ch4
Terms
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- cell
- basic unit of metabolism in most living organisms
- what is the only type of organism without a cell?
- viruses
- the cell theory
- earliest laws of biolofy but was reduced to a theory after the discovery of viruses
- cell theory 1-3
- all living organisms are made up of cells with the exception of viruses
- eukaryotic cell
- have most of their DNA packaged within a nucleus cell
- prokaryotic cell
- have DNA scattered throughout entire cell
- heterotrophic cell
- have to acquire food from an outside source
- autotrophic cell
- manufacture own internal source of food
- aerobic
- require oxygen to survive
- anaerobic
- are killed by o2
- facultative
- can survive with or without o2