Download Cells AP Bio Test Review ANSWERS

Cells AP Bio Test Review ANSWERS
1. List the first 6 levels of biological organization from
smallest to largest
1. Atom, molecule, organelle, cell, tissue, organ
2. A community of microorganisms living within a
shared mass of slime.
2. Biofilm
3. List 2 functions of the nuclear envelope.
3. Separates DNA from activity in cytoplasm &
regulates which substances enter & leave the
nucleus
4. Prokaryotes lack a _________________.
4. Nucleus
5. What type of cell contains a nucleus?
5. Eukaryotes
6. What limits cell size?
6. Surface area : volume
7. What organisms are prokaryotic?
7. Bacteria
8. What are the functions of a cell nucleus?
8. Controls cell processes, stores DNA, contains info
needed to make proteins
9. Define prominent.
9. Important, easily noticed or seen; sticking out in a
way that is easily seen or noticed
10. A nucleus is important to cells. The nucleus
contains coded instructions for making what?
10. coded instructions for making proteins
11. How does cell size relate to its surface area-tovolume ratio? (smaller cells vs larger cells)
11. The smaller the cell, the higher the SA:V
12. Where is the cytoskeleton found?
12. Between the plasma membrane & nucleus, in the
cytoplasm
13. What is the main function of the cell membrane?
13. Regulate the transport of materials in & out of cell
14. Which structure synthesizes polypeptides using coded
14. Ribosomes
instructions that come from the nucleus?
15. Which cell structures do not have a membrane?
15. Ribosomes, centrioles, cytoskeletal elements
16. Which 2 organelles help provide cells with energy?
16. Mitochondria & chloroplast
17. Which structures would you expect to find in plant
17. Chloroplasts, cell wall, central vacuole
cells but not animal cells?
18. Which organelle would you expect to find in animal
18. Centrioles
cells but not plant cells?
19. What is a cell junction?
19. Structure that connects cells together
20. List 3 examples of cell junctions.
20. Plasmodesmata, gap junctions, tight junctions,
adhering junctions, desmosomes
21. List adaptations that allow cells to maintain a high
surface area to volume ratio.
21. Small cells, membrane extensions (cilia, villi),
folded membranes, flat shape
22. Microtubules help build projections from the cell
22. Flagella & cilia
surface that aid in cell movement. These structures
are known as ______________ & _____________.
23. A cell’s shape and _________ relate to its function.
23. Size
24. If a cell contains a nucleus, it must be a
24. Eukaryote
25. Ribosomes stud the surface of
25. Rough
____________ endoplasmic reticulum.
26. Single-celled organism is called
26. Unicellular
27. Multi-celled organism is called
27. Multicellular
28. What is the function of Golgi Bodies?
28. Processes, sorts, & packages cellular secretions
(lipids, enzymes, proteins) for export from the
cell.
29. What characteristics do all living organisms share?
29. .Made of cells, have DNA as genetic material that
is passed to offspring, they change over
generations (populations adapting/evolving),
they change (grow, mature, age), engage in
processes like homeostasis & metabolism
30. What 4 structures do all cells have in common?
30. Cytoplasm, DNA, cell membrane, ribosomes
31. Summarize the endosymbiotic theory.
32. Explain which intracellular structures make up the endomembrane system and their functions.
33. Compare & contrast prokaryotes & eukaryotes. Know examples of each.
34. Illustrate a plant & animal cell, and know how to identify the different structures.