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AS and A Level: Molecules & Cells
1,730 AS and A Level Molecules & Cells essays
- Marked by Teachers essays 30
- Peer Reviewed essays 26
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Cellular Structure amd Function
5 star(s)A very comprehensive and detailed piece of work on cells. The function and structure of all the major cell types are described and explained along with a simple diagram to…
- Essay length: 1907 words
- Submitted: 22/07/2012
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Marked by teacher:
Louise Star
10/04/2013
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The Biological Importance of Water
4 star(s)****
The opening of this essay is exceptional, and there are some really good points throughout. The student provides a fantastic level of detail, and shows he has done…- Essay length: 1332 words
- Submitted: 17/09/2012
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Marked by teacher:
Rebecca Lewis
24/09/2012
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How can we control the infection rates of MRSA in hospitals? issue report
4 star(s)**** A very good AS report, which clearly outlines the problems associated with hospital infections such as MRSA, outlines how improved hygiene appears to be reducing infection incidence, and explores…
- Essay length: 1730 words
- Submitted: 30/10/2011
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Marked by teacher:
Kerry jackson
28/02/2012
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effect of concentration of copper sulphate on the action of amylase to break down starch.
4 star(s)
****A very well researched and presented report in which the key elements of A level coursework are addressed well. The report could be improved by considering the…- Essay length: 8508 words
- Submitted: 14/11/2010
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Marked by teacher:
Stephanie Wells
26/04/2013
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DESCRIBE THE STRUCTURAL COMPARTMENTATION OF MAMMALIAN CELLS AND THE DIFFERING FUNCTIONS OF THESE COMPARTMENTS
4 star(s)This essay covers the structure and function of mammalian cell organelles in a fair level of detail, certainly adequate for A' Level. The information provided about each organelle is well-organised…
- Essay length: 1510 words
- Submitted: 28/01/2005
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Marked by teacher:
Ross Robertson
17/12/1999
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How does the concentration of enzymes affect the breakdown of starch by a-amylase in biological washing powders?
4 star(s)****
A very thoroughly planned and documented report which shows the student has considered the way in which the variables are controlled and sources of error in depth. The project…- Essay length: 12799 words
- Submitted: 24/02/2004
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Marked by teacher:
Stephanie Wells
26/04/2013
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The structure and function of the ileum in relation to absorption and digestion.
4 star(s)Much of the relevant information is included in this essay but its overall structure needs some reworking. A clear distinction between digestion and absorption would make it easier to…
- Essay length: 680 words
- Submitted: 04/02/2004
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Marked by teacher:
Ross Robertson
01/03/2013
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My task is to describe how the cell structure of different cells is related to their function. I am going to carry out my task by researching different cells such as animal, plant, nerve cells etc.
4 star(s)A very good summary of some of the specialised cells. Diagrams that are included are mostly well labelled and used. Would be good to include more specialised such…
- Essay length: 859 words
- Submitted: 16/09/2003
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Marked by teacher:
Louise Star
09/04/2013
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Investigating the breakdown of hydrogen peroxide using celery tissue to supply the enzyme catalyst
4 star(s)This is a good essay that discusses the break down of hydrogen peroxide. The method is clearly laid out and there is a good analysis of the results.
- Essay length: 2343 words
- Submitted: 11/07/2002
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Marked by teacher:
Sam Morran
08/01/2013
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The aim of this activity is to investigate the effect of a reduction in enzyme concentration on the rate of reaction, in this case the breakdown of protein by protease enzymes.
3 star(s)A good write up, the theory in the introduction is informative and reinforces the hypothesis. The results table is a little confusing but the conclusion hightlights what may have…
- Essay length: 890 words
- Submitted: 27/03/2012
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Marked by teacher:
Louise Star
10/04/2013