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Nutrition
chemical substances (nutrients) obtained from environment & used in cellular activities.
Nitrogen sources:
Makes up proteins, DNA, RNA, ATP.
(These are the primary sources of N for heterotrophs)
Adaptation:
Microbes survive in their habitats through gradual adjustment of anatomy & physiology.
Nutrition:
Is the process which chemical nutrients are acquired through the environment & used in cellular activities (Metabolism & growth)
Essential Nutrients
Any element or molecule that must be provided to an organism.
Have to be obtained from the environment
2 categories of essential nutrients:
Macronutrients
Micronutrients
Examples of micronutrients:
manganese, zinc, & nickle
Organic Nutrients
molecules that contain basic framework of Carbon & Hydrogen & usually products of living things.
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