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Give an example of a specialised cell and two specialised adaptations.
Sperm cell: 1) flagellum 2) Abundance of mitochondria
TD
Answered by
Tutor516653 D.
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Biology tutor
2932 Views
Describe the role of blood vessels in the control of body temperature.
Control of body temperature is called thermoregulation. One mechanism for thermoregulation is the control of blood vessels in the skin to either increase or decrease heat loss.If body temperature is too high...
EF
Answered by
Eleanor F.
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Biology tutor
11966 Views
Mitochondrial DNA can be used as evidence for human evolution. Explain why mitochondrial DNA is used rather than nuclear DNA
The first reason why mitochondrial DNA is better than using nuclear DNA is because it is in a higher abundance than nuclear DNA. Furthermore, mitochondrial DNA is more stable over time and less susceptible t...
RP
Answered by
Riya P.
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Biology tutor
10175 Views
Describe the process of gas exchange between the lung's alveoli and capillary network.
Once the oxygen in the blood has been used by the tissues, oxygen deplete blood is carried to the lungs. This comes into close contact with the oxygen rich environment of the alveoli, and diffusion occurs be...
WG
Answered by
William G.
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Biology tutor
3514 Views
Carbon Dioxide and water are needed for photosynthesis. Write a balanced symbol equation for photosynthesis.
6 CO2 + 6 H2O → C6H12O6 + 6 O2
HB
Answered by
Hannah B.
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Biology tutor
4156 Views
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