Podcast
Questions and Answers
Which transport mechanism requires the use of energy?
Which transport mechanism requires the use of energy?
What is the collective term for glycolipids and glycoproteins?
What is the collective term for glycolipids and glycoproteins?
Who proposed the 'fluid mosaic model' of the cell membrane?
Who proposed the 'fluid mosaic model' of the cell membrane?
In which type of transport do substances move from an area of higher concentration to an area of lower concentration?
In which type of transport do substances move from an area of higher concentration to an area of lower concentration?
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What is a concentration gradient?
What is a concentration gradient?
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Study Notes
Transport Mechanisms
- Active transport requires the use of energy.
- Passive transport does not require energy.
Cell Membrane Components
- Glycoconjugates is the collective term for glycolipids and glycoproteins.
Cell Membrane Structure
- The 'fluid mosaic model' of the cell membrane was proposed by Singer and Nicolson.
Transport Types
- Passive transport involves substances moving from an area of higher concentration to an area of lower concentration.
Concentration Gradient
- A concentration gradient is the difference in concentration of a substance from one area to another.
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Description
Test your knowledge of cell transport mechanisms, including diffusion, osmosis, facilitated transport, and active transport. Explore the paucimolecular model by Hugh Davson and James Danielli, and the fluid mosaic model by S.J. Singer and Garth L. Nicolson. Learn about lipids, including phospholipids and cholesterol, as well as proteins and carbohydrates attached to glycoproteins and glycolipids.
