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AS-Level Biology Paper 1 Predicted Paper 2023 attached with marking scheme £19.81   Add to cart

Exam (elaborations)

AS-Level Biology Paper 1 Predicted Paper 2023 attached with marking scheme

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AS-Level Biology Paper 1 Predicted Paper 2023 attached with marking scheme Name …………………………………………………………………… Date ………………… 1 hour 30 minutes allowed. You may use a scientific calculator and a ruler with millimetre measuremen...

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  • May 5, 2023
  • 29
  • 2022/2023
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As level biology ppr1 2023




AQA
AS-Level Biology Paper 1
Predicted Paper 2023 attached with marking scheme


Name ……………………………………………………………………
Date …………………


1 hour 30 minutes allowed.
You may use a scientific calculator and a ruler with millimetre
measurements.




Grade boundaries Possible Marks
Question
marks gained
These are VERY rough guesses! Getting a 1 6
B on this paper does not guarantee you 2 9
the same mark in the exam. 3 6
4 5
5 13
 A 60% 6 9
7 8
 B 50%
8 9
 C 40%
9 10
 D 35% Total 75
 E 30%




1

,As level biology ppr1 2023




2

, 01
The diagram below shows a molecule of glucose.




a) What disaccharide would two molecules of this monosaccharide
form when joined together?
[1 mark]




b) Name the bond that forms between two monosaccharides?
[1 mark]




c) Describe how this bond is formed.
[2 marks]




d) These monosaccharides can join to make the polysaccharide
amylopectin. Name and explain one feature that makes
amylopectin a good storage molecule.
[2 marks]

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