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6. Eventually, all organisms in a closed culture will die,
7. Primary metabolites are:
- substances produced by bacteria at the end of their life
- substances produced by an organism that aren't part of natural growth: for example a reaction to a foreign substance
- produced by an organism as part of its vital growth
- not essential to the organisms growth, but they are produced anyway
8. The production curve of primary metabolites ________ the population curve of the organism
9. Secondary metabolites usually:
- are only produced because there is excessive nutrient in their environment
- are produced in vast quantities
- have antibiotic properties
- are toxic, to eliminate competing microorganisms
10. The production curve of secondary metabolites ________ the population curve of the organism