What is homeostasis?
Homeostasis and Transport Study Guide

Flashcard
•
Science
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.
2.
FLASHCARD QUESTION
Front
What is the primary function of the cell membrane?
Back
The cell membrane regulates what enters and exits the cell, providing protection and support.
3.
FLASHCARD QUESTION
Front
Define diffusion.
Back
Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.
4.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the diffusion of water molecules through a selectively permeable membrane.
5.
FLASHCARD QUESTION
Front
What is facilitated diffusion?
Back
Facilitated diffusion is the process of passive transport of molecules across a cell membrane via specific transmembrane integral proteins.
6.
FLASHCARD QUESTION
Front
What is active transport?
Back
Active transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy.
7.
FLASHCARD QUESTION
Front
What is a stimulus in biological terms?
Back
A stimulus is any change in the environment that causes a response in an organism.
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