Biology a/S Edexcel Unit 1 June 2009
Write your name here Yasitha
Surname Other names De Silva
Centre Number
Candidate Number 0014
Edexcel GCE
Biology
Advanced Subsidiary Unit 1: Lifestyle, Transport, Genes and Health
Monday 1 June 2009 – Afternoon Time: 1 hour 15 minutes
You do not need any other materials.
Paper Reference
6BI01/01
Total Marks
Instructions black ink or • Usein the boxesball-point pen. page with your name, at the top of this • Fill number and candidate number. centre • Answer all questions. in the spaces provided the questions • Answermay be more space than you need. – there
Information for • The total markeachthis paper is 80.shown in brackets question are • The marks forguide as to how much time to spend on each question. – use 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 carefully • Read each questiontime. before you start to answer it. • Keep an eye on the question. • Try to answer every if you have time at the end. • Check your answers
Turn over
N34463A
©2009 Edexcel Limited.
*N34463A0124*
1/1/1/
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 DNA and lipids are important molecules found in living organisms. (a) A triglyceride is one type of lipid. For each of the descriptions below, put a cross ( ) in the box that corresponds to the correct statement about lipids or triglycerides. (i) Triglycerides are composed of: (1) 3 glycerol molecules and 3 fatty acid molecules 1 glycerol molecule and 3 fatty acid molecules 1 glycerol molecule and 1 fatty acid molecule 3 glycerol molecules and 1 fatty acid molecule (ii) The bond between a glycerol molecule and
Surname Other names De Silva
Centre Number
Candidate Number 0014
Edexcel GCE
Biology
Advanced Subsidiary Unit 1: Lifestyle, Transport, Genes and Health
Monday 1 June 2009 – Afternoon Time: 1 hour 15 minutes
You do not need any other materials.
Paper Reference
6BI01/01
Total Marks
Instructions black ink or • Usein the boxesball-point pen. page with your name, at the top of this • Fill number and candidate number. centre • Answer all questions. in the spaces provided the questions • Answermay be more space than you need. – there
Information for • The total markeachthis paper is 80.shown in brackets question are • The marks forguide as to how much time to spend on each question. – use 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 carefully • Read each questiontime. before you start to answer it. • Keep an eye on the question. • Try to answer every if you have time at the end. • Check your answers
Turn over
N34463A
©2009 Edexcel Limited.
*N34463A0124*
1/1/1/
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 DNA and lipids are important molecules found in living organisms. (a) A triglyceride is one type of lipid. For each of the descriptions below, put a cross ( ) in the box that corresponds to the correct statement about lipids or triglycerides. (i) Triglycerides are composed of: (1) 3 glycerol molecules and 3 fatty acid molecules 1 glycerol molecule and 3 fatty acid molecules 1 glycerol molecule and 1 fatty acid molecule 3 glycerol molecules and 1 fatty acid molecule (ii) The bond between a glycerol molecule and