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Discuss the relationship between the melting point of a fat and the composition and conformation of its fatty acids. Use examples of specific fatty acids to support the discussion. (9 Marks)
3.2 Name and briefly discuss the technological functions of two synthetic emulsifiers that are used in baked products such as bread (8 Marks)
You are preparing soft maize porridge at home using the following procedure: 1) the maize meal is suspended in cold water, 2) it is added to a pan with boiling water and brought to the boil, 3) it is cooked on the stove for 20 minutes while stirring continuously, 4) after cooking the porridge is removed from the stove and cooled to room temperature, 5) it is then stored it the refrigerator until the next day. Explain the chemical, physical and viscosity changes that starch in the maize meal and porridge undergoes during each stage of the process (20 Marks)
A female in her sixties (Mrs J) makes an appointment with her GP because she has been suffering with pains in her legs and having difficulty walking. She is also having problems with her vision. She presents as overweight, bordering on obese. When questioned about her appetite she mentions that she seems to feel thirsty a lot of the time. The GP takes a blood sample and asks the patient to provide an MSU urine specimen. After using a dipstick on both samples, the GP arranges for the patient to attend the clinic for a glucose tolerance test. The results are in Table 1 below.
Table 1: Plasma glucose concentrations (mmol/L) determined for Mrs J
minutes after glucose load
0
30
60
90
120
Patient T
8.5
16.1
16.8
15.9
15.5
1> Using the data for J in Table 1 construct a correctly labelled graph using appropriate software to show the profile and paste it into yourwork.
3> Briefly describe the clinical biochemistry test that would be used to monitor the patient during treatment.
1> Discuss how the outcome of the test relates to the symptoms described by Mrs K
2> Briefly describe the clinical biochemistry test(s) that would be used to monitor the patient during treatment.
3> Using the data for Mrs K in Table 1 construct a correctly labelled graph using appropriate software to show the profile and paste it into your work. (Remember that the title, also called the figure legend, should be below the graph.)
If eight acetyl - Coa are produced from a fatty acyl -CoA in B- oxidation, what is the equivalent number of ATP Molecules synthesized solely from them
Proteins are dynamic macromolecules. To study proteins a scientist needs to understand their chemical and physical properties. You are a scientist working in an analytical laboratory, your job description is to analyse proteins. A crude sample containing a protein is to be analysed. Discuss all steps and techniques that can be employed in order to isolate, characterise, and determine its amino acid sequence.
Discuss the contribution by scientist that led to the development of central dogma. Further explain how genetic information is expressed in proteins.
discuss the formation of a peptide bond at ph 7. in your answer describe the.basic structure of this molecule including covalent bonds linking the amino acids , ionised end groups partial double bond character of the peptide bond. also include in your answer general features.side chains and the importance of associated non covalent bond interactions in protein structure
1. What is the significance of having no fat deposits between the skin and muscle for a frog in cold weather?
A 59yr old man, Koosei was admitted unconscious to the emergency room from a local bar days after DNA tests revealed he was not the biological father of his 6 children. The bartender revealed that he is able to eat only a half-ball of kenkey and black pepper and drinks lots of Oyaw Bitters. Lab result: Test Result Interpretation Blood alcohol 550mg/dl high Plasma Glucose 50mg/dl low Blood lactate 8mmol/L high Blood pH 7.21 low
(i) Give a diagnosis of the clinical condition based on the lab findings. (4mks)
(ii) State the biochemical basis for each of these four (4) results? (8mks)
(iii) Name two (2) biochemical pathways which will be affected in this condition? (4mks)
(iv) How will these pathways be affected? (4mks)
