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What is the difference between mitosis and meiosis?

Mitosis is used for growth, repair and asexual reproduction whereas meiosis results in the production of gametes needed for sexual reproduction. Mitosis creates 2 cells with diploid chromosomes but meiosis f...
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Answered by Collette M. • Biology tutor
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What is natural selection?

A process by which organisms which are most suited to the environment that they live in are more likely to survive and therefore to reproduce, passing the characteristics which made them most suitable on to ...
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Answered by George A. • Biology tutor
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If the rate of photosynthesis is reduced, why is the rate of respiration also reduced?

Photosynthesis uses light energy to produce glucose from carbon dioxide in the air and water in the soil. Glucose is then used in respiration, so if there is a reduced rate of photosynthesis, less glucose is...
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Answered by Jasmine S. • Biology tutor
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Describe how environmental factors affect the growth of roots and shoots in plants. (6 marks)

Plants are able to respond to the environment in multiple ways. Shoots grow upwards, towards light, in a process called phototropism. Roots, on the other hand, grow downwards into the earth towards moisture ...
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Answered by Holly L. • Biology tutor
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Translation occurs in living cells. Explain how translation is carried out, from the initiation stage onwards.

The mRNA was transcribed, (or copied) form a piece of DNA and it holds the information that is needed for protein synthesis. mRNA is read and the amino acids are eventually put together in a chain (polypepti...
KV
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