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Nutrition Protein
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organic compounds formed from amino acid chains
proteins
What are amino acids composed of
carbon
hydrogen
oxygen
nitrogen
How many amino acids are there
20
What are essential amino acids(EEA)
amino acids that can not be made by the body and must be eaten
What are nonessential amino acids
amino acids that the body can produce
What determines the composition of an amino acid
number,assortment, & sequence of amino acids in a polypeptide chain
How are amino acids linked together
polypeptide bonds
Where do the polypeptide bonds occur
the carboxyl group of one amino acid binds with the amino group of another amino acid
How does each cell get the protein it needs
the cell will synthesis what it needs
What amino acid is used for energy
carboxyl
What does the amino group contain
nitrogen
What group is unique for each individual amino acid
R
Why is globular structure necessary for protein
so they can perform their functions
The amino acid chain is what structural level of protein
primary
What structural level of protein affects the shape of the chain and amino acids due to hydrogen bonding
secondary
What structural level of a protein loops polypeptides chain coils so that the loops touch and form stronger bonds in the chain
tertiary
what structural level of a protein has more than 1 polypeptide chain
quaternary
what are the functions of proteins
growth & maintainance
hormones
biochemical catalyst
form clotting factors
form antibodies
fluid & electrolyte regualtion
transporter
What do proteins transport
lipids
minerals
vitamins
oxygen
electrolytes
What is denaturation
altering a protein's 3 demensional structure
What is the protein incapable of after denaturation
performing it's original function
what can cause denaturation to occur
heat
Ph changes
UV light
Alchol
mechanical action
Where does protein digestion begin
chewing starts mechanical breakdown
Where does the chemical digestion of protein begin
stomach with HCL and pepsin
In the small intestine what breaks down the polypeptides
pancreatic and intestinal protease
what do the polypeptides get broken down into in the small intestine
amino acids
dipeptides
tripeptides
what happens to the dipeptides and tripeptides
transport proteins move them into mucosal cells where they are broken down to amino acids
Where do the amino acids travel to
through blood to liver which regulates distribution
Author
tville01
ID
162883
Card Set
Nutrition Protein
Description
Nutrition Protein
Updated
2012-07-17T22:40:50Z
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