the primary mechanism of transport for small, nonpolar molecules across cellular membranes?
Diffusion
What is the purpose of carrier proteins in facilitated diffusion?
To combine with molecules for transport
What is the driving force behind diffusion?
Kinetic energy
What is the characteristic of most molecules found in the intracellular fluid (ICF) and extracellular fluid (ECF)?
They are charged
This quiz covers the mechanisms of transport across cellular membranes, including passive and active transport, and the role of cell signaling in cellular communication.
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