Question

to carry out their functions, a cells organelles need a consistent environment. all cells are surrounded by a flexible cell membrane, which separates the cytoplasm and organelles from the outside environment. the cell membrane controls which substances are able to move into and out of the cell.
select the true statements.
only plant cells have a cell membrane.
the cell membrane controls what goes in and out of a cell.
the cell membrane creates a distinct environment inside the cell.
the cell membrane is flexible.

Explanation:

• The first statement is false because all cells (not just plant cells) have a cell membrane.
• The second statement is true as per the text: "The cell membrane controls which substances are able to move into and out of the cell."
• The third statement is true as the cell membrane separates the cytoplasm and organelles from the outside environment, creating a distinct internal environment.
• The fourth statement is true as the text mentions "a flexible cell membrane".

Answer:

• "The cell membrane controls what goes in and out of a cell."
• "The cell membrane creates a distinct environment inside the cell."
• "The cell membrane is flexible."