BIO2041: Lecture 4 Simms 0.0 / 5 ? BiologyLecture 4UniversityOther Created by: LMoneyCreated on: 14-05-14 12:05 69732518410 Across 1. what kind of curve comes about from plotting the log of the number of surviving cells? (8, 4) 4. methylene blue and resazurin are what type of indicators? (5, 10) 5. after mixing milk with PNPP substrate, if enzyme is active PNP is released which is what colour? (6) 8. which stage of growth is more heat resistant? (10) 9. when microbial cells are killed what rate do they die at? (11, 4) 10. the 12D concept is used to destroy the heat resistant spores of which organism? (11, 9) Down 2. what needs to be taken into account in pasteurisation? (4, 1, 3, 1) 3. cous (4) 6. what is the main target of canning if pH of food > 4.6? (2, 9) 7. is the phosphatase enzyme present in milk more or less resistant to heat than Coxiella burnetii? (4, 9)
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