First Nine Week Review

Matching

1. sexual reproduction A. Prokaryote B. Eukaryote

2. nuclear membrane present

3. cell wall always present

4. always asexual reproduction

5. cell wall not always present

Completion

1. What contributions to microscopy did van Leeuwenhoek make?

1.  List three applications of bacteria that enhances the quality of life?

2.  State the cell theory.

3.  List the two basic cell types and how they can be distinguished from one another.

4.  How did endospores complicate studies on spontaneous generation?

5.  What single experiment do you think clinched the arguments against spontaneous generation? Why?

6.  Why can we NOT describe viruses as prokaryotic or eukaryotic?

7.  Briefly describe Pasteur’s experiment with the swan neck flask?

8.  List Koch’s postulates

Part III. Briefly describe how the following scientists contributed to microbiology.

Leeuwenhoek

Hooke

Tyndall

Needham

Pasteur

Schleiden

Schwann

Miller

Koch

What are the two most important functions of a microscope?

List the four essential life functions that all cells must have.

1.

2.

3.

4.

List the steps of the gram staining procedure.

1.

2.

3.

4.

5.

Explain the difference between a gram positive and gram negative bacteria.

Name, describe, and draw the 3 basic bacteria shapes.

List & describe the 5 types of oxygen requirements.

1.

2.

3.

4.

5.

List the 4 types of culture media.

1.

2.

3.

4.

Microscope matching

Has optical devices to increase contrast between specimen an background A. phase contrast

Uses electrons to produce a 3-D view of an objects surface B. Fluorescence

Visualizes objects that emit a light when light of a different wavelength strikes the object C. scanning tunneling

Produces a map of the bumps and valleys of the atom on the surface of a sample D. darkfield

Uses 2 beams of light to produce a 3-D image. E. transmission election

Objects appear bright against a dark background F. interference

Electrons rather than light passes through the specimen G. scanning electron

List the functions of the following parts of the cell.

Cell Wall

Cell Membrane

Capsule

Slime Layer

Flagella

Pili

Cytoplasma

Plasmids

Ribosomes

Endospores

Bacteria observed multiplying in the dead sea are most likely to be. (1 pt)

List and describe the temperatures ranges of bacteria. (8 pts)

A bacterial culture begins with 4 cells and ended with 128 cells. How many generations did the population go through? (1 pt)

Which pH do most bacteria prefer to live in?

Describe the energy source of the following:

Photoautotrophs

Chemoautotrophs

Chemoheterotrophs

1.  Describe four features that distinguish viruses from cells.

2.  List and describe the stages to the lytic cycle of viruses.

List three useful properties of agar as a hardening agent in media?

Labeling

5. Name the enzyme that allows bacteria to live in an oxygen environment.

6. Label the following test tubes (4 pts)

Label & Describe the above growth chart.

Part A

Part B

Part C .

Part D