Multiple Choice
Which three structures comprise a bacterial flagellum?
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26. Prokaryotes
Prokaryotic Cell Structure
Multiple Choice
What surrounds the cell membrane of most bacteria and provides structure and protection?
A
Nucleus
B
Ribosome
C
Cell wall
D
Cytoplasm
Verified step by step guidance1
Identify the main components of a bacterial cell: cell membrane, cell wall, cytoplasm, ribosomes, and sometimes a nucleus-like region called the nucleoid.
Understand the function of the cell membrane: it acts as a barrier controlling the movement of substances in and out of the cell.
Recognize that the cell wall is a rigid structure that surrounds the cell membrane in most bacteria, providing structural support and protection.
Differentiate between the cell wall and other cellular components: the nucleus is not present in bacteria, ribosomes are involved in protein synthesis, and cytoplasm is the gel-like substance inside the cell.
Conclude that the cell wall is the component that surrounds the cell membrane in most bacteria, providing structure and protection.
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