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What is the function of the mitochondria?

The primary role of the mitochondria is to produce the energy currency of the cell, ATP, through respiration, and to regulate cellular metabolism. The processes involved in ATP production are collectively kn...
JH
Answered by Jack H. • Biology tutor
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Explain the roles of specific enzymes in prokaryote DNA replication. [7 marks]

DNA replication is the same in eukaryotes and prokaryotes; the question just emphasizes that the process depends on enzymes and their functions need to be explained. DNA gyrase (or topoisomerase II) relieves...
HS
Answered by Hristo S. • Biology tutor
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Describe blood circulation from the heart to the rest of the body

Deoxygenated blood reaches the heart and enters into the right atrium. Pressure in the right atrium increases which causes the right atrioventricular valve to open allowing the passing of the blood into the ...
PT
Answered by Phaedra T. • Biology tutor
3028 Views

Explain Darwin’s theory of evolution by natural selection.

In an animal population most organisms produce more offspring than can survive to adulthood. For this reason, there is competition with each other for resources, such as food, shelter and mates, in order to ...
SP
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Colour blindness is sex linked and recessive. What is the probability that the son of a carrier female and an unaffected male will be affected by the condition?

The key bit of knowledge required to answer this question is that colour blindness is an X chromosome linked condition. Say the allele for normal vision is (X^N) and the allele for colour blindness is (X^n)....
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Answered by Saahil B. • Biology tutor
3462 Views