Download Cell Theory

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Unit 3-A Review - Cell Structure, Function, &
Transport
Biology Goals 1-13 and Essential Question #1
Cell Theory
1. What scientists contributed to the cell theory?
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2. Which scientist was the first to see cork cells under the microscope?
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3. Which scientist was the first to see living unicellular life forms under the
microscope?
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4. What are the 3 parts to the cell theory?
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Prokaryotic and Eukaryotic Cells
1. What are the two main categories of cells?
The primitive simple ones are called ____________________________
The large complex ones are called _____________________________
2. What do prokaryotic cells lack? ________________________
3. Give an example of a prokaryotic cell. ___________________
4. How do eukaryotic cells differ from prokaryotic cells?
Only single ___________ organisms, _____________________,
________________________.
5. What are two types of eukaryotic cells?
___________________________ & _________________________
Organelle’s functions
1. What are organelles?
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2. What is the function of the cell wall?
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3. What is the general function of the cell membrane?
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Use the following words to label the cell organelles: know the functions!
__Nucleus
__Rough Endoplasmic Reticulum
__Vacuole
__Ribosome
__Chromosomes (chromatid)
__cytoplasm
__Chloroplast
__Smooth Endoplasmic Reticulum
__Nuclear Envelope
__Nucleolus
__Mitochondria
__Golgi Apparatus
Plant vs. Animal
1. What organelles do plant cells have that animal cells do not?
______________________ __________________ ____________________
2. What organelle do animal cells have that plant cells lack?
____________________________
3. Draw and label a chloroplast.
4. Draw and label mitochondria.
5. List the following in order from most complex to the simplest.
tissue
organ
organ system
organism
cell
6. Define diffusion: ______________________________________________________
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7. What is moving during diffusion? _______________________________
8. Osmosis only refers to the diffusion of ____________________ through a
_____________________________________________ from ____________
concentration to _________________ concentration.
9. List 3 types of Passive Diffusion.
_________________________ _____________________ ______________________
10. What is the difference between Passive Diffusion and Active Diffusion?
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11. What is the name of the type of Active Diffusion we have
studied.______________________________________________________________
12. What type of energy is used in active diffusion?
___ ___ ___
13. Is Facilitated Diffusion active or passive? ________________________
14. How do you know the answer for #13? ____________________________________
15. What special structures in cell membranes make facilitated diffusion possible?
_________________ ________________
16. Draw an example of molecules moving with the concentration gradient.
17. Draw an example of molecules moving against the concentration gradient.
18. What type of diffusion causes molecules to move against the concentration gradient?
__________________ _____________________
19. Recall that in the biochemistry unit we followed what happened to a piece of food as
it traveled through the digestive system using “Digestive Bob”. Explain the role that
diffusion plays in getting the glucose molecules stored in a cracker into a mitochondria in
a heart muscle cell.
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