Q 1. Plants are turgid when they have access to water due to the presence of ______________.

Q 2. Which of the following is the powerhouse of the cell?

Q 3. Prokaryotic cells have all these structures except __________.

Q 4. A biologist investigating the internal structures of a cell should use which of the following microscopes?

Q 5. Single-celled organisms living in a freshwater environment often have to pump water out of their cells. They do this using a(n):

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