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AQA A-Level Biology

A-Level · AQABiology1371 cards

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Flashcards for AQA A-level Biology (7402), split by the specification's eight topics and then by sub-section, with a subdeck for each of the twelve required practicals and one for the maths skills the specification lists. Delete or suspend any subdeck your course leaves out once the deck is yours.

Adding it gives you your own copy, with every subdeck below. Each card then comes back just before you would forget it, and every one you get right or wrong counts towards your mastery of its topic. You can delete or suspend the parts you are not studying once it is yours.

What is inside (67 subdecks)

  • 3.1 Biological molecules152 cards
    • 3.1.1 Monomers and polymers12 cards
    • 3.1.2 Carbohydrates32 cards
    • 3.1.3 Lipids15 cards
    • 3.1.4 Proteins45 cards
    • 3.1.5 Nucleic acids27 cards
    • 3.1.6 ATP11 cards
    • 3.1.7 Water6 cards
    • 3.1.8 Inorganic ions4 cards
  • 3.2 Cells159 cards
    • 3.2.1 Cell structure66 cards
    • 3.2.2 All cells arise from other cells27 cards
    • 3.2.3 Transport across cell membranes28 cards
    • 3.2.4 Cell recognition and the immune system38 cards
  • 3.3 Organisms exchange substances with their environment137 cards
    • 3.3.1 Surface area to volume ratio8 cards
    • 3.3.2 Gas exchange40 cards
    • 3.3.3 Digestion and absorption21 cards
    • 3.3.4 Mass transport in animals41 cards
    • 3.3.5 Mass transport in plants27 cards
  • 3.4 Genetic information, variation and relationships between organisms145 cards
    • 3.4.1 DNA, genes and chromosomes27 cards
    • 3.4.2 DNA and protein synthesis25 cards
    • 3.4.3 Genetic diversity from mutation and meiosis36 cards
    • 3.4.4 Genetic diversity and adaptation20 cards
    • 3.4.5 Species and taxonomy16 cards
    • 3.4.6 Biodiversity within a community11 cards
    • 3.4.7 Investigating diversity10 cards
  • 3.5 Energy transfers in and between organisms144 cards
    • 3.5.1 Photosynthesis45 cards
    • 3.5.2 Respiration46 cards
    • 3.5.3 Energy and ecosystems23 cards
    • 3.5.4 Nutrient cycles30 cards
  • 3.6 Organisms respond to changes in their internal and external environments148 cards
    • 3.6.1 Stimuli, receptors and control of heart rate36 cards
    • 3.6.2 Nervous coordination38 cards
    • 3.6.3 Skeletal muscles21 cards
    • 3.6.4 Homeostasis53 cards
  • 3.7 Genetics, populations, evolution and ecosystems130 cards
    • 3.7.1 Inheritance50 cards
    • 3.7.2 Populations24 cards
    • 3.7.3 Evolution may lead to speciation22 cards
    • 3.7.4 Populations in ecosystems34 cards
  • 3.8 The control of gene expression124 cards
    • 3.8.1 Gene mutations and protein structure20 cards
    • 3.8.2 Gene expression is controlled by a number of features49 cards
    • 3.8.3 Using genome projects13 cards
    • 3.8.4 Gene technologies42 cards
  • Maths skills90 cards
    • Algebra13 cards
    • Arithmetic and numerical computation18 cards
    • Geometry and trigonometry11 cards
    • Graphs13 cards
    • Handling data35 cards
  • Required practicals142 cards
    • Required practical 1: rate of an enzyme-controlled reaction15 cards
    • Required practical 2: mitosis in root tip squashes12 cards
    • Required practical 3: water potential of plant tissue14 cards
    • Required practical 4: permeability of cell-surface membranes11 cards
    • Required practical 5: dissection of an exchange or transport system11 cards
    • Required practical 6: antimicrobial substances and microbial growth13 cards
    • Required practical 7: chromatography of leaf pigments12 cards
    • Required practical 8: dehydrogenase activity in chloroplasts11 cards
    • Required practical 9: rate of respiration in single-celled organisms11 cards
    • Required practical 10: environmental variables and animal movement11 cards
    • Required practical 11: glucose concentration by colorimetry10 cards
    • Required practical 12: environmental factors and species distribution11 cards

Some of its cards

  • How does a single-celled organism exchange gases with its environment?
    By diffusion directly across its cell-surface membrane
  • What does required practical 9 investigate?
    How a named variable affects the rate of respiration of a culture of single-celled organisms, such as yeast
  • What does required practical 8 investigate?
    How a named factor affects the rate of dehydrogenase activity in extracts of chloroplasts
  • What does required practical 11 investigate?
    The concentration of glucose in an unknown 'urine' sample, using a calibration curve from a glucose dilution series
  • Why can a calculated result only be given to the same number of significant figures as the least precise measurement it uses?
    The result cannot be more precise than the least accurate data it was calculated from
  • What does the fluid-mosaic model describe?
    The arrangement of phospholipids and proteins in a cell membrane, which can move within the layer
  • What is homeostasis?
    The maintenance of a stable internal environment within restricted limits
  • What is the quaternary structure of haemoglobin?
    Four polypeptide chains, each with a haem group
  • What have genome sequencing projects read for a wide range of organisms, including humans?
    Their complete genomes
  • In which part of the chloroplast do the light-dependent reactions take place?
    The thylakoid membranes

And 1361 more once you add the deck.