Laboratory Assignment 3

Laboratory Assignment 3

Instructions:
• Print this document.
• Read the instructions for each laboratory exercise below.
• Answer the laboratory assignment questions.
• Go to Assignments on the course menu and submit your answers.

Laboratory Exercise 3: Prokaryotic Cells
• Read page 19 in your laboratory manual and review the pictures on page 20 in your laboratory manual.
• Review the following websites:
http://slohs.slcusd.org/pages/teachers/rhamley/Biology/Classifying%20Life/eubacteria.html
http://plantphys.info/organismal/lechtml/bacteria.shtml
• The information in Chapter 28 of the textbook may also be helpful in completing this laboratory activity.
Laboratory Exercise 4: Eukaryotic Cells
• Read page 27 and the top of page 28 in your laboratory manual.
• Review the following websites:
http://www.microscopy-uk.org.uk/mag/indexmag.html?http://
www.microscopy-uk.org.uk/mag/artsep01/dinof.html
http://www.umich.edu/~phytolab/GreatLakesDiatomHomePage/groups/majorgroups.html
http://microscopy-uk.org.uk/mag/indexmag.html?http://microscopy-
uk.org.uk/mag/artsep01/amoeba.html
http://www1.fccj.org/dbyres/protista.htm
• The information in Chapter 29 of the textbook may also be helpful in completing this laboratory activity.
Questions
1. Which of the following are prokaryotes?
A. Streptococcus
B. Ocillatoria
C. Aspergillus
D. both A. and B.
E. all of the above
2. Which of the following are cyanobacteria?
A. Ocillatoria
B. Gleocapsa
C. Staphylococcus
D. both A. and B.
E. all of the above
3. What kind of bacteria is depicted in question 1 of the Mini-Lab Test on page 23 of your
laboratory manual?
A. bacillus
B. coccus
C. spirillus
4. What kind of bacteria is depicted in question 2 of the Mini-Lab Test on page 23 of your
laboratory manual?
A. bacillus
B. coccus
C. spirillus
5. Is Gloeocapsa colonial, filamentous, or solitary?
A. colonial
B. filamentous
C. solitary
6. Which of the following are members of the kingdom Protista?
A. Paramecium
B. Amoeba
C. Ceratium
D. both A. and B.
E. all of the above
7. Is the type of cell illustrated in the first picture on the Mini-Lab Test on page 33 of your
laboratory manual a prokaryotic cell or a eukaryotic cell?
A. prokaryotic
B. eukaryotic
8. What type of cell is illustrated in the first picture on the Mini-Lab Test on page 34 of your
laboratory manual?
A. protist
B. fungi
C. plant
D. animal

9. What type of organism is illustrated in the second picture on the Mini-Lab Test on page 34 of
your laboratory manual?
A. amoeba
B. diatom
C. dinoflagellate
D. euglenoid
10. What is the group name of the organisms illustrated in the second picture (number 6) on the
Mini-Lab Test on page 35 of your laboratory manual?
A. amoeba
B. diatom
C. dinoflagellate
D. euglenoid
LECTURE 3
Questions:
1. Who was the first person to reported see living, moving cells using a microscope?
2. List three functions of plasma membrane proteins.
3. The genetic material of which kind of cells is included in a single, circular molecule of DNA devoid of any histone proteins?
4. Some of the functions of the eukaryotic organelles are performed in bacteria by the__________ __________.
5. The cytoplasmic space in eukaryotic cells is occupied by many diverse membrane-bound structures with specific cellular functions. These are called__________.

6. Which cellular structure is the repository of the genetic information that directs all of the activities of the cell?
7. List 4 organelles of the endomembrane system.
8. Which cellular structure is sometimes referred to as rough or smooth, depending on the structure?
9. Flattened sacks of membranes apparently involved in the packaging and export of molecules synthesized in the cell are known as__________.
10. Which organelle helps detoxify drugs in the liver and is important in the synthesis of lipids.
11. Peroxisomes in animal cells, and glyoxosomes in plant cells are examples of a diverse category of organelles called__________.
12. Plant cells often have a large membrane-bound sac that is used for storing water and other substances. This organelle is called a__________.
13. The organelle involved in the oxygen-requiring process by which the energy in macromolecules is stored in ATP is the __________.
14. The endosymbiotic theory is supported by the finding of non-nuclear DNA in what two organelles?
15. Cell crawling is essential for all of the following except
A. cancer spreading.
B. inflammation.
C. wound healing.
D. clotting of blood.
E. cytoskeleton reorganization.
16. Plants, fungi, and bacteria share which of the following characteristics?
A. cell walls
B. nuclear membranes
C. lysosomes
D. vesicles
17. Chromosomes can be condensed into compact structures, visible with the light microscope, but usually only
A. after the cell is dead.
B. during cell division.
C. while the DNA is being copied into RNA.
D. while the proteins are being assembled.
E. while the nuclear pores are open.
18. If a cell did not have ribosomes, it would be unable to
A. extract energy from glucose.
B. synthesize glucose.
C. store food in the form of fat.
D. form proteins.