(Done Paper) Review of Biochemistry Assessment  1 2 and 3 Fourth attempt   Biochemistry Assessment 1

(Done Paper) Review of Biochemistry Assessment  1 2 and 3 Fourth attempt   Biochemistry Assessment 1

Review of Biochemistry Assessment  1 2 and 3 Fourth attempt

 

Biochemistry Assessment 1

 

Comments

 

 

Comment for answer 1:

How are glucose and thalidomide relevant in the body, with reference to their chirality? Please review.

 

 

Comment for answer 2:

Okay. Nothing more required.

 

 

Comment for answer 3.

Part a)  Please provide the name of at least one fatty acid found in steak.  L-carnitine is not a lipid so is not relevant in this answer. You also need to describe more the difference in chemical structure between the different lipids.

 

Also, fish oil may be composed of triglycerides, so you need to understand the difference between TGs and fatty acids.  Please indicate your understanding of this.

 

Part b)  Okay, but should include other oils as well as saturated fats.  Also, note that consumption of cholesterol is not the main driver behind cholesterol or LDL levels in the body.  Please add to this.

 

Part c)  Please state which prostaglandin series are promoted by which types of fatty acids, and the effects of those PGs / eicosanoids.

 

 

Comment for answer 4.

 

Part a)  Okay. Nothing more required.

 

Part b)  Okay. Nothing more required.

 

Part c)  Will an increase in temperature increase activity indefinitely?  (Can the temperature be too high?  What would happen?)  Similarly with pH.  Will an increase in either direction continue to increase enzyme activity?  Please show in your answer that you understand this. Please improve on this answer.

 

Part d)  Okay. Nothing more required.

 

Part e)  Correct for an enzyme in carbohydrate metabolism, but you also need to provide one for protein synthesis and one for hormone or NT breakdown.  Insulin is a hormone, not an enzyme, and I’m wondering if this is part of your answer to a different question. Please improve on this answer.

 

 

Comment for answer 4.

 

Part a)  Good.  Nothing more required.

 

Part b)  Okay. Nothing more required.

 

Part c)  Okay. Nothing more required.

 

Part d)  Just about okay.  Last sentence seems to be incomplete.  Which genetic disorder?

 

Part e)  Not complete.  How do viruses affect our genes and cause disease?  Cancer may not be a result of a gene mutation.  How might viruses cause cancer?  (Look at oncogenes).  Please improve on this answer.

 

 

Biochemistry Assessment 2

 

 

Comment for answer 1.

This question is asking for a full outline of Glycolysis, the Kreb’s Cycle, and the Electron Transport Chain; where these occur in a cell; the net ATP production of these an/aerobic phases; all the enzymes involved; as well as how this all relates to the principles of energy transfer. Redo.

 

Comment for answer 2.

Your answer would be improved with a fuller explanation of how many of the B vitamins and CoQ10 are involved in energy production. Redo.

 

Comment for answer 3.

Your answer would be improved with a clearer understanding of the differences between an/aerobic respiration for your explanation, as for an example, anaerobic respiration does require energy. You’re on the right track. Redo.

 

Comment for answer 4.

Your answer would be improved with greater cohesion in your answer, with more emphasis on inter-related lipid metabolism. Redo.

 

Comment for answer 5.

Your answer would be improved by linking AcCoA to ATP production. Redo.

 

Comment for answer 6.

Your answer would be improved if your inferences to fat utilisation were made more clearly, as reserves of glucose would be rapidly used if no carbohydrates were taken in. Redo.

 

Biochemistry Assessment 3

 

Comment for answer 1.

Your answer would be improved if you had a clearer understanding of the enzyme called Aromatase, where it is found (not in beer), and it’s role in obesity, and therefore, the feminisation of obese men. Redo.

 

Comment for answer 2.

Your answer would be improved by maintaining your focus on the hormonal regulation of blood sugar. Redo.

Comment for answer 3.

Your answer would be improved if you addressed your response – to the question, than just making statements. Redo.

 

Comment for answer 4.

Your answer to 4A would be improved by including in your answer, a response to the last sentence in the question; and in 4B iv, the tRNA are not matched to open DNA bases. Redo.

 

Comment for answer 5.

Your answer to 5C would be improved with three clear examples. Redo answer 5C.

 

 

 

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By | 2018-08-11T17:43:28+00:00 August 11th, 2018|Uncategorized|