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Questions and Answers
_______ were the first forms of life on earth
_______ were the first forms of life on earth
Prokaryotes
Which of the following is a characteristic of gram-positive bacteria?
Which of the following is a characteristic of gram-positive bacteria?
- They have an outer membrane
- They have a thick peptidoglycan layer in their cell wall (correct)
- They have flagella for movement
- They have a thin peptidoglycan layer in their cell wall
Which of the following is a characteristic of gram-negative bacteria?
Which of the following is a characteristic of gram-negative bacteria?
- They have a thick peptidoglycan layer in their cell wall
- They have flagella for movement
- They have a thin peptidoglycan layer in their cell wall
- They have an outer membrane (correct)
