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Infections can also be caused by viruses. Describe the lytic pathway of a virus and how this causes the spread of infection through a population.

Infections can be caused by a variety of different microorganisms. Amongst them, pathogenic viruses can cause a range of different condition, such as the common cold (the flu virus) and the HIV virus. Viruse...
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Answered by Jack G. • Biology tutor
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What is the process of diffusion?

Diffusion is the movement of a substance from an area of high concentration to an area of low.For example, imagine spraying a deodorant can. The substance coming out of the can is at high concentration and o...
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Answered by Charles H. • Biology tutor
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How is the small intestine adapted for efficient absorption?

Diffusion is the main mechanism for absorption within the small intestine, so effective diffusion is the key to sufficient nutrient absorption. The small intestine has a very large surface area, created by f...
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Answered by Michelle L. • Biology tutor
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How is the effectiveness of gaseous exchange surfaces in humans increased?

Gaseous exchange in humans takes place in the alveoli in the lungs, the aim is to remove carbon dioxide from the lungs and increase oxygen content of the blood.Increased surface area of the exchange surface ...
LP
Answered by Lowri P. • Biology tutor
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What is the equation for respiration?

Oxygen+glucose=Carbon dioxide+water6O2 +C6H12O6=6CO2+6H2OATP (universal energy currency) is released/formed alongside this reaction
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Answered by Isabel D. • Biology tutor
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