NCEA Level 2 Biology Externals

NCEA LEVEL 2 BIOLOGY EXTERNALS

On the diagram (right) label the hydrophobic and hydrophilic ends

Nonsense substitution Substitute

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INDEX

Genotype and Phenotype 128 KEY TERMS AND IDEAS:

124 Environment and Phenotype

123 Skin Cancer: A Non-Inherited Mutation

126 What You Know So Far: Genotype and Phenotype 127 NCEA Style Question:

122 A Case Study: Cystic Fibrosis

121 Effect of Substitution Mutation on Phenotype

119 Mutagens

Nucleic Acids and Proteins

Nucleic Acids and Proteins

106 Cracking the Genetic Code

112 Globular and Fibrous Proteins 113 What You Know So Far:

99 The Structure of Chromosomes

105 What is the Genetic Code?

101 DNA and RNA

104 Transcription

Achievement criteria and explanatory notes

Changes in Gene Pools 97 KEY TERMS AND IDEAS:

95 What You Know So Far: Changes in Gene Pools 96 NCEA Style Question:

89 Modelling Natural Selection

92 The Founder Effect

84 NCEA Style Question: Inheritance of Alleles 85 KEY TERMS AND IDEAS:

87 How Natural Selection Works

90 Gene Pool Model

83 NCEA Style Question: Sources of Variation

60 Sources of Variation

82 What You Know So Far: Sources of Variation

81 Problems Involving Dihybrid Inheritance

77 Problems Involving Monohybrid Inheritance

65 Meiosis

63 Mutations Can Produce New Alleles

59 Alleles

Achievement criteria and explanatory notes

56 What You Know So Far: Cell Division

45 NCEA Style Question: Cellular Respiration 46 KEY TERMS AND IDEAS:

50 Checkpoints in the Cell Cycle

57 NCEA Style Question: Cell Division

49 The Eukaryotic Cell Cycle

58 KEY TERMS AND IDEAS: Cell Division

44 NCEA Style Question: Photosynthesis

Energy Transformations

Respiration 43 What You Know So Far:

30 Energy Transformations in Cells

28 Investigating Catalase Activity

36 Leaf Structure and Photosynthesis

32 Steps in Cellular Respiration

35 Anaerobic Metabolism in Animals

41 Investigating Photosynthetic Rate 42 Modelling Photosynthesis and Cellular

27 Enzyme Reaction Rates

3 The Structure of Animal Cells

Cell Structure and Transport

10 Diffusion in Cells

11 Osmosis in Cells

Cell Structure and Transport

14 Temperature and Membrane Permeability

23 Enzymes

Achievement criteria and explanatory notes

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