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Biology
A Level

Explain the differences between enzyme inhibitors

There are two types of inhibitors. Competitive inhibitors have a similar tertiary structure to the substrate and so can bind temporarily to the enzyme’s active site. This blocks the active site meaning th...

Answered by Laura N. Biology tutor
2105 Views

Compare and Contrast Meiosis and Mitosis

Similarities:Types of cell division which take place in Eukaryotic cellsDifferences:Meiosis - Occur in sex cells to produce haploid daughter cells; non-iden...

Answered by Lydia A. Biology tutor
3198 Views

Describe how blood is pumped around the heart and the body.

Deoxygenated blood from the body is delivered to the right atrium by the vena cava. The right atrium contracts and blood flows into the right atrium. The right ventricle then contracts and blood is pumpe...

Answered by Bel R. Biology tutor
2373 Views

How does the water potential in the medulla of the kidney remain lower than the water potential in the loop of Henle?

The loop of Henle is designed so that the water moves out of the thinner walled descending limb by osmosis and then ions such as Na+ and Cl- are actively transported out of the ascending limb. This active...

Answered by Oliver G. Biology tutor
5021 Views

three part question 1. what are dissacharides 2. what are maltose, lactose and sucrose formed of 3. what is the bond between them called

the biological molecule formed from the condensation reaction between 2 monosaccharidesmaltose is 2 glucose monomers, lactose is glucose + galactose and sucrose is glucose + fructosea glycosidic bond

Answered by Omkaar D. Biology tutor
2296 Views

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