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Biology
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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...

AM
Answered by Aliah M. Biology tutor
9142 Views

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 perme...

RL
Answered by Raisa L. Biology tutor
7340 Views

Describe how a non-competitive inhibitor works to inhibit the activity of an enzyme.

Non competitive inhibitor binds to allosteric site of the enzyme (does not bind to the active site of the enzyme).
This binding alters the tertiary structure of the protein meaning that the active si...

AC
Answered by Adam C. Biology tutor
6081 Views

John begins to exercise and his heart rate increases - explain how and why his heart rate increases

His heart rate increases as his cellular demand for oxygen increases and the amount of carbon dioxide in his blood increases, this is due to an increase in the rate respiration because of increased ATP de...

SM
Answered by Sian M. Biology tutor
2272 Views

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 homeostasi...

AC
Answered by Adam C. Biology tutor
6816 Views

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