PEARSON EDEXCEL GCSE 1BI0/H - ADVANCED INFORMATION (MAJOR FOCUS) - SPECIFICATION POINTS - NOT ASSESSED:
(2.11B) Explain how the difficulties of accessing brain tissue inside the skull can be overcome by using CT scanning and PET scanning to investigate brain function.
(2.12B) Explain some of the limitations in treating damage and disease in the brain and other parts of the nervous system, including spinal injuries and brain tumours.
(2.13) Explain the structure and function of sensory receptors, sensory neurons, relay neurons in the CNS, motor neurons and synapses in the transmission of electrical impulses, including the axon, dendron, myelin sheath and the role of neurotransmitters.
(2.14) Explain the structure and function of a reflex arc including sensory, relay and motor neurons.
(4.4) Describe the evidence for human evolution, based on fossils, including: a Ardi from 4.4 million years ago b Lucy from 3.2 million years ago c Leakey’s discovery of fossils from 1.6 million years ago.
(4.5) Describe the evidence for human evolution based on stone tools, including: a the development of stone tools over time b how these can be dated from their environment.
(4.8) Explain selective breeding and its impact on food plants and domesticated animals.
(4.9B) Describe the process of tissue culture and its advantages in medical research and plant breeding programmes.
MINOR FOCUS (COULD BE ASSESSED):
These from my understanding formed the ‘major focus!
(1.7) Explain the mechanism of enzyme action including the active site and enzyme specificity.
(1.8) Explain how enzymes can be denatured due to changes in the shape of the active site.
(1.9) Explain the effects of temperature, substrate concentration and pH on enzyme activity.
(1.12) Explain the importance of enzymes as biological catalysts in the synthesis of carbohydrates, proteins and lipids and their breakdown into sugars, amino acids and fatty acids and glycerol.