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Page 1

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Emi
l
y Summer
s




AS Unit F212: Molecules, biodiversity, food and health
Module 1 Biological molecules

Biological molecules
Descr
ibe
how
hydr
ogen
bondi
ng
occur
s bet
w een
water
molecul
es,
and r
elat
e t
his
and
other
pr
oper
ti
es
of
w at
er…

Page 2

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Emi
l
y Summer
s









2

Page 3

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Emi
l
y Summer
s






Expl
ain,
wi
th
the
aid
of
diagr
ams,
t
he
ter
m primary structure.
Expl
ain,
wi
th
the
aid
of
diagr
ams,
t
he
ter
m secondary structure
w i
th
ref
erence
to
hydr
ogen
bondi
ng.

Expl
ain,
wi
th
the…

Page 4

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Emi
l
y Summer
s




Hydr
oph i
l
ic Wa ter
at
tr
act
ing
groups
are
li
kel
y t
o be
pushed
out
side,
af
fect
ing
the
pr
otei
n's
fi
nal
st
ruct
ure.

Expl
ain,
wi
th
the
aid
of
diagr
ams,
t
he…

Page 5

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Emi
l
y Summer
s






Descr
ibe,
wi
th
the
aid
of
diagr
ams,
the
for
ma t
ion
and breakage
of
glycosi
dic
bonds
in
the
synt
hesi
s and
hydr
olysi
s of
a
di
sacchar
ide
(malt
ose)
and a
pol
ysacchar
ide
(amylose)
.






Compar
e…

Page 6

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Emi
l
y Summer
s






Expl
ain
how t
he
str
uct
ures
of
glucose,
st
arch
(amyl
ose)
,
and
glycogen
and
cel
lul
ose
mol
ecul
es
rel
ate
to
thei
r
funct
ions
in
li
vi
ng
or
ganisms.


Car
bohydr
ate Exampl
e Char
act
eri…

Page 7

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Emi
l
y Summer
s






Compar
e,
w i
th
the
aid
of
diagr
ams,
t
he
str
uct
ure
of
a t
ri
glycer
ide
and
a phosphol
ipi
d.

Phospholipid





Triglyceride







Expl
ain
how t
he
str
uct
ures
of
tr
igl
ycer
ide,
phosphol
ipi
d and…

Page 8

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Emi
l
y Summer
s




Cholest
erol
i
s a
li
pid
found
in
cell
memb r
anes f
or
me chani
cal
stabi
li
ty,
and
is
used
to
make
st
eroi
ds.
It
has
a
hydrocar
bon ri
ng st
ruct
ure
att
ached t
o a
hydrocarbon…

Page 9

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Emi
l
y Summer
s






Protein
























Add bi
uret
reagent
t
o a sampl
e.
The
reagent
cont
ains
sodi
um hydr
oxide
and
copper
sul
phate,
react
ing
w i
th
the
pepti
de bonds
in
prot
ein
tur
ning
the
sol
uti
on
to
a pur
ple
col…

Page 10

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Emi
l
y Summer
s




Test
t
he unknown
solut
ion
by usi
ng
the
colour
ime t
er
and r
eadi
ng i
t'
s absor
bance
val
ue acr
oss
on t
he cal
ibr
ati
on gr
aph,
it
wi
ll
t
ell
you
the
concent
rat…

Comments

Bethany Cunningham

Ahh. It is a real shame that it's not finished, with it complete it would have been 5* but 4* it is still pretty great. I will be glad to revise from it.

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