Download Bacteria Webquest

Microbiology -Bacteria Web Quest!
Name: _______________________________
Bacteria Cells: http://www.eurekascience.com/ICanDoThat/bacteria_cells.htm
1. How is bacteria a part of recycling and biodegrading?
_________________________________________________________________________
2. What are the five basic parts of bacteria? ________________________________________
3. Draw the basic appearance of all bacteria:
Bacteria and Viruses: http://www.beyondbooks.com/lif72/2a.asp
1. How many cells do bacteria have? ____________________
2. Describe and draw an example of the three shapes of bacteria:
a. Cocci: ____________________
b. Bacilli: ____________________
c. Spirilla: ____________________
3. What are two ways bacteria can get food? ________________________________________
4. What is the process called when bacteria divide into two cells? ____________________
Bacteria Divide and Multiply: http://www.cellsalive.com/ecoli.htm
1. How long would it take for 2 bacteria cells to divide and turn into 4 bacteria cells? __________
2. How come our planet is not covered with bacteria? ___________________________________
2 Kingdoms of Bacteria: http://www.lanesville.k12.in.us/lcsyellowpages/Tickit/Carl/bacteria.html
1. Compare Archaebacteria and Eubacteria.
Archaebacteria
Eubacteria
2. What kind of substances do bacteria consume to get energy? __________________________
____________________________________________________________________________
3. What is the process of making energy from food using oxygen? ____________________
Bacterial Reproduction:
http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookmito.html#Prokaryotic%20Cell%20Division
http://www.britannica.com/EBchecked/topic/65525/binary-fission (watch the animation - you’ll need sound!)
1. How do bacteria reproduce, describe the process.
2. How can one slow the reproductive process of bacteria?
Bacterial Structure: http://www.cellsalive.com/cells/bactcell.htm
Label the parts of the bacterium: flagella, pilli, nucleoid (DNA), ribosomes, cell membrane, cell wall, capsule
Please visit the following website:
http://www.csun.edu/~csunmore/Prokaryotes.html
Using the Venn Diagram below, list at least 2 features
unique to Prokaryotes, 2 features unique to Eukaryotes and 2
features that they both share.
Bacterial Sexual Reproduction:
http://www.hhmi.org/biointeractive/animations/conjugatio
n/conj_frames.htm
http://highered.mcgraw-hill.com/sites/0072556781/student_view0/chapter13/animation_quiz_1.html
http://highered.mcgraw-hill.com/sites/0072556781/student_view0/chapter13/animation_quiz_2.html
1. Genetic recombination occurs in bacteria. What is conjugation or “bacterial sex?”
2.
Draw the process of conjugation labeling the terms pili, sex plasmid, conjugation bridge, “male” and
“female.”
3. What is bacterial transformation? How has it been used in recent years?
4. What is the importance of bacterial exchange or sex in nature?
Environmental Issues: http://www.ucmp.berkeley.edu/bacteria/bacterialh.html
1. What are pathogenic bacteria?
2. What do aerobic bacteria require?
3. Where do anaerobic bacteria live and what can they cause?
4. What is decomposition and how do bacteria play a role in the environment?
5. What is nitrogen fixation and why are bacteria crucial to this cycle of life?
Antibiotics:
http://www.cellsalive.com/pen.htm
http://whyfiles.org/038badbugs/mechanism.html
http://www.microbiologybytes.com/video/endospores.html
1. What is penicillin? How does it work?
2. What is a plasmid? How does this allow for antibiotic resistance?
3. How can some strains of bacteria, like anthrax, survive harsh, unfavorable conditions?
Gram Staining: http://www.uphs.upenn.edu/bugdrug/antibiotic_manual/Gram1.htm
1. What is a gram stain?
2. What’s the difference between a gram positive and a gram negative bacterial cell?
Bacterial Prefixes: http://www.beyondbooks.com/lif72/2a.asp
1. What do the prefixes diplo-, strepto- and staphylo- relate to when dealing with bacteria?
Adapted from Brodnax