Microbiology Study
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41.-50. Lab Questions. Matching. Match the correct letter and number. You may not need to use all the letters, and a letter may be used more than once; but pick only the one letter that best matches with the number.
high power objective
oil immersion objective
iris diaphragm
mechanical stage
parfocal
rod (bacillus) morphology
coccus morphology
basic stain
spiral morphology
safranin
resolution
heat fixation
Enterobacter aerogenes
N. sun screen
41.________controls the amount of light passing through the condenser.
42.________causes bacteria to adhere to the slide for staining
43.________Bacillus thuringiensis
44.________100 X
45.________ counterstain in the Gram stain
46.________inversely related to numerical aperture
47.________Lactococcus lactis
48.________focused with low power, then should be approximately in focus with oil immersion lens in place.
49. _______crystal violet
50._______Pseudomonas fluorescens
BIOL 205 Exam#1 Spring 2006
1.-11. Write positive if found only in a gram positive bacterial cell; write negative if found only in a gram negative bacterial cell; write positive/negative if found in both.
1.DNA_____________
2. RNA_____________
12.-23. Place a P after a molecule or structure found in a prokaryote cell (domain: Bacteria) and an E after a molecule or structure found in a eukaryote cell (either P or E is the answer, NOT both).
12. 18S rRNA_____________
13. 80S ribosomes_____________
17. endotoxin______________
23.-32. True or False. Write out True or False.
23. Direct microscopic counts of a bacterial population would likely give a lower count
25. Eukaryote cytoplasmic ribosomes are often affected by antibiotics that inhibit bacterial protein synthesis.___________________
26. A bacterial generation time is usually calculated during the death phase of growth._____________________
33.-40. Word List. A word may be used once, more than once, or not at all.
ATPase
Ca dipicolinate
Cell membrane
Chemotaxis
Cytoskeleton
Lysozyme
Magnetosome
Nucleoid
Penicillin
Peritrichous
Plasmid
Polar
Poly-B-OH-butyric acid
Precursor