part 3- bio chem
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R=H
glycine
R=CH3
alanine
R=CH2CH(CH3)2
leucine
R=CH2OH
serine
R=CH2SH
cysteine
R=CH2COOH
aspartic acid
R=(CH2)4NH2
lysine
zwitterion
amino acid is in water it will ionize NH2 will be NH3+ COOH will be COO-
amino acid has
carboxylic acid, one amine, one H, and one R
what is formed when two amino acid molecules are linked by a reaction that results in the loss of a water molecule
a peptide
A Peptide bond is an example of a
amide
the shape of a peptide bond is
flat due to the partial double bonds joining C, O, and N
enzyme that breaks up fat is
lipases
primary
primary- sequence of amino acid
secondary
secondary- primary structure twisted into an a-helix, b- pleated sheet or triple helix held together by hydrogen bond between the peptide bonds along the chain
tertiary
tertiary- secondary structure folds into a compact, 3-D shape stabilized by interaction g between R groups (hydrophobic and hydrophilic interaction, salt bridges, hydrogen bonds, disulfide bonds)
quaternary
two or more protein subunits combined to form a biologically active protein
which of the following classes of compounds provide both an energy source and structural material when metabolized
proteins
denature
heat, acid, base, alcohol, heavy metals, and agitation
which vitamin is fat soluble
D
which vitamin is responsible for blood clotting
K
monosaccharides
end in ose 3-6 carbon atoms, carbonyl group (aldehyde or ketone) and several hydroxyl groups glucose and fructose
aldoses
are monosaccharides with the aldehyde functional group aldohexose- C6 aldopentose- C5
ketose
monosaccharides with ketone functional group ketohexose- C6