Biology

English (UK)

Revision notes for Unit 1.3 - Membranes WJEC AS level 

Explore the essential concepts of cell membrane transport, including diffusion, osmosis, active transport, and the fluid mosaic model. This summary covers integral proteins, selective permeability, and the roles of various transport mechanisms such as endocytosis and exocytosis. Ideal for WJEC AS Biology students preparing for Unit 1.3.

Cell Membrane Transport Mechanisms

Revision note

Kealan Jones

WJEC Biology AS Unit 1.3

Carrier Proteins

Topic 2 (Cell Structure and Division, Cell Membranes, Cells and The Immune System) for A-Level Biology

Paige

TOPIC 2: A-Level Biology

Integral Proteins

gcse aqa biology - organisation -  gas exchange surfaces and methods of transport ( diffusion and active transport)

Mind map

Lexi Jury

gcse biology 

Explore the critical roles of biological membranes in cellular processes such as transport, communication, and energy production. This summary covers key concepts including active and passive transport, facilitated diffusion, osmosis, and the fluid mosaic model. Ideal for A-level biology students seeking to understand membrane structure and function.

Biological Membrane Functions

Essay

Emily Anne

Cell membrane essay

Explore the intricate structure and function of cell membranes, including the lipid bilayer, transport mechanisms, and the principles of diffusion and osmosis. This summary covers key concepts such as selective permeability, tonicity, and the roles of transport proteins in cellular exchange. Ideal for students studying cellular biology and membrane transport processes.

Cell Membrane Dynamics

Maja Szulczynska

Study note

English

cell membranes and transport 

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Cell Membranes and Transport 

A* Essay on the importance of ions in Biology. Includes short plan followed by more detailed plan

Explore the critical roles of essential ions in biological processes, including muscle contraction, protein synthesis, and oxygen transport. This detailed overview covers calcium, iron, nitrate, sodium, and chloride ions, highlighting their functions and importance in cellular biology and the nitrogen cycle. Ideal for students seeking to understand the biochemical significance of ions in living organisms.

Essential Ions in Biology

Ajeet 

a* essay on the importance of ions in biology. includes short plan followed by more detailed plan

Membrane Transport and Signaling Proteins

Carrier Proteins

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Integral Proteins

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Transport Proteins

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