OCR A Level Biology:复习笔记1.1.4 Using Units
Using Appropriate Units It essential that the correct scientific measurements are used when discussing biological experiments Ensure that the correct symbols are used in conjunction with the unit o...
OCR A Level Biology:复习笔记1.1.3 Evaluating Experimental Methods
Evaluating Experimental Methods Evaluating experimental methods is an important skill for a scientist A good way to evaluate an experimental design is by repeating the experiment yourself (using th...
OCR A Level Biology:复习笔记1.1.2 Identification of Variables
Identification of Variables Types of variables In an experiment, a variable is any factor that could change or be changed There are different types of variables within an experiment The independent...
OCR A Level Biology:复习笔记1.1.1 Experimental Design
Experimental Design Planning is an essential part of experimental biology Preliminary research can be very helpful when trying to design an experiment to investigate a particular theory or h...
Edexcel A (SNAB) A Level Biology:复习笔记8.2.10 Nature vs Nurture in Brain Development
Nature vs Nurture in Brain Development Brain development refers to the growth of the brain and the formation of connections between neurones, or neural pathways There are a number of factors that c...
Edexcel A (SNAB) A Level Biology:复习笔记8.2.9 Producing Drugs Using GMOs
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...
Edexcel A (SNAB) A Level Biology:复习笔记8.2.8 Personalised Medicine
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...
Edexcel A (SNAB) A Level Biology:复习笔记8.2.7 Action of Drugs on Synapses
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...
Edexcel A (SNAB) A Level Biology:复习笔记8.2.6 Imbalances in Brain Chemicals Leading to Diseases
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...
