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An impulse reaches the pre-synaptic neurone, as it does so, the impulse stimulates voltage-gated calcium channels to open, allowing an influx of calcium ions into the pre-synaptic bouton. This stimulat...
It can lead to an increase in the population size of strains of antibiotic-resistant bacteria, such as MRSA
Temperature - the light-independent reaction is temperature sensitive due to being enzymed controlled
CO2 - Is needed as a source of carbon
Light intensity- Needed to 'excit...
With A-level biology it is just as important to know how to answer the question and what the examiners are looking for as it is to have the knowledge to do so. There are common questions that examiners...
They are both cell divisions but there are major differences betwenn them. First of all, meiosis only happens in sex cells (egg cells in women and sperm cells in men) and is a reduction diviosion, i.e....
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