Producing Drugs Using GMOs Genetic engineering is a technique used to deliberately modify a specific characteristic of an organism The technique involves removing a gene that codes for a desired ch...
耶鲁大学公布早申请的数据 今年TOP大学的竞争有多激烈？ 今年早申阶段共有7,777名学生递交2023年秋季入学申请，这一人数为耶鲁历史上第二。 2021年的7,939人为目前历史第一，今年早申人数比2022年的7,288人增加6...
Personalised Medicine Personalised medicine involves the development of targeted drugs to treat a variety of human diseases in individuals with different genotypes Such drugs can be tested on synth...
Action of Drugs on Synapses The chemicals in drugs can have a major impact on the functioning of the brain and nervous system Some prescription drugs can have a beneficial effect on those suffering...
Imbalances in Brain Chemicals Leading to Diseases Neurotransmitters are chemicals that transmit nerve impulses across synapses Some disorders and diseases are linked to an imbalance of neurotransmi...
Habituation Animals must respond to changes in their external and internal environments in order to survive Changes in the environment, or stimuli (singular stimulus) are detected by specialised re...
The Role of Animal Models in Research The human brain is very difficult to study The brain is complex and its tissues are delicate meaning that it is easy to cause damage during a surgical examinat...
Development of the Visual Cortex The visual cortex is the region of the cerebral cortex in which visual information is processed The cerebral cortex is the outer layer of the cerebrum Soon after bi...
Studying the Brain Our understanding of brain structure and function is limited The brain is incredibly complex and very delicate Different regions work together to bring about brain function so ca...
Brain: Structure & Function The brain, alongside the spinal cord, is part of the central nervous system (CNS) The brain is made of billions of interconnected neurones Within the brain are diffe...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：4.1.2 Naming Organic Compounds Naming Organic Compounds Names of compounds The names of organic compounds have two parts: the prefix or stem...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：4.2.2 Combustion Fuels & Combustion The combustion of fossil fuels is the major source of atmospheric pollution Fossil fuels include: co...
