AQA A level Biology Topic 4. Genetic diversity and adaptation (3.4.4) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and includes check point questions and exam questions to test knowledge. Questions included as Word doc. • Explain why organisms are different from one another. • Describe what factors influence GENETIC DIVERSITY • Explain how REPRODUCTIVE SUCCESS affects ALLELE FREQUENCY within a GENE POOL • Explain how genetic diversity enables NATURAL SELECTION Handout includes exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

AQA A level Biology Topic 4. Genetic Diversity. Types of Selection (3.4.4) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and includes exam questions to test knowledge. Questions included as Word doc. • Describe what selection is. • Describe the environmental factors which exert selection pressure. • Explain what stabilising and directional selection are. Handout includes exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

AQA A level Biology Topic 4. Protein synthesis (3.4.2) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and includes check point questions and exam questions to test knowledge. Questions included as Word doc. I’ve included some video links within the presentation that my students have found useful to watch as reinforcement. Explain how pre-messenger RNA is produced from DNA in transcription. Describe the role of the enzymes DNA helicase and RNA polymerase Describe how pre-messenger RNA is modified to form messenger RNA through splicing. Describe the role of ribosomes and tRNA molecules in polypeptide synthesis in translation. Handout includes exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

AQA A level Biology Topic 4. DNA and Chromosomes (3.4.1) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and includes check point questions and exam questions to test knowledge. Questions included as Word doc. Distinguish between the DNA in prokaryotic cells, mitochondria and chloroplasts and the DNA in eukaryotic cell nucleus. Describe the structure of a chromosome. Explain how genes are arranged on a DNA molecule. Describe the nature of homologous chromosomes. Explain what is meant by an allele. Handout includes plenary questions and exam questions for independent work. All answers are included on the presentation. Video link also included on the powerpoint to help reinforce learning. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

AQA A level Biology Topic 4. Structure of RNA (3.4.2) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and includes check point questions and exam questions to test knowledge. Questions included as Word doc. • Define the terms genome and proteome • Describe the structure and role of messenger RNA (mRNA) • Describe the structure and role of transfer RNA (tRNA) • Describe the structure of a ribosome • Compare the structure of DNA, mRNA and tRNA Handout includes plenary questions and exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

Competition. Factors organisms compete for. Intraspecific and interspecific competition with examples. Includes a starter and exam question with mark scheme.

AQA A level Biology Topic 1. Enzyme Inhibition (3.4.4) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and includes check point questions and exam questions to test knowledge. Questions included as Word doc. • Describe the nature of enzyme inhibition. • Explain how competitive inhibitors and non-competitive inhibitors affect the active site. • Describe and explain how inhibitors affect the rate of enzyme-controlled reactions. Handout includes exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

AQA A level Biology Topic 4. Genetic diversity can arise as a result of Mutation (3.4.3) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and exam questions to test knowledge. Questions included as Word doc. • Describe gene mutations. • Explain how deletion and substitution of bases result in different amino acid sequences in polypeptides. • Explain why some mutations do not result in a changed amino acid sequence. • Describe what chromosome mutations are. Handout includes exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

Includes DNA structure recap as a starter. Possible mechanisms for DNA replication. Meselson-Stahl experiment for semi-conservative replication. Video link. Practical activity to model DNA replication. Enzymes involved in DNA replication.

The lesson covers the following learning outcomes: Be able to describe the gross and microscopic structures of a skeletal muscle. Describe and label the arrangement of actin and myosin within a myofibril. Describe the main properties of slow and fast twitch fibres. List the differences between slow and fast twitch fibres Describe how the sliding filament theory of muscle contraction cause muscle to contract and relax. Summarise the evidence that supports the sliding filament theory. Describe the cross bridge cycle. State where the energy for muscle contraction comes from. Please visit my shop where I will be regularly adding new powerpoints to cover the NEW (2015) AS and A2 AQA Biology spec.

AQA Biology 2nd year powerpoint presentation. Covers the structure of synapses, transmission across them and the effect of different neurotransmitters and drugs. Includes a step by step animation of transmission across the synapse.

An introduction to the new 2015 AQA A level biology. This lesson includes explanations of the key words monomers, polymers and polymerisation. Types of chemical bonds, condensation and hydrolysis and Mole and molar solutions with worked examples.

Definitions and clear explanations of key ecological terms such as niche, biotic, abiotic etc. Starter, summary, plenary and exam question tasks included within the presentation.

Predator prey relationship. Cyclic fluctuations in population size. Examples of predator prey relationships. Also, includes, starter, summary questions, exam question, mark scheme and crossword plenary. Originally made for A2 class but can be easily adapted for a GCSE class.

AQA A level Biology Topic 1. Enzyme Action (3.1.4.2) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and includes check point questions and exam questions to test knowledge. Questions included as Word doc. • Explain how enzymes speed up chemical reactions • Describe how the structure of enzyme molecules relates to their function • Explain the lock and key model of enzyme action. • Explain the induced-fit model of enzyme action. Handout includes exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

3.4.1 Genes and the Triplet code. This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation outlines the key features of the Triplet code along with check point questions and exam questions to test knowledge. Handout includes gap fill activity and exam questions for independent work. All answers are included on the presentation. Video link also included to help reinforce learning. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

AQA A level Biology Topic 4. Courtship behaviour (3.4.5) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and includes video links to illustrate different courship behaviours and exam questions to test knowledge. Questions included as 2 Word docs. • Explain the concept of a species • Explain how courtship is a precursor to mating • Explain the role of courtship in species recognition Handout includes 2 exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

AQA A level Biology Topic 4. Species and Taxonomy (3.4.5) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objectives and includes check point questions and exam questions to test knowledge. Questions included as a Word doc. • Explain the concept of a species • Outline how phylogenetic classification is based on grouping organisms based upon the evolutionary relationships. • Outline how species are named • Explain the principles of classification • Explain how classification is related to evolution Handout includes summary questions and lots of exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back.

AQA A level Biology Topic 4. Clarifying evolutionary relationships (3.4.5) This resource has been made for AQA A level biology but is suitable for all exam boards. The presentation covers the following learning objective and includes the subject knowledge as well as exam questions to test knowledge. Questions included as a Word doc. • Describe and explain how advances in genome sequencing (DNA, mRNA or amino acids) and immunology allowed scientists to investigate evolutionary relationships between species. Handout includes exam questions for independent work. All answers are included on the presentation. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back. If there’s anything you need then let me know!

AQA A level Biology Topic 4. Meiosis and Genetic Diversity (3.4.3) This resource has been made for AQA A level biology but is suitable for all exam boards. The lesson includes a powerpoint presentation covering the learning objectives below. There are 4 Success criteria exam questions as well as additional exam questions to test knowledge. Starter slides are included and I’ve added ones you can print as hidden slides on the powerpoint. A fun practical activity is also included to help students model meiosis. Questions are included as a 5 Word documents and all the answers are included on the powerpoint as well. This lesson could easily be stretched over two lessons. LOs: • Complete diagrams showing the chromosome content of cells after the first and second meiotic division, when given the chromosome content of the parent cell. • Explain the different outcomes of meiosis and mitosis. • Recognise where meiosis occurs given information about unfamiliar life cycles. • Explain how crossing over, independent segregation and random fertilisation lead to genetic variation within a species. I am updating all my resources for all 8 AQA A level Biology topics in my TES shop so please keep checking back. If there’s anything you need then let me know!