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BIOL 133 Week 3 Chapter 4 Study Questions with Answers

1. _________________ prevent material from moving in or out of the brain’s capillaries
2. When comparing prokaryotes and eukaryotes, flagella
3. The shape of the cell is predominantly maintained by the
4. Decondensed chromatin is located within the
5. Cardiac muscle requires junctions that allow electrical signals through. Cardiac muscle also relies on calcium to contract. What junction is involved and what organelle stores calcium?
6. If an integrin protein is mutated what cell function might be affected?
7. Plants, fungi and bacteria all have what similarity?
8. What is the pathway in which a protein moves through the endomembrane system?
9. Larger cells function less effectively because as they increase in size, the surface area to volume ratio ______________.
10. The cell theory states