Notes in B1.3.1: Diffusion

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Published	10/06/2024	What must an organism do in order to function properly?
Published	10/06/2024	Where does the exchange of substances occur?
Published	10/06/2024	What are the 3 transport processes that living organisms use for exchange?
Published	10/06/2024	Define diffusion.
Published	10/06/2024	What does diffusion cause?
Published	10/06/2024	Why is diffusion a passive process?
Published	10/06/2024	Why is the cell membrane described as partially permeable?
Published	10/06/2024	2c94a94438b44affb9e349340823d104-oa-1
Published	10/06/2024	2c94a94438b44affb9e349340823d104-oa-2
Published	10/06/2024	2c94a94438b44affb9e349340823d104-oa-3
Published	10/06/2024	2c94a94438b44affb9e349340823d104-oa-4
Published	10/06/2024	2c94a94438b44affb9e349340823d104-oa-5
Published	10/06/2024	2c94a94438b44affb9e349340823d104-oa-6
Published	10/06/2024	What are some examples of substances that enter cells by diffusion?
Published	10/06/2024	What are some examples of substances that leave cells by diffusion?
Published	10/06/2024	What is the transport of substances into and out of a cell by diffusion driven by?
Published	10/06/2024	List the 3 factors that affect diffusion.
Published	10/06/2024	How does the difference in concentrations (concentration gradient) affect diffusion?
Published	10/06/2024	How does temperature affect diffusion?
Published	10/06/2024	How does the surface area of a membrane separating 2 regions affect diffusion?
Published	10/06/2024	What does the surface area to volume ratio affect?
Published	10/06/2024	What does a high surface area to volume ratio mean?
Published	10/06/2024	Why do larger organisms usually have exchange surfaces and transport systems?
Published	10/06/2024	What is the role of the small intestine in the body?
Published	10/06/2024	How is the small intestine adapted to its role?
Published	10/06/2024	What is the role of alveoli in the body?
Published	10/06/2024	How are alveoli adapted to its role?
Published	10/06/2024	What is the role of fish gills?
Published	10/06/2024	How are fish gills adapted to their role?
Published	10/06/2024	What is the role of roots in plants?
Published	10/06/2024	How are the roots adapted to their role in the plant?
Published	10/06/2024	606f86384a274a738b86ff228b9fcb9b-ao-1
Published	10/06/2024	606f86384a274a738b86ff228b9fcb9b-ao-2
Published	10/06/2024	606f86384a274a738b86ff228b9fcb9b-ao-3
Published	10/06/2024	What is the role of leaves in the plant?
Published	10/06/2024	How are leaves adapted to their role?
Published	10/06/2024	How do multicellular organisms maximise the exchange of materials?
Published	10/06/2024	How do animals also maximise the exchange of materials?
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