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Biology
GCSE

Give advantages and disadvantages of treating patients with an artificial heart.

advantages:
it's useful where no other treatment is available or when the patient's near to death
it extends a lifespan

disadvantages:
there's a low success rate
the device ...

SW
Answered by Sally W. Biology tutor
11577 Views

a.) What is homeostasis? b.) Name three ways the body achieves this and why it is important

a.) Homeostasis is the means by which the body maintains a constant internal environment. b.) - Temperature needs to be maintained at 37.5 degrees C in order for the body's enzymes to function correctly. ...

AF
Answered by Alice F. Biology tutor
5045 Views

Name three cell structures that are present in a plant cell but absent from an animal cell.

Plant cells have a cell wall for additional strength and protection. Plant cells also have a large vacuole filled with cell sap to increase the cellular turgor. Finally, plant cells have chloroplasts fill...

GL
Answered by Gabriella L. Biology tutor
21740 Views

What gases will be taken in and given out by a green plant (a) in darkness, (b) in bright sunlight?

(a) In low light intensities a green plant will be taking in oxygen and giving out carbon dioxide. (b) In bright sunlight a green plant will be taking in carbon dioxide and giving out oxygen.

SP
Answered by Sonali P. Biology tutor
15493 Views

Why do enzymes stop working at high temperatures?

With this question, you have to remember that enzymes are proteins. When the temperature gets too hot, the enzyme denatures. Denaturing is where the bonds that hold the enzyme together br...

CR
Answered by Callum R. Biology tutor
8152 Views

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