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Microbiology V2
Study Notes V2
| Question | Answer |
|---|---|
| T/F: The starter cultures for mozzarella cheese are lactobacillus bulgaricus and lueconostoc citrovorum | False |
| T/F: Raw milk is sterile before it is drawn from the cow | True |
| T/F: In pandemics, people are exposed at one time | True |
| T/F: The biochemical means of measuring sewage treatment is pH | F (its BOD/COD, not pH) |
| T/F: The neurotoxin Clostridium botulinum blocks the release of acetylcholine | True |
| T/F: Steric aerobic bacteria, bacteriodes, deal with periodontal disease | True |
| These bacteria convert sulfide into elemental sulfur | Beggiatoa, Thiothrix |
| Soil fungus that are closely associated with the roots of vascular plants that penetrate the plant cortical cells | endomycorrihizae |
| The relationship between the ruminants and the bacteria in their rumen is a | mutualistic relationship |
| Nongonococcal urethritis (NGU) is caused by | Chlamydia trachomatis |
| Psuedomembranous colitis is made by | Clostridium difficile |
| Limulus amoebocyte lysate assay detects | endotoxin |
| What does the sebaceous gland form/secrete on the skin | sebum |
| What granulocyte releases histamine | basophils |
| What develops in the bone marrow? A) T cells B) B cells C) macrophages D) B and C E) none of the above | B) B Cells |
| Which immunoglobulin crosses the placenta | IgG |
| Which immunoglobulin is involved with Type I hypersensitivity reactions and attach to mast cells | IgE |
| What is the acid forming bacteria that results in the destruction of tooth enamel and also causes plaque | Streptococcus mutans |
| What causes peptic ulcers | Helicobacter pylori |
| Fix CO2 via the Calvin cycle and by a reversal of the TCA cycle | Photoautotrophic bacteria |
| What is also known as “bacillary dysentery” | Shigella sonnei |
| What causes toxic shock syndrome | Staphylococcus aureus |
| The method used to preserve milk that kills all non spore forming bacteria | pasteurization |
| What enzyme is tested for to ensure that raw milk has been properly pasteurized | phosphatase |
| What is cut meat inoculated with? A) Streptococcus thermophilus B) Pediococcus acidilactici C) Something D) B and C E) none of the above | B |
| Heating of commercial canned goods at high temperature is to destroy what | Clostridium botulinum |
| In “sour mash” whiskies, there are two types of fermentation, one done by bacteria and one done by a yeast; what is the bacteria used | Lactobacillus delbrueckii |
| Cellulases are used to help produce | stone washed denim |
| What makes citric acid in the food industry | Aspergillus niger |
| Dextrans, homopolysaccharides, are made from what | Leuconostoc dextranicum |
Created by:
tampa
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