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Biology
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Mitosis is important in the life of a multi-cellular organism. Explain why and how mitosis works.

Mitosis allows for growth and development of a living organism. The genetic material inside each cell is doubled as the chromosomes are doubled. The chromosomes line up in the centre of the cell and are p...

HG
Answered by Helen G. Biology tutor
2510 Views

Explain how enzymes speed up chemical reactions and how they are denatured.

Enzymes speed up chemical reactions by lowering the activation energy, which provides an alternative pathway, making it easier to reach the transition state. Enzymes are denatured by changes in temperatur...

TW
Answered by Tara W. Biology tutor
7333 Views

How are living organisms involved in the cycling of carbon?

Examples of living organisms involved in the cycling of carbon include plants, animals and microorganisms. Plants, for instance, take part in photosynthesis - a process through which carbon dioxide is tak...

NM
Answered by Nafeesath M. Biology tutor
6304 Views

Describe the structure of a protein and how it determines its function.

The primary structure of a protein consists of a sequence of amino acids joined together by peptide bonds. This is known as a polypeptide chain, which undergoes the most basic level of folding in the shap...

KB
Answered by Khuzaima B. Biology tutor
2572 Views

Determine the Michaelis-Menten constant from a graph. Compare the affinities of two enzymes that have different Km values. Explain how a competitive inhibitor works and influence Km and Vmax values.

(a) First of all, we have to determine Vmax by using the graph provided. Try drawing a straight line parallel to the x-axis that is very close to the graph and almost s...

NE
2566 Views

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