Aqa As A Level Year 1 Biology Student Guide Topics 3 And 4

Author: Pauline Lowrie
Publisher: Hachette UK
ISBN: 1471843602
Size: 22.51 MB
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You can also order through the Hodder Education website: www.
hoddereducation.co.uk © Pauline Lowrie 2015 ISBN 9781471843570 eISBN
9781471843600 First printed 2015 Impression number 5 4 3 2 1 Year 2018 2017
2016 2015 This guide has been written specifically to support students preparing
for the AQA AS and A level Biology examinations. The content has been neither
approved nor endorsed by AQA and remains the sole responsibility of the author.
All rights reserved ...

Aqa A Level Biology

Author: Pauline Lowrie
Publisher: Philip Allan
ISBN: 9781471856693
Size: 46.87 MB
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Exam Board: AQA Level: A-level Subject: Biology First Teaching: September 2015 First Exam: June 2016 Written by experienced teacher Pauline Lowrie, this Student Guide for Biology: - Identifies the key content you need to know with a concise ...

Aqa A Level Chemistry Student Guide Practical Chemistry

Author: Nora Henry
Publisher: Philip Allan
ISBN: 1471885518
Size: 17.89 MB
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Written by experienced teachers Tim Waite and Amber Waite, this Student Guide for practical Chemistry: - Help students easily identify what they need to know with a concise summary of required practical work examined in the A-level ...

Aqa Biology Student Guide 2

Author: Pauline Lowrie
Publisher:
ISBN: 9781471843570
Size: 56.39 MB
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Exam Board: AQA Level: AS/A-level Subject: Biology First Teaching: September 2015 First Exam: June 2016 Written by experienced teacher Pauline Lowrie, this Student Guide for Biology: - Helps students identify what they need to know with a ...

Aqa As Biology Student Unit Guide Unit 1 New Edition Biology And Disease

Author: Steve Potter
Publisher: Hachette UK
ISBN: 1444152882
Size: 52.28 MB
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(1 mark) (ii) What is the function of the structures labelled X? (3 marks) (b) List
three factors that increase the risk of developing coronary heart disease. For
each factor you name, explain how it ... Student. A. (a)(i) X is the cardiac artery a.
(ii) The cardiac arteries carry blood to the heart b so that it can have oxygen. (b)
Smoking increases cholesterol c levels, as can your genes d. If you eat too much
fatty food you will have high cholesterol levels e. 2/7 marks awarded a The
student has ...

Aqa A A2 Psychology Student Unit Guide New Edition Unit 3 Biological Rhythms And Sleep Relationships Aggression And Cognition And Development

Author: Jean-Marc Lawton
Publisher: Hachette UK
ISBN: 1444162179
Size: 51.40 MB
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Social learning of aggression can be seen as more powerful than biology c,
because it explains why different cultures have different levels of aggression as
being due to culturally determined learning experiences. For example, Mead
found tribes in New Guinea differing widely in aggression types and levels. In this
same way social theories can explain individual differences in aggression levels,
though biological theories can also explain them d as varying levels of
neurotransmitters, ...

Aqa A2 Biology Student Unit Guide New Edition Unit 5 Control In Cells And In Organisms

Author: Steve Potter
Publisher: Hachette UK
ISBN: 1444152971
Size: 38.25 MB
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Knowledge. check. 3. An action potential and a generator potential both involve a
change in voltage (potential difference) across a cell surface membrane. How do
they differ? Nerve impulses are 'allornothing' events. There is a certain level of
stimulation needed to initiate a nerve impulse. This is called the threshold level. If
the generator potential produced in the sense cell does not stimulate a nerve cell
above the threshold value, there is.

Aqa A2 Biology Student Unit Guide New Edition Unit 4 Populations And Environment

Author: Steve Potter
Publisher: Hachette UK
ISBN: 1444152947
Size: 69.89 MB
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Therefore, the RuBP cannot be formed again, so the level falls k. 13/15 marks
awarded Rather than give two processes, as asked in (a) (i), this student has
given a three answers. This is a risky strategy; if any were wrong it would cancel
out a mark given for a correct answer. In this case, none is incorrect and the
student gains 2 marks. S/he gains 1 mark for b and another for explaining where
the loss occurs c. S/he gives the correct value in (a)(iii) and provides a partial
explanation of ...