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Biology

Explain the cell cycle

All the cells that divide they have to pass through cell cycle that comprises of three major stages

What causes the different peaks on an ECG?

ECG or electrocardiogram measures the heart activity and in case of any abnormality the peaks on ECG fluctuate that gives insight into heart anomalies.Heart mus...

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How is a resting potential achieved?

Membrane potential is measured by difference in concentration of ions across the cell membrane. Resting membrane potential is the electrical voltage at which a...

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How can a child have cystic fibrosis when neither of the parents have the disorder?

Cystic fibrosis is a genetic autosomal recessive disorder that is inheritable and can cause damage to the lungs, digestive system and the reproductive system. I...

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What are the two types of immune system?

Immune system acts as the body’s defence system against foreign particles and pathogens. It recognizes and attacks pathogens so that we do not get ill, and stay...

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explain how the nervous system increases heart rate

The normal heart rate is called the basal heart rate, and this can deviate from the normal by external signals from the nervous and hormonal system. The nervous...

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"Describe how genetic fingerprinting is carried out? (example of 6-mark question)"

Genetic fingerprinting or DNA fingerprinting is used to detect several different numbers of repeats of minisatellites in a DNA that generate different patterns...

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