There are several specific characteristics for procaryote and eucaryote:
- Procaryotes has a cell wall, in addition to the cell membrane.
- procaryotes has chromatin in the cytoplasm, they do not have a nucleus.
- Procaryotes are small cells visible only at the microscope with x100 objective.
About the eucaryotic cells:
- Eucaryotes have mitochondria,
- Eucaryotes have endoplasmic reticulum
- Eucaryotes have a nucleus with DNA chromatin and nucleoli inside it.
- Eucaryotes are visible in the microscope x40
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Various environmental factors having negative effect on bees fitness are: intensive agriculture with included regular pesticides use, deficiency of eminence food and loss of habitat, pathogens and pests (Brutscher et al., 2016, Goulson et al., 2015a, McMenamin and Genersch, 2015, Tantillo et al., 2015).