*0519380806*
A
B
D
C
1.4
1.2
1.0
initial mass
final mass
0.8
0.6
0.4
0.2
0
0
0.1
0.2
0.3
0.4
0.5
concentration of sucrose solution / mol per dm3
A
B
water
C
water
D
ions
A
ions
B
rate of
enzyme
reaction
rate of
enzyme
reaction
0
temperature / °C
50
0
C
temperature / °C
50
D
rate of
enzyme
reaction
rate of
enzyme
reaction
0
temperature / °C
50
0
temperature / °C
50
black paper
white area of leaf
green area of leaf
A
brown
B
blue-black
blue-black
C
blue-black
brown
brown
D
blue-black
brown
tube made
of partially
permeable
membrane
water at 40 °C
beaker
palm oil
and lipase
A
D
B
C
A
rate of
water loss
B
rate of
water loss
humidity
humidity
C
rate of
water loss
D
rate of
water loss
humidity
humidity
20
key
atrium
pressure
/ kPa
ventricle
10
0
0
time / s
X
0.8
at the start
of the
experiment
dead, sterile
barley seeds
after
four hours
at the start
of the
experiment
growing barley
seeds
insulated
container
cotton
wool plug
thermometer
after
four hours
air in
air drawn
out by pump
sodium hydroxide
solution
limewater
X
green plant
in darkness
plastic
bag
limewater
Y
A
B
CO2
C6H12O6
2CO2
C6H12O6
H 2O
C3H6O3
yeast cell
yeast cell
C
D
2C2H5OH
C6H12O6
2C2H5OH
C6H12O6
2CO2
yeast cell
yeast cell
X
Y
Z
A
condition
B
condition
0
0
0
0
time
C
condition
time
D
condition
0
0
0
0
time
time
A
B
D
C
1
4
3
2
spinal
cord
I
J
H
K
I
I
I
muscle M
muscle N
P
Penicillium
high oxygen
concentration
rate of penicillin
production
low oxygen
concentration
0
10
20
30
temperature / °C
Penicillium
Penicillium
40
50
carbon dioxide in
atmosphere
A
B
D
gradual production of
fossil fuels
C
coal, oil
and gas
A
oxygen
concentration
B
distance downstream
sewage
released
C
D
P
growth
flower
production
pollination
germination
Q
seed
production
key
1
2
male with
normal eyesight
male with
night-blindness
3
4
5
6
?
7
8
9
female with
normal eyesight
female with
night-blindness