CSU BMS 300 - Phospholipids to Protein Secondary Structure (7 pages)

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Phospholipids to Protein Secondary Structure



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Phospholipids to Protein Secondary Structure

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Includes the basic structure of phospholipids and amino acids as well as beginning to discuss the formation of proteins.


Lecture number:
3
Pages:
7
Type:
Lecture Note
School:
Colorado State University- Fort Collins
Course:
Bms 300 - Principles of Human Physiology
Edition:
1
Documents in this Packet

Unformatted text preview:

BMS 300 1st Edition Lecture 3 Outline of Last Lecture I Ion solubility and diffusion charged ions in water diffusion in water diffusion across a barrier 1 ion selective channels 2 equilibrium water diffusion through aquaporin 1 osmosis 2 reaching equilibrium II Hydrophobic vs hydrophilic III Lipids as hydrophobic molecules triglycerides 1 glycerol 3 carbon alcohol 2 fatty acid 3 dehydration synthesis 4 ester bonds IV Phospholipids as amphipathic molecules fatty acid side change These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute phosphate head groups Outline of Current Lecture I Phospholipid orientation in water micelle liposome planar bilayer II Lipid mosaic model of biological membrane transmembrane proteins III Proteins as amino acid polymers amino acid structure 1 amine 2 carboxylic acid 3 R group peptide bond formation IV Protein primary structure amino acid sequence V Protein secondary structure hydrogen bonding alpha helix beta sheet VI Protein tertiary structure role of R groups 1 non polar uncharged 2 polar 3 charged VII Protein folding into geometric shapes Current Lecture To recap last lecture remember the short hand of phospholipids as the head with squiggly tails and that the head is charged and that the tails are uncharged Micelle circle type organization of a phosphate head groups with their heads pointed outwards towards the water and their tails pointed inward away from the water if you put a molecule of water into the middle of the micelle it will explode because the tails are hydrophobic not a stable state Liposome starts out looking just like a micelle with its tails are pointed inward to make it a stable structure with water on the inside there are phospholipids on the inside with their tails pointing towards each other and heads pointing inward this is stable because there is water on the inside and on the outside the inner layer of this



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