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Introduction To Bacterial Growth
and Nutrition
Created @November 7, 2024 1:06 PM
Class Microbiology
LO:
Discuss anabolic and catabolic reactions within bacteria
Describe the nutritional requirements of bacteria
Compare and contrast heterotrophic, autotrophic and auxotrophic bacteria
Summarise the usage of nitrogen, phosphorous, sulphur and growth factors
within bacterial metabolism
Anabolism
Biosynthesis, substances being turned into new cellular parts
Catabolism results in energy + nutrients + waste products
Catabolism
Energy for the process is gathered from oxidation of chemical compounds
Results in energy + nutrients + waste products
Catabolic and Anabolic Reactions
Different bacterial cells contains a variety of nutritional requirement and
produces a method for classification
Introduction To Bacterial Growth and Nutrition 1
, Nutritional Requirements
Bacteria need carbon, hydrogen, oxygen, energy source, water and ions
95% of dry weight in microbial cells
Carbon
Oxygen
Hydrogen
Nitrogen
Sulphur
Phosphorus
Potassium
Calcium
Magnesium
Iron
Macro elements
Needed in large quantities
Consists of carbs, lipids, protein and nucleic acids
Cations and their roles
Potassium
Needed for enzyme activity and includes those involved in
protein synthesis
Calcium
Heat resistance of spores
Magnesium
Co-factor, combines with ATP and stabilises ribosomes and
cell membranes
Introduction To Bacterial Growth and Nutrition 2
Introduction To Bacterial Growth
and Nutrition
Created @November 7, 2024 1:06 PM
Class Microbiology
LO:
Discuss anabolic and catabolic reactions within bacteria
Describe the nutritional requirements of bacteria
Compare and contrast heterotrophic, autotrophic and auxotrophic bacteria
Summarise the usage of nitrogen, phosphorous, sulphur and growth factors
within bacterial metabolism
Anabolism
Biosynthesis, substances being turned into new cellular parts
Catabolism results in energy + nutrients + waste products
Catabolism
Energy for the process is gathered from oxidation of chemical compounds
Results in energy + nutrients + waste products
Catabolic and Anabolic Reactions
Different bacterial cells contains a variety of nutritional requirement and
produces a method for classification
Introduction To Bacterial Growth and Nutrition 1
, Nutritional Requirements
Bacteria need carbon, hydrogen, oxygen, energy source, water and ions
95% of dry weight in microbial cells
Carbon
Oxygen
Hydrogen
Nitrogen
Sulphur
Phosphorus
Potassium
Calcium
Magnesium
Iron
Macro elements
Needed in large quantities
Consists of carbs, lipids, protein and nucleic acids
Cations and their roles
Potassium
Needed for enzyme activity and includes those involved in
protein synthesis
Calcium
Heat resistance of spores
Magnesium
Co-factor, combines with ATP and stabilises ribosomes and
cell membranes
Introduction To Bacterial Growth and Nutrition 2
