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Biology
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Explain the role of Calcium in muscle contraction

Action potential that travels down the motor neuron and reaches neuron terminal causes release of Calcium form sarcoplasmic reticulum. This released calcium will reveal binding sites on actin, hence expos...

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Answered by Stasa T. Biology tutor
22295 Views

Identify 3 different antibiotics and describe how they work.

Antibiotics are important for treating bacterial infections that may be making us ill. There are many different antibiotics that work in different ways, and therefore they are suitable for treating differ...

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Answered by Madeleine H. Biology tutor
3248 Views

What is the difference between mitosis and meiosis?

Mitosis is the production of two genetically identical diploid daughter cells in one division while meiosis is the formation of four genetically different haploid daughter cells in two divisions. Mitosis ...

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Answered by Oskar D. Biology tutor
3837 Views

What is the Electron Transport Chain (ETC)?

The electron transport chain is a process that occurs in the inner membrane of mitochondria. It involves the transport of electrons through 4 complexes in the membrane, which provides energy for the trans...

AJ
Answered by Adam J. Biology tutor
5782 Views

"Hormones are secreted by endocrine glands." Explain the meaning of this statement.

Firstly, lets define each of the important scientific words here. Hormones are chemical messengers in the body which aid in the chemical coordination of different functions, for example, related to homeos...

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Answered by Adam H. Biology tutor
7121 Views

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