Complete each sentence or otherwise answer each question in thespaces below.

1. The most important quality of a good microscope is notmagnification but _______________, the ability to distinguish details.

2. A cell with numerous pointed processes is described as _______________ inshape because of its resemblance to a star.

3. All contents of a cell between the plasma membrane and thenuclear envelope are called the _______________.

4. Phospholipid molecules with carbohydrate groups covalently boundto them are called _______________.

5. Proteins that extend all the way through a plasma membrane arecalled _______________ proteins.

6. Proteins of the plasma membrane that have water-filled poresthrough them are called _______________.

7. On some cells, numerous closely spaced microvilli form a fringecalled the _______________.

8. The core of microtubules in a cilium or flagellum is called its_______________.

9. The immune system distinguishes the body's own cells from foreigncells by the composition of a fuzzy carbohydrate cell coat called the _______________.

10. Movement of fluid through a membrane due to hydrostatic pressureis called _______________.

11. _______________ refers to the ability of a solution to affect the osmoticpressure in a cell.

12. In the process called _______________, molecules in the extracellular fluidbind to receptors on the cell surface and are taken into the cell in a membrane-boundedvesicle.

13. The space between the membranes of rough or smooth endoplasmicreticulum is called a _______________.

14. Liver and kidney cells have numerous _______________ which detoxify reactivemolecules that could otherwise cause cell damage.

15. The _______________ is an ATP-consuming antiport system that pumps Na⁺ outof a cell and K⁺ into it.

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