Prokaryotes quick test - answers

Written Questions

  1. Hair-like protein structures, that allow bacteria to attach to things.

ANSWER: Pili

  1. The archetypal bacterium.
    A rod shaped gram-negative bacillus.

ANSWER: Escherichia coli (E. coli)

  1. Organelles made of protein and RNA that direct protein synthesis.

ANSWER: Ribosomes

  1. A dense region of DNA in a prokaryotic cell.

ANSWER: Nucleoid

Multiple Choice Questions

  1. A single-celled organism without a nucleus or membrane-bound organelles.
    1. Nucleoid
    2. Ribosomes
    3. Pili
    4. CORRECT: Prokaryote
  2. A rigid non-cellulose structure that surrounds cells of bacteria
    • Flagella
    • Cytoplasm
    • Cell
    • CORRECT: Cell wall
  3. A phospholipid bilayer that surrounds the cell
    • Ribosomes
    • Flagella
    • Prokaryote
    • CORRECT: Plasma membrane

3 True/False Questions

  1. Cell → The basic structural and functional unit of all organisms.

This is true.

  1. Cytoplasm → The basic structural and functional unit of all organisms.

This is false.

It should be Cytoplasm → The gel like fluid inside the cell membrane where the reactions of metabolism occur..

  1. Flagella → The basic structural and functional unit of all organisms.

This is false.

It should be Flagella → Long, thin, whip-like structures, with a core of microtubules, that enable movement..

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