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What are the X and Y chromosomes?

Really simply, they are the chromosomes which decide whether you’re a boy or a girl. In total we have 46 chromosomes so 23 pairs which sequence everything about us- from the colour of our eyes to the how tal...
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Answered by Fatema R. • Biology tutor
3570 Views

Why does bacteria and sewage cause the death of fish?

This question can be broken down. Sewage contains organic matter which can be broken down, and bacteria need nutrients which they can get from digesting organic matter. Any form of digestion with aerobic bac...
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Answered by Hishaam M. • Biology tutor
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Explain the differences between aerobic and anaerobic respiration (in animals), when the transition occurs and why there is a need for the body to remove lactic acid that is built up during the process?

Respiration occurs within the mitochondria, an organelle in all our living cells. Aerobic respiration occurs when there is sufficient oxygen for the body to completely breakdown glucose into carbon dioxide a...
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Answered by Rabia K. • Biology tutor
2363 Views

Write the balanced symbol equation for aerobic respiration

The word equation is:glucose + oxygen = carbon dioxide + water So the symbol equation is:C 6 H 12 0 6 + 0 2 = CO 2 + H 2 0However this is not balanced, the balanced symbol equation is:C 6 H 12 0 6 + 60 2 = 6...
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Answered by Julius C. • Biology tutor
29213 Views

What is the structure of a protein?

Proteins are a class of molecules made up of small sub-units called amino acids . Every type of protein has a unique structure. The primary structure of a protein is the type and number of amino acids in the...
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Answered by Joanna B. • Biology tutor
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