Answers to SAQs

We will see from the answer to part (i) of SAQ 5.8 that if the charge required by the double-layer is enormous, then all of the charge passed is non-faradaic and thus electroanalysis using such an electrode is impossible. 

SAQ 4.15 Use the data in the Resource Material to answer the following question. It is 1977. The bacterial SCP from methanol plant referred to in Table 4.9 does not produce protein at a price that competes with soya protein. By how much would the cost of methanol have to fall in order that the protein from such a plant can be produced competitively with soya protein You can assume i) that the SCP processes referred to in Tables 4.7 and 4.9 to 4.15 are of 2 x 10s tons annual capacity, ii) that yield on methanol is 0.5kg biomass per kg methanol, iii) bacterial SCP contains 60% protein. 

Since you are now familiar with the types of chemical modifications that may be mediated by biological systems, you should be able to answer the following SAQ regarding the modification of prostaglandins. 

We have introduced self assessment questions (SAQ) at appropriate places in the text. These SAQs provide for you a way of finding out if you understand what you have just been studying. There is space on the page for your answer and for any comments you want to add after reading the author s response. You will find the author s response to each SAQ at the end of the text. Compare what you have written with the response provided and read the discussion and advice. 

Are you ready to face your looming exams If you have done loads of work, then congratulations we hope this opportunity to practice SAQs, EMQs, MCQs and Problem-based Questions on every part of the core curriculum will help you consoHdate what you ve learnt and improve your exam technique. If you don t feel ready, don t panic - the One Stop Doc series has all the answers you need to catch up and pass. 

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