15. Drugs
A section of Biology, 0610
Listing 10 of 89 questions
Penicillin is an antibiotic. Explain why doctors give antibiotics to people who are ill. Explain why it is important to complete a full treatment of antibiotics. Penicillin was discovered in 1928 by Alexander Fleming. Name the type of microorganism that produces the antibiotic penicillin. Penicillin is produced commercially in fermenters as shown in . P U T S Q R motor pH control reservoir exhaust outlet inlet for penicillin-producing microorganisms Describe how a fermenter can be sterilised. Table 1.1 shows some names of the parts of the fermenter and their functions. Complete Table 1.1. One row has been done for you. Table 1.1 letter from name function water jacket S nutrient inlet R air supply T outlet allows collection of the liquid containing penicillin after fermentation Describe what happens to the liquid containing penicillin after it is collected from the fermenter.
0610_w16_qp_41
THEORY
2016
Paper 4, Variant 1
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State the type of pathogen that can be treated with antibiotics. State the name of the pathogen that can lead to AIDS. Many pathogens have developed resistance to some antibiotics. A study took samples of pathogens and tested them for resistance to various types of antibiotics. shows the percentage of pathogens sampled that were resistant to various antibiotics. The samples were taken between 2000 and 2013. 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 year percentage of pathogens sampled that show resistance antibiotic A Key: antibiotic B antibiotic C State the meaning of antibiotic resistance. Describe the pattern of resistance for the three antibiotics shown in . Some medicinal drugs, such as human insulin, can be made using biotechnology and genetic engineering. State where insulin is produced in humans. State the function of insulin in humans. State why bacteria are useful in biotechnology. Describe the role of yeast in biotechnology.
0610_w21_qp_33
THEORY
2021
Paper 3, Variant 3
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Questions Discovered
89