Proteins and Fats
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Transcript of Proteins and Fats
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Proteins and Fats
Structure and Function
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Proteins and Fats
What are some examples of protein?
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Proteins and Fats
What are some examples of protein?
Fingernails
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Proteins and Fats
What are some examples of protein?
Hair
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Proteins and Fats
What are some examples of protein?
Egg Albumin
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Proteins and Fats
What are some examples of protein?Feathers
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Proteins and Fats
Proteins serve many functions in an organism: Structural-collagen
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Proteins and Fats
Proteins serve many functions in an organism: Structural-collagen Transport-Hemoglobin
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Proteins and Fats
Proteins serve many functions an organism: Structural-collagen Transport-Hemoglobin Immune-Antibodies
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Proteins and Fats
Proteins serve many functions in an organism: Structural-collagen Transport-Hemoglobin Immune-Antibodies Catalytic-Enzymes
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Proteins and Fats
All proteins, regardless of the source, animal, plant, fungal or bacterial, are all made from the same 20 amino acids.
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Proteins and Fats
All proteins, regardless of the source, animal, plant, fungal or bacterial, are all made from the same 20 amino acids.
Amino acids contain carbon, hydrogen, oxygen and NITROGEN
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Proteins and Fats
Amino Acid StructureAll amino acids have the following common structure.
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Proteins and Fats
Amino Acid StructureAll amino acids have the following common structure.
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Proteins and Fats
Amino Acid Structure
The side group is what makes each amino acid unique.
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Proteins and Fats
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Proteins are joined together by the DEHYDRATION SYNTHESIS REACTION.
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Proteins and Fats
How can 20 amino acids make all the proteins found in living organisms?
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Proteins and Fats
How can 20 amino acids make all the proteins found in living organisms?
Different combinations and lengths(Letters of the alphabet)
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Each amino acid is like a letter in the alphabet, the change of one amino acid can change the shape of the protein.
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Proteins and Fats
This is seen in hemoglobin where one acid change results in Sickle Cell Anemia.
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Proteins and Fats
Proteins have a specific three dimensional shape which is important in their biological role.
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Proteins and Fats
The shape of a protein is influenced by temperature and pH.
Out side of a specific range the protein breaks down, its DENATURED.
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What are some examples of fats?
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What are some examples of fats?
Animal Fat
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What are some examples of fats?
Plant Fat
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What are some examples of fats?
Lard
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Fats serve two functions in an organism: Storage of excess energy
reserves
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Fats serve two functions in an organism: Storage of excess energy
reserves Insulation whale
blubber
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Proteins and Fats
Fats serve three functions in an organism: Storage of excess energy
reserves Insulation whale
blubber Protection
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All lipids, regardless of the source, animal, plant, fungal or bacterial, are composed of carbon, hydrogen and oxygen.
They are nonpolar (do not dissolve in water)
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All lipids, regardless of the source, animal, plant, fungal or bacterial, are composed of carbon, hydrogen and oxygen.
They are made of two molecules: glycerol
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Proteins and Fats
All lipids, regardless of the source, animal, plant, fungal or bacterial, are composed of carbon, hydrogen and oxygen.
They are made of two molecules: glycerol & fatty acids
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Glycerol Structure
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Fatty Acid Structure
They can exist as two types, saturated and unsaturated.
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Fatty Acid Structure
They can exist as two types, saturated and unsaturated.
They can range from 12 to 22 carbons in length.
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Proteins and Fats
Triglycerides are the most common fats and are composed of 1 glycerol and three fatty acid molecules.
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Triglycerides are the most common fats and are composed of 1 glycerol and three fatty acid molecules.
Guess what reaction combines them.
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Proteins and Fats
Triglycerides are the most common fats and are composed of 1 glycerol and three fatty acid molecules.
Guess what reaction combines them.DEHYDRATION SYNTHESIS
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Proteins and Fats
Phospholipids are another type of fat and make up cell membranes.
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Proteins and Fats
1. What elements are found in proteins?
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Proteins and Fats
1. What elements are found in proteins?
Carbon, Hydrogen, Oxygen and Nitrogen
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2. What elements are found in carbohydrates and fats?
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2. What elements are found in carbohydrates and fats?
Carbon, Hydrogen and Oxygen
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3. Is C12H22011 a fat or carbohydrate?
4. How do you know?
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Proteins and Fats
3. Is C12H22011 a fat or carbohydrate?Carbohydrate
4. How do you know?2 to 1 ratio of hydrogen to oxygen