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Chemistry of life p.22-35
Organic Molecules
proteins
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what are amino acids
building blocks of
protein
proteins
are made up of long chains of
amino acids
joined by
peptide bonds
amino acids
are chain-bonded
sequence of amino acids in a chain determines
characteristics
2 amino acids combined=
dipeptide
3+ amino acids combined=
polypeptide
examples of plant-based protein
avocado
broccoli
beans
lentils
examples of animal-based protein
egg
chicken breast
milk (calcium source)
meat
fish
importance of proteins
growth+repair of
tissue
body
structure
enzymes
e.g.
hemoglobin
what is hemoglobin?
pigment in
red
blood
ceels
carries
oxygen
essential
protein
factors that affect the structure of protein
temperature
pH
when the
temp
of the protein is
high,
the structure changes, affecting the
function
of the protein as a consequence
when the
pH
of a protein is
high
, the structure changes, affecting the
function
of the protein as a consequence
what do we call smaller proteins?
carrier
proteins
carrier proteins need to go
against
the membrane
proteins are
large organic
molecules
when the function of a protein is affected, it becomes
denatured
when structure of a protein is affected, the
function
is affected
when the function of a protein is affected, it changes colour,
shape
, taste, temp.,
structure
, texture, etc.