KEY Unit 4 Test Review Guide: Cells
Start with the quizzes. Many of the questions will be of a similar nature. Anything in the notes is “fair
game” for the test as well. Last, you should make sure to look over your cell portfolio.
1. What are the three main points to the cell theory?
1)
All living things are composed of cells
2)
Basic unit for structure and function of living things
3)
New cells are produced by other cells
2. How are animal cells and a plant cells different?
Plant cells have a cell wall, large water vacuole, chloroplast with chlorophyll
Animals have centrioles
3. What are the functions of the following organelles?
Nucleus - Control center of the cell
Nucleolus – Manufactures ribosomes
Nuclear Pore – allows material to leave the nucleus
Cytoplasm – holds all material inside cell membrane and outside of nucleus
Cell Membrane – Regulates what enters & leaves the cell
Ribosomes – Produces the proteins
Golgi Apparatus – Packages & secretes cell products
Endoplasmic Reticulum – used for cellular transport
Lysosomes – Used for cellular digestion
Cell Wall – Provides structure for a cell
Chloroplasts – Site of photosynthesis
Vacuoles – used for storage
4. How is a prokaryotic cell different from a eukaryotic cell?
Prokaryotes – no nucleus
Eukaryotes – have a nucleus
5. The primary energy molecule for most living things is _ATP_.
6. Write the equation for photosynthesis:
LIGHT
6 CO2
+ 6 H2O
chlorophyll
6 O2
+ C6H12O6 (GLUCOSE)
7. What is the purpose of cellular respiration?
The process of making cellular energy
8. Write the equation for cellular respiration:
6 O2
+ C6H12O6
6 H2O
+ 6CO2
+ ATP (ENERGY)
9. Photosynthesis occurs in the __Photosynthesis_ of plant cells.
10. Cellular respiration occurs in the ___Mitochondria__ of plant and animal cells.
Match the scientist with his contribution
11. Schwann - C
12. Schleiden - D
13. Hooke
-B
14. VanLeeuwenhoek - E
15. Brown
-F
16. Virchow - A
a.
b.
c.
d.
e.
f.
Cells come from pre-existing cells
Coined the term “cells”
Basic unit of life in animals
Basic unit of life in plants
Perfected microscope design
Nucleus
17. The movement of a gas or liquid from areas of high concentration to low concentration is
called __Diffusion_.
18. _Osmosis_ is the diffusion of water across a semipermeable membrane.
19. Carrier proteins are involved in a passive process called _Facilitated_ _Diffusion_.
20. The movement of large molecules across a membrane is known as _Bulk _Transport_.
21. Active __Transport__ requires the use of energy to cross a membrane.
22. What is the Fluid Mosaic Model?
A model that shows the fluid (moving) structure of the cell membrane