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Name and describe the cell division process in human tissue cells

The process of cell division in human tissue cells is called mitosis. Before the cell begins to divide, it grows and duplicates all the sub-cellular structures like ribosomes and mitochondria. Inside the nuc...
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Answered by Sophie T. • Biology tutor
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Explain the cycle of thermoregulation in humans

What is thermoregulation? A way to maintain the bodies temperature through feedback mechanisms to keep the temperature at 37 degrees, which is optimal for functioning. 2)What are the components of thermoregu...
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Answered by Krupa T. • Biology tutor
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Explain how two different species of rabbits could have developed from a common ancestor?

The population of rabbits (common ancestor) must have gotten seperated to form two populations. This could have happened due to a geographical barrier (such as an earthquake) . These two environment must hav...
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Answered by Precious J. • Biology tutor
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Translation occurs in living cells. Explain how translation is carried out, from the initiation stage onwards.

Translation is the process where mRNA in the cytoplasm becomes a functional protein. Translation follows transcription, where an mRNA for a protein-coding gene is made. The mRNA leaves the nucleus through po...
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Answered by Tessa M. • Biology tutor
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Explanation of the lac operon, based on 9700/41/M/J/18 Question 3

It is made up of 3 genes: lacZ, lacY and lacA which encode for B-galactosidase (LacZ), lactose permease (LacY), and another enzyme (not studied at A level) respectively.The functions of LacZ (the enzyme) is ...
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Answered by Jose V. • Biology tutor
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