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Explain why dead plants decay faster in soil which earthworms inhabit compared to soil which lacks any earthworms.

Dead plants are able to decay faster in soil where earthworms live as earthworms disrupt the compact nature of the soil allowing more oxygen to reach the soil. This means there is more aerobic respiration of...
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Answered by Aliah M. • Biology tutor
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Temperature affects cell membrane permeability. At high temperatures, proteins that support and maintain cell membranes may be denatured, increasing membrane permeability.How may membrane permeability change at low temperatures?

It is important that a cell membrane is intact as it protects cell contents from the external environment, and controls what can enter and exit the cell. At temperatures below normal, cell membrane permeabil...
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Answered by Raisa L. • Biology tutor
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During exercise changes happen at the skin involving blood vessels and sweat glands, describe these changes.

During exercise body temperatures increase, as this can be damaging to biological processes (enzymes may be denatured) the body tries to maintain a constant body temperature in a process called homeostasis. ...
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Answered by Adam C. • Biology tutor
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Describe how the small intestine is adapted for the absorption of nutrients

The small intestine has several adaptations to facilitate the absorption of nutrients: a short diffusion distance (single layer of epithelium) to maximise absorption, a good blood supply to rapidly transport...
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Answered by Tashi C. • Biology tutor
5207 Views

Describe the life cycle of a virus.

Attachment. A virus, for example a bacteriophage attaches to the surface receptor of the host bacterial cell.Penetration. The virus injects the viral DNA genome through the cell wall and the cell membrane an...
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Answered by Celine A. • Biology tutor
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