AQA
A-Level
BIOLOGY
3.1 | Biological Molecules
1.6| ATP
Time allowed
55 minutes
MARK SCHEME
Score Percentage
/46 %
4.1 | CELL BIOLOGY | QUESTION PAPER 1 1
, Page 1
(a) ATP
1
(b) (i) 2.57:1/2.6:1/18:7;Correct answer however derived scores two marks72:28
scores one markCorrect working from wrong figures scores 1 mark
Accept
0....3889
2 max
(ii) Low intensity;At low intensity/below 40% mainly fat used / at high intensity/
above 40% mainly carbohydrate used;Long duration exercise;Percentage fat
used increases with time / percentage
carbohydrate used decreases with time;
3
[6]
A-Level
BIOLOGY
3.1 | Biological Molecules
1.6| ATP
Time allowed
55 minutes
MARK SCHEME
Score Percentage
/46 %
4.1 | CELL BIOLOGY | QUESTION PAPER 1 1
, Page 1
(a) ATP
1
(b) (i) 2.57:1/2.6:1/18:7;Correct answer however derived scores two marks72:28
scores one markCorrect working from wrong figures scores 1 mark
Accept
0....3889
2 max
(ii) Low intensity;At low intensity/below 40% mainly fat used / at high intensity/
above 40% mainly carbohydrate used;Long duration exercise;Percentage fat
used increases with time / percentage
carbohydrate used decreases with time;
3
[6]