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Excessive dopamine causes schizophrenia. A drug used to treat schizophrenia binds to dopamine receptors in synapses. This binding does not lead to Action potentials. How can the drug used to treat schizophrenia bind to the same receptor as dopamine?

Schizophrenia is caused by excessive dopamine production, which leads to an increase in generation of action potentials at the post synaptic membrane. Drugs used to treat schizophrenia must block binding of ...
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Answered by Abhijit N. • Biology tutor
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What is photosynthesis?

Photosynthesis is the process by which light energy and carbon dioxide are utilised by plants to produce sugars like glucose. Through two reaction cycles, the light-independent and light-dependent reactions....
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Answered by Alexander G. • Biology tutor
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Explain two properties of water that are vital for aquatic life and explain how these arise

Ice floats on water as it is less dense- due to lattice structure of water molecules in ice. This insulates the water below the ice, preventing it from freezing to ensure marine life has suitable temperature...
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Answered by Amna A. • Biology tutor
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Vaccines have become an effective way to prevent certain diseases, however for some viruses it is difficult to develop a vaccine. Describe possible difficulties of developing a permanent vaccine for the influenza virus.

The influenza virus has a very high mutation rate. This means that its surface proteins (antigens) will change. Since a vaccine contains a specific antigen, if the virus switches to a different antigen, then...
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Answered by Nancy L. • Biology tutor
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Explain the stages of the cardiac cycle

The cardiac cycle consists of series of chamber systole and diastole. Systole is the name given to a period when cardiac muscle contract to cause blood ejection from the respective chamber to another. Diasto...
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