Ian cho and Adam Eshel Proteins.

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Presentation transcript:

Ian cho and Adam Eshel Proteins

what are proteins? Proteins are compounds that contain nitrogen as well as carbon, hydrogen, and oxygen. They serve 5 core purposes. Enzymes- help chemical reactions occur Antibodies- fight disease Hormones- chemical messengers Pigments- color Structural parts- hair, muscles, nails, cartilage, tendons, etc.

What do proteins do? Proteins do most of the work in a cell. They help in the structure, regulation and function of a cell. Proteins can be an antibody, enzyme, messenger, storage or structural component. Proteins make up 20% of the human body. A protein molecule is known as a sequence of letters such as aa. In an aa sequence the protein molecules would be long folded chains of aa.

What are proteins made of Proteins are composed of amino acids. Amino Acids join together in chains ranging in length from a couple to thousands of amino acids. Various protein types differ by the number of amino acids they contain and their mutual three dimensional structures. When two amino acids combine to make a dipeptide and H20 byproduct is released. Amino acid + amino acid = dipeptide + H2O

Protein facts A protein is usually comprised of more than one amino acid chain The standard minimum amount of daily protein recommended is .37 gram There are 20 different types of amino acids All amino acids contain an amino group, a carboxyl group, and an R group

What is hydrolysis The process that breaks down proteins is called hydrolysis. Hydrolysis is the chemical breakdown of a compound due to water. We use hydrolysis to digest food.

Examples of protein beef chicken nuts/nut products fish pork

Quiz 1 how many amino acids are there 2 what is one food with protein 3 what is produced when disaccharide forms 4what are disaccharides made of Bonus How much is the recommended daily protein

Sources https://ghr.nlm.nih.gov/primer/howgeneswork/protein https://upload.wikimedia.org/wikipedia/commons/0/07/Glycine2.png https://cellbiology.med.unsw.edu.au/cellbiology/images/d/d0/Proteintransport.gif http://whoami.sciencemuseum.org.uk/whoami/findoutmore/yourbody/whatdoyourc ellsdo/whatisacellmadeof/whatareproteinsmadeof https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Protein_primary_stru cture.svg/368px-Protein_primary_structure.svg.png