Intoduction to Cells
Study Questions

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Correct answers will remain checked.
  1. Prokaryotic cells: (check all that apply.)
  1. have no nucleus and, therefor, no DNA
  2. can have a cell wall and a plasma membrane
  3. can synthesize proteins
  4. have ribosomes
  1. Eukaryotic cells: (check all that apply)
  1. can have a cell wall and a plasma membrane
  2. have plasmid DNA
  3. unlike prokaryotic cells, can carry out cellular metabolism because they have membrane-bound organelles
  4. generally, are much smaller than prokaryotic cells
  5. have ribosomes
  1. Prokaryotes and eukaryotes can be distinguished from one another by: (check all that apply)
  1. the presence of a plasma membrane
  2. the ability to carry out cellular metabolism because they have membrane-bound organelles
  3. the presence of DNA
  4. the presence of membrane-bound organelles
  1. Which of the following is NOT a part of cell theory?
  1. all cells come from pre-existing cells
  2. the cell is the basic functional and structural unit of life
  3. all cells have a plasma membrane and ribosomes
  4. all organisms are composed of cells
  1. Organisms can be unicellular or multicellular.
TRUE
FALSE
  1. Atoms are the basic structural and functional units of life.
TRUE
FALSE
  1. All bacteria are harmful and serve no useful purpose.
TRUE
FALSE
  1. Only prokaryotes have a cell wall.
TRUE
FALSE
MATCHING: (9-23 are either a, b, or c)
(use lower case; incorrect responses will be replaced with a "?".)

9. protein synthesis a. prokaryote

10. membrane-bound organelles b. eukaryote

11. plasmid DNA c. both prokaryote and eukaryote

12. humans

13. ribosomes

14. DNA

15. bacteria

16. cell wall

17. mitochondria

18. cellular respiration

19. nitrogen fixation

20. come from pre-existing cells

21. nuclear membrane

22. cholorplast

23. plasma membrane
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