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Edexcel GCE
Biology
Advanced Subsidiary
Unit 1: Lifestyle, Transport, Genes and Health
Thursday 8 January 2009 – Morning
Time: 1 hour 15 minutes
You do not need any other materials.
Paper Reference
6BI01/01
Total Marks
Instructions se b ink or
• Uill inlack boxesball-point pen. page with your name, a the top of this
• F the andt candidate number. centre number uestions. • Answer all qquestions in the spaces provided the • Answermay be more space than you need.
– there
Information paper • The total markefor thisuestion is 80.shown in brackets
T
ach q are • –hesemarks forguide as to how much time to spend on each question. u this as a ability to information, • You will be assessed on yourclearly andorganise and presentyour use of ideas, descriptions and arguments logically, including
•
grammar, punctuation and spelling.
Candidates may use a calculator.
Advice ead carefully
• Reep each questiontime. before you start to answer it.
K
• Try toan eye on the question.
• Checkanswer every if you have time at the end.
• your answers
Turn over
N34406A
©2009 Edexcel Limited.
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Answer ALL questions.
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 Read through the following passage that describes the process of blood clotting, then write on the dotted lines the most appropriate word or words to complete the passage. (6)
A blood clot may form when a blood vessel wall becomes damaged.
Cell fragments called .......................................................... stick to the wall of the damaged blood vessel forming a plug. A series of chemical changes occur in the blood, resulting in .......................................................... being converted into