#1.5 Cell theory - The origin of cells
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Description
In this sub-unit of IB biology, we are going to explain the shortest part of unit 1, we are going to understand the concepts of:
Cells can only be formed by division of pre-existing cells
The first cells must have arisen from non-living material
The origin of eukaryotic cells can be explained by the endosymbiotic theory
More Episodes
In today's podcast we are going to explore and understand the concepts of:
Particles move across membranes by simple diffusion, facilitated diffusion, osmosis and active transport
The fluidity of membranes allows materials to be taken into cells by endocytosis or released by exocytosis
...
Published 11/02/23
Published 11/02/23
In this sub-unit we are going to explore the concepts and understanding of:
Understandings:
Phospholipids form bilayers in water due to the amphipathic properties of phospholipid molecules
Membrane proteins are diverse in terms of structure, position in the membrane and function
...
Published 10/24/23
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