L31 462a_carb1_lec31_2012

Carbohydratefuncdons nutridonal structural

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Unformatted text preview: 
do
nucleic
acids,
DNA,
RNA
 •  Are
not
built
according
to
a
geneDc
“blueprint”,
unlike
nucleic
 acids
and
proteins
 •  Tend
to
be
more
heterogeneous,
in
size
and
in
composiDon,
 than
other
biological
molecules
 •  The
structural
variaDon
in
carbohydrates
is
fundamental
to
 their
biological
acDvity
 •  The
apparently
haphazard
arrangements
of
carbohydrates
on
 proteins
and
on
the
surfaces
of
cells
are
the
key
to
many
 recogniDon
events
between
proteins
and
between
cells.
 Carbohydrate
FuncDons
 NutriDonal
 Structural
 InformaDonal
 •  Energy
storage
 –
glycogen,
 starch
 •  Fuels
–
glucose
 •  Metabolic
 intermediates

 •  Cell
walls
–
 bacteria,
plants
 •  Exoskeleton
–
 arthropods
 •  ConnecDve
 Dssues,
 carDlage,
bone
 •  Components
of
 nucleoDde...
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