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What is the difference between competitive and non-competitive enzyme inhibition?

The active site of an enzyme is the place on the enzyme molecule where the substrate (the substance which participates in the reaction catalysed by the enzyme) normally binds. Competitive inhibitors slow dow...
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Answered by Krithi R. • Biology tutor
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What is cross bridge cycling and why is it important in muscle contraction?

In order to understand cross bridge cycling and its importance in muscle contraction, you need to be familiar with the ‘contractile machinery’ that causes muscle contraction and the sliding filament theory. ...
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Answered by Moonisah S. • Biology tutor
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How are blood glucose levels regulated in humans?

Blood glucose homeostasis involves maintaining the levels of blood glucose within a very narrow limit around a set point (90mg 100cm-3). This is done via hormonal regulation. On one hand, insulin which is a ...
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Answered by Christie M. • Biology tutor
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What is chromatin?

The length of a strand of human DNA is much longer than you’d think! In fact if it was laid out in a straight line it would be several metres in length. The size of a nucleus is approximately 6 micrometers i...
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Answered by Jake H. • Biology tutor
14515 Views

What are the differences between the nervous and endocrine systems in maintaining homeostasis?

The nervous system and endocrine system work together to maintain a state of constancy in the body's internal environment despite changes in the external environment. The effect of both systems is achieved b...
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Answered by Danielle S. • Biology tutor
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