K5BIO1 Biological molecules personal learning checklist

AQA A-level Biology · Papers 1, 3

Name ____________________ Class __________ Date __________

Tick one box per statement. Red: need help. Amber: partly confident. Green: can do independently.

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Monomers, polymers and biochemical reactions
Distinguish biological monomers, polymers and other large molecules
Explain condensation and hydrolysis using molecules, bonds and water
Calculate linkage and water counts for a specified polymer construction
Carbohydrate structure and function
Recognise monosaccharides and distinguish alpha and beta glucose
Explain disaccharide formation and identify the constituent sugars
Relate amylose, amylopectin and glycogen structures to storage functions
Explain cellulose microfibril structure and plant-wall tensile strength
Explain why linkage specificity limits human carbohydrate digestion
Lipids and membrane-forming properties
Explain triglyceride formation and distinguish lipids from true polymers
Relate fatty-acid saturation and geometry to packing and physical properties
Relate triglyceride properties to energy storage
Explain phospholipid structure and bilayer organisation in water
Proteins, bonding and molecular shape
Recognise amino-acid structure and explain peptide formation
Distinguish primary, secondary, tertiary and quaternary protein structures
Relate protein folding, bonding and chemical groups to function
Explain denaturation without confusing folding loss and primary-sequence hydrolysis
Enzyme action and factors affecting rate
Explain catalysis, activation energy and induced fit
Explain enzyme temperature effects and distinguish reversible slowing from denaturation
Explain how pH can affect enzyme binding and functional structure
Interpret effects of substrate and enzyme concentrations with limiting conditions
Compare competitive and non-competitive inhibition in the stated models
Determine an initial reaction rate using a tangent and correct units
Distinguish intracellular and extracellular enzyme roles
Nucleotides, DNA and RNA
Compare nucleotide, DNA and RNA structures and roles
Calculate DNA base proportions with justified assumptions
Semi-conservative replication and evidence
Explain semi-conservative replication and the separate enzyme roles
Evaluate density-labelling evidence against alternative replication models
ATP and coupled reactions
Explain ATP structure, hydrolysis, coupling and phosphorylation
Explain why ATP resynthesis requires an appropriate energy-transfer process
Water, inorganic ions and quantitative relationships
Explain water polarity and distinguish covalent bonds from hydrogen bonding
Distinguish water's metabolite and solvent roles
Explain specific roles of hydrogen, iron, sodium and phosphate species
Biochemical tests and quantitative practical methods
Plan and interpret biochemical tests with appropriate controls and precautions
Prepare dilution standards and interpret a validated calibration relationship
Interpret chromatograms and calculate Rf with appropriate identification limits
Plan a controlled required-practical enzyme investigation
Evaluate uncertainty, anomalies, repeatability and systematic limitations

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