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NEW Biology - AQA A-Level > 16.2 Feedback Mechanisms > Flashcards

16.2 Feedback Mechanisms Flashcards

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NEW Biology - AQA A-Level (106 decks)

1.1 - Introduction to biological molecules

1.2 - Carbohydrates - Monosaccharides

1.3 - Carbohydrates - Dissacharides and Polysaccharides

1.4 - Starch, Glycogen & Cellulose

2.1 Structure of RNA and DNA

2.2 DNA replication

2.3 Energy and ATP

2.4 Water and its functions

3.1 Methods of studying cells

3.2 The Electron Microscope

3.4 Eukaryotic Cell structure

3.5 Cell specialisation and organisation

3.6 Prokaryotic cells and viruses

3.8 The cell cycle

4.1 Structure of the cell-surface membrane

4.4 Active transport

4.5 Co-transport and absorption of glucose in the ileum

5.1 Defence Mechanisms

5.2 Phagocytosis

5.3 T lymphocytes and cell-mediated immunity

5.4 Humoral immunity and B lymphocytes

5.6 Vaccination

5.7 The human immunodeficiency virus (HIV)

6.1 Exchange between organisms and their environment

6.2 Gas exchange in single-celled organisms and insects

6.3 Gas exchange in fish

6.4 Gas exchange in the leaf of a plant

6.5 Limiting water loss

6.6 Structure of the human gas-exchange surface

6.7 The mechanism of breathing

6.8 Exchange of gases in the lungs

6.9 Enzymes and digestion

6.10 Absorption of the products of digestion

7.1 Mass Transport - Haemoglobin

7.2 Transport of oxygen by haemoglobin

7.4 The structure of the heart

7.6 Blood vessels and their functions

7.5 The Cardiac Cycle

7.6B - Tissue Fluid

8.1 Genes and the genetic code

8.2 DNA and chromosomes

8.3 Structures of ribonucleic acid

8.4 Polypeptide synthesis - Transcription and splicing

8.5 Polypeptide synthesis - translation

9.1 Gene mutation

9.2 Meiosis and genetic variation

10.1 Species and taxonomy

10.2 Diversity within a community

10.3 Species diversity and human activities

12.1 Glycolysis

12.2 Link reaction and Krebs cycle

12.3 Oxidative phosphorylation

12.4 Anaerobic respiration

13.1 Food chains and energy transfer

13.2 Energy transfer and productivity

13.4 Use of natural and artificial fertiliser

13.5 Environmental issues concerning the use of nitrogen-containing fertilisers

20.1 Gene Mutations

20.2 Stem cells and totipotency

20.3 Regulation of transcription and translation

20.4 Epigenetic control of gene expression

20.5 Gene expression and cancer

20.6 Genome Projects

21.1 Recombinant DNA technology - Producing DNA fragments

21.2 In Vivo gene cloning - use of vectors

21.3 In vitro gene cloning - the polymerase chain reaction

21.4 Locating genes, genetic screening, and counselling

21.5 Genetic fingerprinting

16.1 Principles of homeostasis

16.2 Feedback Mechanisms

16.3 Hormones and the regulation of blood glucose concentration

16.4 Diabetes and its control

19.1 Populations in ecosystems

19.2 Variation in population size

19.3 Competition

19.5 Investigating populations

19.6 Succession

19.7 Conservation of habitats

18.4 Effects of different forms of selection on evolution

Recurring Exam Questions and Answers

14.1 Survival and Response

14.2 Plant Growth Factors

14.3 A reflex arc

14.5 Control of Heart Rate

15.1 Neurones and Nervous Coordination

7.7 Transport of Water in the Xylem

7.8 Transport of Organic Substances in the Phloem

7.9 Investigating transport in Plants

9.3 Genetic diversity and adaptation

9.4 Types of Selection

11.1 Photosynthesis

11.2 Light Dependent reaction

11.3 Light independent reaction

17.1 Studying inheritance

15.2 The Nerve Impulse

13.3 Nutrient Cycles

15.7 Structure of Skeletal Muscle

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