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EDEXCEL BIOLOGY A AS LEVEL JUNE 2023 8bn0 PAPER 1 LIFESTYLE TRANSPORT GENES AND HEALTH $6.49
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EDEXCEL BIOLOGY A AS LEVEL JUNE 2023 8bn0 PAPER 1 LIFESTYLE TRANSPORT GENES AND HEALTH

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EDEXCEL BIOLOGY A AS LEVEL JUNE 2023 8bn0 PAPER 1 LIFESTYLE TRANSPORT GENES AND HEALTH

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  • April 13, 2024
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AS AND A LEVEL EXAM PREP MATERIAL




EXAM PREP



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, EDEXCEL A LEVEL JUNE 2023
Please check the examination details below before entering your candidate information
Candidate surname Other names


Centre Number Candidate Number




Pearson Edexcel Level 3 GCE
Monday 15 May 2023
Morning (Time: 1 hour 30 minutes) Paper
reference 8BN0/01
Biology A (Salters Nuffield)  


Advanced Subsidiary
PAPER 1: Lifestyle, Transport, Genes and Health

You must have: Total Marks
Scientific calculator, HB pencil, ruler



Instructions
•• Use black ink or ball‑point pen.
Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions.
Show all your working out in calculations and include units where appropriate.
• Answer the questions in the spaces provided
– there may be more space than you need.

Information
• The total mark for this paper is 80.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• You may use a scientific calculator.
• structure
In questions marked with an asterisk (*), marks will be awarded for your ability to
your answer logically, showing how the points that you make are related
or follow on from each other where appropriate.

Advice
•• Read each question carefully before you start to answer it.
Try to answer every question.
• Check your answers if you have time at the end. Turn over


P71922A
©2023 Pearson Education Ltd.
N:1/1/1/1/1/
*P71922A0132*
TYRIONPAPERS.COM

, Answer ALL questions.

Write your answers in the spaces provided.

Some questions must be answered with a cross in a box . If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross .

1 The diagram shows a DNA nucleotide.




O



(a) (i) Complete the diagram to show how a complementary pair of nucleotides
would appear in a DNA molecule.
(2)

(ii) Name two bonds formed between nucleotides in the process of
DNA replication.
(2)

1 .. . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................................ . . . . . . . . . . . . . . . . . . . . .

2 .. . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................................ . . . . . . . . . . . . . . . . . . . . .




2
*P71922A0232* 

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