Cell Structure Observation
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Cell Structure Observation
Identify the evidence
Use your knowledge of cell structures to answer Questions 1–4.
- The smallest unit that can carry out life processes
- A structure found only in plants
- A non-living part of an organism
- A group of organs working together
Match structure to job
Cell structures work together, but each has a particular role.
- Nucleus
- Cell membrane
- Cytoplasm
- Chloroplast
- Controls what enters and leaves
- Site of photosynthesis
- Controls the cell’s activities
- Where many cell reactions happen
The microscope challenge
A science club prepares a slide of onion skin. They start on the lowest-power objective lens, focus carefully, and then move to higher power if needed. Their sketch uses clear outlines, labels and a pencil.
Explain your thinking
Apply what you know about cell structures to these situations.
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