Download Chapter 7 Test Review

Name______________________________________
Period____________
Date______________
Chapter 7 Test Review
1. What are the organelles that make proteins? _Ribosomes_________________
2. What kind of cells have plastids? Plant or animal? ____Plant____________
3. What determines cell shape? ____function_____________________________
4. What kind of transport needs energy? ____active________________________
5. Who first used the term “cells?” ______Hooke____________________________
6. What don’t prokaryotic cells have? _________Nucleus_____________________
7. What is the diffusion of water called? _____osmosis_____________________
8. What happens when a cell is placed into a hypertonic solution? ___water_______
________leaves and shrinks___________________________________
9. What are chloroplasts, leucoplasts and chromoplasts examples of ? _Plastid____
10. The control center of the cell is the? _____Nucleus________________________
11. Where do molecules move from during active transport? __Low  High_____
12. The cell membrane is semi-___permeable______________.
13. Plant cells have a larger _____vacuole_________________ than animal cells.
14. What is the phospholipid layer of a cell that controls what enters and leaves the cell? _____cell
membrane_________________
15. The condensed strands of chromatin that contain the genetic material of cells are called
___Chromosome________________________.
16. That organelle that releases energy is called the __Mitochondria____________.
17. What three things can pass through a cell membrane or cell wall easily? _H2O______________,
__________O2_____________, _____________CO2_________________________
18. Who was the first person to identify and see cells? ___Leeuwenhoek_____________________
19. What three things does the cell theory state? _all organisms are made from 1 or more_cells__,
_______cells are basic units of life__________, _all cells come from__cells_________
20. Starting with a cell and ending with an organ system, what are the four levels of organization in
multicellular organisms? ________cells_____________, __tissue___________________,
___________organ____________________, ___organ system__________________________
21. Which cell structure contains the cell’s genetic material and controls the cell’s activities?
__Nucleus____________________
22. What is the main function of the cell wall? __provide structure and protection________
23. What is the main function of a cytoskeleton? __keeps shape____________________________
24. Which organelle converts food into compounds that the cell uses for energy?
____Mitochondria__________________________
25. What are the channels made of that are embedded in the cell membrane? _protein___________
26. During diffusion, which way do the molecules move? ___high to low____________________
______________________________________________________________________________
27. What happens when a cell is placed into an isotonic solution? __stays the same____________
______________________________________________________________________________
28. Give an example of cell specialization. ___Red Blood Cells___________________________
29. What does active transport require? __energy_____________________________
30. A group of tissues that perform similar functions is called an _organ____________________.
31. What does rough endoplasmic reticulum have on it that smooth ER doesn’t?
__Ribosomes_______________________
32. What part of the nucleus allows molecules and RNA to leave the nucleus? _Nuclear Pore___
_________________
33. If a cell had a salt concentration of 10% inside it and it was placed in a salt solution that had a
salt concentration of 5%, what would happen to the cell? __swell___________________ : What
kind of solution is that: hypertonic, isotonic or hypotonic? __hypotonic_____________
34. When cells perform one specific function, that is called cell _specialization_____________.
35. If an animal cell is surrounded by fresh water, what will happen to the cell?
____burst______________________ : What kind of solution is that: hypertonic, isotonic or
36. hypotonic? _hypotonic______________________
37. Of the following which structure(s) are/is found in all living organisms?
____*____ DNA and/or RNA
_________ Mitochondria
_________ Nucleus
_________ Cell wall
38. Compared to a skin cell, a muscle cell is likely to have more __Mitochondria__________
39. A cell with lots of ribosomes is probably specialized for _protein_______ synthesis.
40. Which organelle is found in both prokaryotic and eukaryotic cells? _Ribosome______.
41. Which molecule us most abundant in human body cells? _H2O________
42. Blood is considered a tissue because it is composed of different types of _Cells____ working
together and having specific functions.
43. An important difference between viruses and living cells are that viruses cannot
__reproduce_____ outside of cells.
44. A eukaryotic organism that has a nucleus, cell wall, chloroplasts and mitochondria would
probably be classified as a _plant______________.
45. What would happen to the cell in each picture below?
_____No change______________________ ____Shrink_________________________
1% salt
1% salt
cell
cell
5% salt
1% salt
1% salt
10% salt
cell
cell
5% salt
0% salt
___________Swell_________________________
______Swell_________________________
*Be able to label the cell parts. Go over your organelle chart (description & function). Be able to
differentiate between Prokaryotes & Eukaryotes.