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A-Level Biology


Question: Give an account of how poor diet and obesity can increase the chance of a person
developing coronary heart disease (CHD).

As biology, A grade, 38/40

Answer: Malnutrition is not limited to 3rd world countries, anyone who has a...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: 1st
  • Mark: 94%
  • Words: 1764
  • Date submitted: April 11, 2013
  • Date written: March, 2010
  • References: No
  • Document type: Essay*
  • Essay ID: 4653

Question: The Effects of Exercise on the Blood Pressure and Heart Rate of Smokers and Non-Smokers

Answer: Aim: I am going to investigate how aerobic exercise affects the heart...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 66%
  • Words: 2169
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 999

Question: Maintaining cultures of pathogenic micro organisms in public health laboratories is a risk worth taking. Do you agree or disagree?

Answer: The process of maintaining pathogenic cultures has conjured up a variety of...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 63%
  • Words: 797
  • Date submitted: March 13, 2009
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 987

Question: How did the human species evolve?

Answer: The most logical and widely accepted scientific theory on human evolution today...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 61%
  • Words: 3122
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 1001

Question: The importance of water to biological systems.

Answer: Water is essential to life itself, with out water life on earth...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 60%
  • Words: 1400
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: No
  • Document type: Essay*
  • Essay ID: 1005

Question: What functions do the Kidney’s carry out?

Answer: The kidneys are central to homeostatic regulation. They excrete soluble waste, help...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 60%
  • Words: 1161
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: No
  • Document type: Essay*
  • Essay ID: 1002

Question: The Effect of pH on the Rate of Catalase

Answer: Catalase is an enzyme. All enzymes are proteins, made up of a...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 60%
  • Words: 1407
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 998

Question: Protein Haemoglobin

Answer: Haemoglobin is a water soluble globular protein that is similar to other...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: Not available
  • Words: 725
  • Date submitted: February 26, 2016
  • Date written: January, 2015
  • References: No
  • Document type: Essay*
  • Essay ID: 7149

Question: The Central Dogma of Molecular Biology

Answer: DNA central dogma illustrates the flow of genetic information of “DNA to...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: Not available
  • Words: 1996
  • Date submitted: February 26, 2016
  • Date written: January, 2015
  • References: Yes
  • Document type: Essay*
  • Essay ID: 7148

Question: 'BLOOD PRESSURE IS TIGHTLY CONTROLLED BY A NUMBER OF FACTORS IN THE BODY.'

DEFINE how blood pressure is regulated and with reference to these factors and DESCRIBE what changes would occur following an increase in blood pressure.

Answer: Within this essay, I will be discussing the formula of how blood...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: Not available
  • Words: 952
  • Date submitted: February 26, 2016
  • Date written: March, 2015
  • References: Yes
  • Document type: Essay*
  • Essay ID: 7147

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