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How does the adrenaline hormone cause the conversion of glycogen to glucose?

This can best be described as the second messenger model. Adrenaline is a hydrophillic hormone so it only acts on receptors on the cell surface membranes. The hormone fuses to the receptor site which then ac...
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Answered by Kimberley P. • Biology tutor
12668 Views

Mitosis is important in the life of an organism. Give two reasons why

Growth / increase in cell number2. Replace cells / repair tissue / organs /body
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Answered by Lucy D. • Biology tutor
10729 Views

How is an action potential generated?

A nerve cell when at rest is negatively charged, this means that on the inside it is more negative than on the outside. The potential difference is around -70mV. The mechanism that helps to achieve that pola...
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Answered by Veronika L. • Biology tutor
11000 Views

How does temperature affect rate of reaction of an enzyme controlled reaction?

An increase in temperature increases kinetic energy of particles, so collision frequency increases and more enzyme-substrate complexes are formed, therefore rate of reaction increases. The rate of reaction i...
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Answered by Suzie C. • Biology tutor
14914 Views

What is contained within a nucleus of a cell and how is this made up or arranged

DNA is contained within the nucleus of the cell. It contains genes which are a sequence of DNA codes. Each gene codes for a protein. All the DNA is coiled into structures called chromosomes. There are 46 chr...
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Answered by Dipali P. • Biology tutor
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