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What is the Electron Transport Chain (ETC) and how does it help make ATP in cellular respiration?

Cellular Respiration is a three-step process. The Electron Transport Chain (ETC) is the final step of this process, generating majority of the ATP. The first two steps of Glycolysis and Citric Acid Cycle are...
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Answered by Nimra R. • Biology tutor
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Describe how filtration of the blood occurs at the Kidney

Due to the afferent arteriole going towards the glomerulus having a having a larger diameter than the efferent arteriole leaving the glomerulus the pressure increases in the glomerulus. This causes the small...
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Answered by Max S. • Biology tutor
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What gives an enzyme specificity?

Enzymes are typically globular proteins that catalyse a specific reaction. Being proteins, enzymes have a well-defined overall conformation (shape), or 'tertiary structure', which allows formation of a catal...
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Answered by Tom H. • Biology tutor
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Describe the differences between the primary and secondary immune responses in terms of B cells and antibody production. Include in your answer a definition of an antibody.

Antibodies are produced by B cells, mostly by plasma cells, in response to signals from other cells of the immune system. They are also known as immunoglobulins and have a Y shaped structure. When the immune...
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Answered by Hannah B. • Biology tutor
12389 Views

How does genetic engineering work?

It is a simple idea whereby we take new working genes, named wild types, and replace the faulty genes of some ones cells. This means the cells will then take up the new DNA and make a functional version of t...
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Answered by Edward S. • Biology tutor
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