Chapter 5

1.Mitochodria likely originated from?
a. archea
b. invaginations of the cell membrane
*c. purple bacteria
d. cyanobacteria

2. Both flagella and cilia are found primarily in?
a. algae
*b. protozoa
c. fungi
d. both a and c

3. Fungi includes:
a. yeast
b. molds
c. mushrooms
*d. all of the above

4. What is one role of saprobes?
a. photosynthesis
b. produce oxygen
c. cause disease
*d. decomposers

5. ________ is known as the power house.
*a. mitochondria
b. chloroplasts
c. nucleus
d. golgi apparatus

6.Why are sterols important components of eucaryotic cell membranes?

*a. They provide strength and stability
b. They are important in communication with other cells
c. They anchor the cell membrane to the cell wall
d. They allow the cell membrane to secrete various chemicals

7. What is a function of the cytoskeleton?

a. provide cellular support
b. permit eucaryotes to change shape
c. permit cellular movement
d. anchor organelles
*e. all of the above

8. ____________wrote a paper about the Endosymbiotic Theory in 1963?

a. Juliana Marguilis
b. Wendy Prefercorn
*c. Lynn Marguilis
d. Fannie Hess

9. Bacteriologists have placed both ________ and _________ on the family tree of bacteria:
a. nucleus and ribosomes
b. ribosomes and mitochondria
c. chloroplasts and golgi aparatus
*d. mitochondria and chloroplasts

10. The cell wall is usually found in which eucaryotes?
a. fungi
b. algae
c. protozoa
*d. a and b

11. The mitochondria is known as what?
a. "packaging and mail center"
b. "workbench"
*c. "power house"
d. "control center"

12. What is the purpose of microtubules?
a. maintain shape of cell
b. transport system for molecules
c. attach to chromosomes to pull them apart
*d. all of the above

13. What produces most of the earth's oxygen?
a. fungi
*b. algae
c. photosyntheses in plants
d. protozoans

14. By what means are helminthic parasites transmitted to humans?
*a. ingestion
b. injection
c. insect vector
d. conjugation

15. Which of the following pairs is mismatched?
a. metachromatic granules---stored phosphates
b. polysaccharide granules---stored starch
c. lipid inclusions---poly-B-hydroxybutytric acid
d. sulfur granules---energy reserve
*e. ribosomes---protein storage

17. In general, fungi derive nutrients through
a. photosynthesis
b. engulfing bacteria
*c. digesting organic substrates
d. parasitism