A
Ashley
Guest
I answered most of them, but these are the ones I'm stuck on...
4. How do phospholipid molecules make a barrier around cells?
8. How do cholesterol and unsaturation of lipid chains contribute to the permeability and fluidity of cell membranes?
9. Briefly describe the five intergal proteins of cell membranes and the function of each protein.
17. Where is the site of all metabolic functions in bacterial cells?
19. Which cell organelles does your microbial pet have?
22. In order to destroy prokaryotes and eukaryotes, which cellular strucures are targeted (hint: there are 4) and why?
26. You are trying to find your microbial pet under the microscope, using the 40x objective. Should your light intensity be low or high? Should the diaphragm be more open or more closed? Should you use the coarse focus of the fine focus?
32. The following equations represent which type of chemical reaction?
H2O --> H+ + OH-
HCl --> H+ + Cl-
H2CO3 --> H+ + HCO3-
35. Describe the cell shape and arrangement typical of Bacillus, Staphylococcus, Streptococcus, Serratia, and Sarcina bacteria.
36. How do bacteria reproduce?
38. Describe the expected broth growth patterns for aerobic, facultative anaerobic, and obligate anaerobic bacteria.
40. Calculate the number of Bacillus cinereus cells in unrefrigerated potato salad after 3 hours on the picnic table at your family reunion if the inoculum was 10 cells and reproduction occurs every three minutes.
n
Nf = Ni (2)
thanks so much for any help
4. How do phospholipid molecules make a barrier around cells?
8. How do cholesterol and unsaturation of lipid chains contribute to the permeability and fluidity of cell membranes?
9. Briefly describe the five intergal proteins of cell membranes and the function of each protein.
17. Where is the site of all metabolic functions in bacterial cells?
19. Which cell organelles does your microbial pet have?
22. In order to destroy prokaryotes and eukaryotes, which cellular strucures are targeted (hint: there are 4) and why?
26. You are trying to find your microbial pet under the microscope, using the 40x objective. Should your light intensity be low or high? Should the diaphragm be more open or more closed? Should you use the coarse focus of the fine focus?
32. The following equations represent which type of chemical reaction?
H2O --> H+ + OH-
HCl --> H+ + Cl-
H2CO3 --> H+ + HCO3-
35. Describe the cell shape and arrangement typical of Bacillus, Staphylococcus, Streptococcus, Serratia, and Sarcina bacteria.
36. How do bacteria reproduce?
38. Describe the expected broth growth patterns for aerobic, facultative anaerobic, and obligate anaerobic bacteria.
40. Calculate the number of Bacillus cinereus cells in unrefrigerated potato salad after 3 hours on the picnic table at your family reunion if the inoculum was 10 cells and reproduction occurs every three minutes.
n
Nf = Ni (2)
thanks so much for any help