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Bacteria. Nutrition Shapes Reproduction Growth Beneficial Structure.

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Presentation on theme: "Bacteria. Nutrition Shapes Reproduction Growth Beneficial Structure."— Presentation transcript:

1 Bacteria

2

3 Nutrition Shapes Reproduction Growth Beneficial Structure

4 Nutrition Producer (Autotroph)

5 Photosynthetic (sunlight) Chemosynthetic (energy from rxns)

6 Nutrition Producer (Autotroph) Consumer (hetertropic)

7 Saprophytic (decay, recycling C,N,P Parasitic (need host, cause harm)

8 Nutrition Producer (Autotroph) Consumer (hetertropic)

9 Shapes Rod Round Spiral

10 Reproduction Asexual

11 Binary fission

12 Clones Mutation

13 Antibiotic resistance

14 Binary fission Clones Mutation

15 Asexual Binary fission

16 Reproduction Asexual Sexual

17 Conjugation

18 Reproduction Asexual Sexual Endospore

19 Resistant phase

20 Reproduction Asexual Sexual Endospore

21 Growth Factors

22 Temperature pH Oxygen Concentration

23 Aerobic Anaerobic Facultative Obligate

24 Factors Temperature pH Oxygen Concentration External solute concentraton (osmosis) Pressure

25 Growth Factors Food Processing

26 Bioprocessing

27 Continous flow- remove products, e.g. yoghurts Batch flow - empty/refil e.g. antibiotics

28 Food Processing Bioprocessing

29 Growth Factors Food Processing Growth curve

30 Lag phase Log phase Stationary phase Survial phase Death phase

31 Growth Factors Food Processing Growth curve Agar

32 Preparation Sterilisation Pouring plates Inoculation Incubation

33 Growth Factors Food Processing Growth curve Agar

34 Beneficial Harmful

35 Food spoilage Pathogen (cause disease)

36 TB Whooping cough Typhoid Cholera

37 Harmful Food spoilage Pathogen (cause disease)

38 Beneficial Harmful Beneficial

39 Genetic Engineering

40 Insulin Drugs Alcohol Vitamins

41 Beneficial Genetic Engineering Cheese, yoghurt Symbiosis

42 Vitamin K N-fixing

43 Beneficial Genetic Engineering Cheese, yoghurt Symbiosis Recycling Antibiotics

44 Beneficial Harmful Beneficial

45 Structure Flagella maybe present No organelles

46 Mitochondria Chloroplast

47 Structure Flagella maybe present No organelles Plasmid Circular DNA No nucleus (prokaryote) Cell wall Single cell


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