Fatty Acid
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Fatty Acid • A fatty acid is nothing more than a long C-H chain with a carboxyl group (COOH) on the end. • The COOH gives it an acid property. • The 3….dots represent the chain is very long.
description
A fatty acid is nothing more than a long C-H chain with a carboxyl group (COOH) on the end. The COOH gives it an acid property. The 3….dots represent the chain is very long. Fatty Acid. Glycerol Always looks the same 3 C’s with 3 OH’s and everything else H’s. Glycerol. - PowerPoint PPT Presentation
Transcript of Fatty Acid
Fatty Acid
• A fatty acid is nothing more than a long C-H chain with a carboxyl group (COOH) on the end.
• The COOH gives it an acid property.
• The 3….dots represent the chain is very long.
Glycerol
• Glycerol Always looks the same
• 3 C’s with 3 OH’s and everything else H’s.
To build one lipid molecule, we combine 3 Fatty acids with 1 glycerol
by the process of ?
What’s What?
• Identify the glycerol molecule
• The fatty acids
Fats make up most of the cell membrane
• Remember fats have a hydrophilic head and a hydrophobic tail.
Fats are used as an insulator
• Fats help keep animals warm
Energy
• Fats have a lot of energy stored up in their bonds.
• That’s why the human body stores fats as an energy source.
• When your body needs extra fuel, your body breaks down the fat and uses it as energy.
• Sugar give you only a little bit of energy
• Fat molecules give off much more energy.
Who’s got the power?
• Sugar • Fatt
Saturated and Unsaturated fats
• There are two kinds of fats saturated and unsaturated
• Unsaturated fats have at least one double bond (C=C) in one of the fatty acids
• Saturated fats have no double bonds. (C-C)
Steroids
• Steroids are lipids• Since they are lipids
they can cross the cell membrane
• Are hormones• Have a 4 ring
structure
Steroid Abuse
• Many body builders and athletes use steroids.
• They are destroying their internal organs
• Cause liver and kidney damage
Waxes
• Waxes are used to coat and protect things in nature.
• Your ears make wax
• Plant leaves make waxes to stop evaporation.
Element Present Used by organisms
Related terms& Info
Carbon ©
Hydrogen (H)
Oxygen (O)
Only!
There is no specific H:O ratio
Stored Energy
Structure
(important part of cell membranes)
Saturated fat = C-C bonds are all single
Unsaturated fat = Contain at least one double bond C=C.
Building blocks of lipids
Fatty acid:
Glycerol:
Is this dehydration synthesis or Hydrolysis?
• Lipid + water 3 fatty acids + glycerol
Don’t forget to finish your lab!
The Mad Scientist
