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BIOLOGY eLEARNING WITH DR THUSITHA
EDEXCEL IAL BIOLOGY COURSE
TOPIC 1 (MODULE 1A, 1B & 1C)
MOLECULES, TRANSPORT AND HEALTH
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MODULE 1A - CHEMISTRY FOR BIOLOGISTS
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THE CHEMISTRY OF LIFE
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CARBOHYDRATES MONOSACCHARIDES AND DISACCHARIDES
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CARBOHDRATES POLYSACCHARIDES
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LIPIDS
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PROTEINS
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SUBMIT ASSIGNMENT
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DISCUSSION
MODULE1B - MAMMALIAN TRANSPORT SYSTEMS
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THE PRINCIPLES OF CIRCULATION
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CIRCULATION IN THE BLOOD VESSELS
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THE MAMMALIAN HEART
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THE ROLES OF THE BLOOD
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ATHEROSCLEROSIS
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SUBMIT ASSIGNMENT
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DISCUSSION
MODULE 1C - CVD HEALTH AND RISK
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RISK FACTORS FOR CVD /CORRELATION AND CAUSE
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DIETARY ANTIOXIDANTS AND CARDIOVASCULAR DISEASE
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THE BENEFITS AND RISKS OF TREATMENT
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SUBMIT ASSIGNMENT
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DISCUSSION
TOPIC 2 (MODULE 2A, 2B & 2C)
MEMBRANE, PROTEIN, DNA AND GENE EXPRESSION
MODULE 2A MEMBRANES AND TRANSPORT
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CELL MEMBRANES
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CELL TRANSPORT AND DIFFUSION
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OSMOSIS: A SPECIAL CASE OF DIFFUSION
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ACTIVE TRANSPORT
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THE NEED FOR GAS EXCHANGE SURFACES
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THE MAMMALIAN GAS EXCHANGE SYSTEM
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ASSIGNMENT
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DISCUSSION
MODULE 2B PROTEINS AND DNA
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ENZYMES
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HOW ENZYMES WORK
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THE STRUCTURE OF DNA AND RNA
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HOW DNA WORKS
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THE GENETIC CODE
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DNA AND PROTEIN SYNTHESIS
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ASSIGNMENT
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DISCUSSION
MODULE 2C GENE EXPRESSION AND GENETICS
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GENE MUTATION
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PATTERNS OF INHERITANCE
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SEX LINKAGE
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CYSTIC FIBROSIS: A GENETIC DISEASE
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GENETIC SCREENING
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ASSIGNMENT
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DISCUSSION
TOPIC 3 (MODULE 3A, 3B & 3C)
CELL STRUCTURE, REPRODUCTION AND DEVELOPMENT
MODULE 3A CELL STRUCTUREREPRODUCTION AND DEVELOPMENT
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CELL STRUCTURE
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OBSERVING CELLS
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EUKARYOTIC CELLS
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COMMON CELLULAR STRUCTURES
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EUKARYOTIC CELLS
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PROTEIN TRANSPORT
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PROKARYOTIC CELLS
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THE ORGANISATION OF CELLS
MODULE 3B MITOSIS, MEIOSIS AND REPRODUCTION
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THE CELL CYCLE
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MITOSIS
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SEXUAL REPRODUCTION AND MEIOSIS
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GAMETES: STRUCTURE AND FUNCTION
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FERTILISATION IN MAMMALS AND PLANTS
MODULE 3C DEVELOPMENT OF ORGANISMS
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CELL DIFFERENTIATION
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INTERACTIONS BETWEEN GENES AND THE ENVIRONMENT
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CONTROLLING GENE EXPRESSION
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STEM CELLS
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USING STEM CELLS
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TOPIC 4 (MODULE 4A, 4B & 4C)
PLANT STRUCTURE AND FUNCTION, BIODIVERSITY
AND CONSERVATION
4A PLANT STRUCTURE AND FUNCTION
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THE CELL WALL
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PLANT ORGANELLES
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PLANT STEMS
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WATER AND MINERALS IN PLANTS
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USING PLANT STARCH AND FIBRES
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PLANT-BASED MEDICINES
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DEVELOPING NEW DRUGS
4B CLASSIFICATION
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PRINCIPLES OF CLASSIFICATION
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WHAT IS A SPECIES?
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DOMAINS, KINGDOMS OR BOTH?
4C BIODIVERSITY AND CONSERVATION
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BIODIVERSITY AND ENDEMISM
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MEASURING BIODIVERSITY
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ADAPTATION TO A NICHE
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GENE POOL AND GENETIC DIVERSITY
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REPRODUCTIVE ISOLATION AND SPECIATION
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CONSERVATION: WHY AND HOW
PRACTICALS
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USE A SEMI-QUANTITATIVE METHOD WITH BENEDICT’S REAGENT TO ESTIMATE THE CONCENTRATIONS OF REDUCING SUGARS AND WITH IODINE SOLUTION TO ESTIMATE THE CONCENTRATIONS OF STARCH, USING COLOUR STANDARDS
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INVESTIGATE THE VITAMIN C CONTENT OF FOOD AND DRINK 10 3 INVESTIGATE MEMBRANE PROPERTIES INCLUDING THE EFFECT OF ALCOHOL AND TEMPERATURE ON MEMBRANE PERMEABILITY
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INVESTIGATE THE EFFECT OF TEMPERATURE, pH, ENZYME CONCENTRATION AND SUBSTRATE CONCENTRATION ON THE INITIAL RATE OF ENZYME-CATALYSED REACTIONS
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(i) USE A LIGHT MICROSCOPE TO MAKE OBSERVATIONS AND LABELLED DRAWINGS OF SUITABLE ANIMAL CELLS; (ii) USE A GRATICULE WITH A MICROSCOPE TO MAKE MEASUREMENTS AND UNDERSTAND THE CONCEPT OF SCALE
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PREPARE AND STAIN A ROOT TIP SQUASH TO OBSERVE THE STAGES OF MITOSIS
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USE A LIGHT MICROSCOPE TO: MAKE OBSERVATIONS OF (i) TRANSVERSE SECTIONS OF ROOTS, STEMS, LEAVES; (ii) PLANT TISSUES; (iii) IDENTIFY SCLERENCHYMA FIBRES, PHLOEM, SIEVE TUBES, XYLEM VESSELS AND THEIR LOCATION
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DETERMINE THE TENSILE STRENGTH OF PLANT FIBRES
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INVESTIGATE THE ANTIMICROBIAL PROPERTIES OF PLANTS, INCLUDING ASEPTIC TECHNIQUES FOR THE SAFE HANDLING OF BACTERIA
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