Q1: Cell Types Flashcards
The first cells to appear on Earth.
Prokaryotic Cells
An organism made of a single prokaryotic cell.
Prokaryotes
A cell with no true nucleus.
Prokaryotes
The earliest prokaryotes may have arisen more than ________ ago.
2.5 billion years
single loop of circular DNA in prokaryotes
nucleoids
Size range of prokaryotes
1-10 μm
A rigid envelope surrounding the cytoplasmic membrane of most bacterial species.
peptidoglycan
An additional layer enclosing prokaryotes. It has a sticky surface area, so it allows prokaryotes to cling to surfaces, such as your skin and your teeth.
capsule
Kingdoms where prokaryotes belong
- Kingdom Eubacteria
- Kingdom Archaea
How does prokaryotes reproduce
Asexual reproduction
Attachment structures on the surface of some prokaryotes
Fimbriae
Region where the cell’s DNA is located in prokaryotic cells
Nucleoid
Complexes that synthesize proteins
ribosomes
Jelly-like outer coating of many prokaryotes
Capsule
Locomotion organelles of some bacteria
flagella