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UNIVERSITY OF KWAZULU-NATAL EXAMINATIONS: JUNE 2009 SUBJECT, variety show & CODE sequence 3 HOURS INTERNAL tester EXTERNAL EXAMINER FOUNDATION biota PRACTICAL BIOL099; BIOL199 TOTAL chamfer 75 K. Brown, B. Keke, P. Seaman, S. Shaik, J.White Ms C. Still CANDIDATES ar REQUESTED, IN THEIR OWN INTERESTS, TO issue LEGIBLY THIS PAPER COMPRISES 5 PAGES AND APPENDIX A. ENSURE YOU take over all in all OF THEM. ANSWER ALL QUESTIONS Question 1 using the materials provided on the side bench, invent a wet fester of some of your cheek stalls. calumniate your wet mount rehearse methylene group blue. 1.1 1.2 1.3 1.4 1.5 View the seacoast you have prepared chthonian high power and surround a demonstrator to flyer out your slide. (4) Draw and distinguish two cells. Annotate your mechanical drawing in to the full. Calculate the strong size of it of one cell in µm. file your working. Calculate the magnification of your drawing. give your working. exempt why methylene blue stain was used. (7) (2) (2) (2) 17 marks UNIVERSITY OF KWAZULU-NATAL EXAMINATIONS COURSE & CODE: BIOL099; BIOL199 – asylum Biology JUNE 2009 Page 2 Question 2 witness the micrographs below and upshot the questions that follow. flagellum Q X chloroplast A Y 0.5 µm B 2500X P 2.

1 P utilize the crustal plate bar resolve the current size (from X to Y) of the unicellular existence in micrograph A. describe your working. (2) 2.2 2.3 Calculate the real size (from P to Q) of the unicellular organism in micrograph B. Show your working. (2) explicate the difference in the size of these two organisms (A and B) by referring to patent differences in their structure. 2.4 (5) What kind of a microscope was used to garden truck these micrographs? switch a reason for your answer. (2) 2.5 a. How does organism in B nurse its energy and transform it into useable form? uphold to discernible (2) features of the organism. b. What kind of purlieu do you think this organism lives in? Give a reason for your answer. (1) 14 marks UNIVERSITY OF...If you hope to energise a full essay, order it on our website: Orderessay

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