Cambridge International A Level Biology Revision Guide

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Cambridge International AS Level Biology 9 Copy the diagrams below. A B a Identify with labels which one represents a lipid and which a phospholipid. [1] b i For molecule A, indicate on the diagram where hydrolysis would take place if the molecule was digested. [2] ii Name the products of digestion. [2] c Each molecule has a head with tails attached. For molecule B, label the head to identify its chemical nature. [1] d i Which of the two molecules is water-soluble? [1] ii Explain your answer to d i. [1] e State one function of each molecule. [2] [Total: 10] 10 a Copy the following table to summarise some differences between collagen and haemoglobin. Collagen Haemoglobin 52 [5] Use the following to guide you. Row 1: State whether globular or fibrous. Row 2: State whether entirely helical or partly helical. Row 3: State the type of helix. Row 4: State whether a prosthetic group is present or absent. Row 5: State whether soluble in water or insoluble in water. b State one way in which the structure of haemoglobin is related to its function. [2] c Haemoglobin possesses a quaternary structure. What does this mean? [1] d Name the five elements found in haemoglobin. [2] [Total: 10]
Chapter 1: Cell structure Chapter 3: Enzymes 53 Learning outcomes You should be able to: ■■ explain how enzymes work ■■ ■■ describe and explain the factors that affect enzyme activity use V max and K m to compare the affinity of different enzymes for their substrates ■■ ■■ ■■ explain how reversible inhibitors affect the rate of enzyme activity carry out experiments with enzymes under controlled conditions explain the advantages of using immobilised enzymes
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Mary Jones, Richard Fosbery, Jennif
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University Printing House, Cambridg
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Cambridge International AS Level an
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Cambridge International AS Level Bi
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Chapter 7: Transport in plants a b
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Chapter 7: Transport in plants End-
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Chapter 7: Transport in plants 9 Th
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Chapter 8: Transport in mammals 157
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Chapter 8: Transport in mammals Key
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Chapter 10: Infectious diseases Ver
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Chapter 10: Infectious diseases QUE
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Chapter 10: Infectious diseases End
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Chapter 10: Infectious diseases 8 a
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Chapter 11: Immunity Smallpox was f
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Chapter 11: Immunity Phagocytes Pha
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Chapter 11: Immunity Some of these
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Chapter 11: Immunity variable regio
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Chapter 11: Immunity secrete cytoki
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Chapter 11: Immunity Concentration
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Chapter 11: Immunity Antigenic conc
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Chapter 11: Immunity Autoimmune dis
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Chapter 11: Immunity antigen inject
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Chapter 11: Immunity Summary ■■
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Chapter 11: Immunity 3 Which of the
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Chapter 11: Immunity 10 a Rearrange
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Chapter P1: Practical skills for AS
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Chapter 14: Homeostasis The hypotha
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Chapter 14: Homeostasis The structu
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Chapter 14: Homeostasis The kidney
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Chapter 14: Homeostasis Blood capil
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H 2 O H 2 O Na 5 Key part of the as
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Chapter 14: Homeostasis How ADH aff
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Chapter 14: Homeostasis The control
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Chapter 14: Homeostasis A decrease
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Chapter 14: Homeostasis People with
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Chapter 14: Homeostasis Stomata sho
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Chapter 14: Homeostasis End-of-chap
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Chapter 14: Homeostasis 8 An invest
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Chapter 15: Coordination 329 Learni
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Chapter 15: Coordination central ne
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Chapter 15: Coordination A reflex a
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Chapter 15: Coordination Action pot
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Chapter 15: Coordination What is di
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Chapter 15: Coordination The depola
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Chapter 15: Coordination It is obvi
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Chapter 15: Coordination Structure
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Chapter 15: Coordination binding si
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Chapter 15: Coordination The mornin
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Chapter 15: Coordination Auxins and
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Chapter 15: Coordination Summary
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Chapter 15: Coordination 3 Which of
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Chapter 15: Coordination 12 Gibbere
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Chapter 16: Inherited change Katydi
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Chapter 16: Inherited change Two ty
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Chapter 16: Inherited change The ob
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Chapter 16: Inherited change Phenot
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Chapter 16: Inherited change End-of
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Chapter 17: Selection and evolution
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Chapter P2: Planning, analysis and
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Appendix 2: DNA and RNA triplet cod
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Glossary artery a blood vessel that
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Glossary creatinine a nitrogenous e
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Glossary haemoglobin the red pigmen
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Glossary negative feedback a proces
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Glossary reaction centre a molecule
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Glossary transfer RNA (tRNA) a fold
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Chapter 1: Cell structure Index C3
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Index gluconeogenesis, 317 glucose,
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Index pacemaker, 177 palisade mesop
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Index tar, 190, 191, 193 taste buds
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Acknowledgements Meiosis” in Tuat
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Cambridge International AS and A Le
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Cambridge International A Level Biology Revision Guide

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