Prokaryotes quick test - answers
Written Questions
- The gel like fluid inside the cell membrane where the reactions of metabolism occur
ANSWER: Cytoplasm
- A rigid non-cellular structure that surrounds the cells of bacteria.
ANSWER: A bacterial cell wall.
- A dense region of DNA in a prokaryotic cell.
ANSWER: Nucleoid
- Organelles made of protein and RNA that direct protein synthesis.
ANSWER: Ribosomes
Multiple Choice Questions
1) A single-celled organism without a nucleus or membrane-bound organelles.
- Nucleoid
- Ribosomes
- Pili
- CORRECT: Prokaryote
b) The basic strutural and functional unit of all organisms.
- Flagella
- CORRECT: Cell
- Cell wall
- Pili
c) Long whip like structures, made from the protein flagellin', that enable movement.
- CORRECT Flagella
- Cell wall
- Nucleiod
- Cell
True/False Questions
- Pili --> hair like protein structures, that allow bacteria to attach to things.
This is true.
- Plasma membrane --> A phospholipid bilayer that surrounds the cell.
This is true.
It should be Cytoplasm → The gel like fluid inside the cell membrane where the reactions of metabolism occur..
- E. coli → A rigid non-cellulose structure that surrounds cells of bacteria
This is false.
It should be E.coli → The Archetypal bacterium. A rod shaped gram-negative bacillus.