Laboratory Experiments in Microbiology (11th Edition)
11th Edition
ISBN: 9780321994936
Author: Ted R. Johnson, Christine L. Case
Publisher: PEARSON
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Chapter 33, Problem 3Q
Why are yeast colonies larger than bacterial colonies?
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Which of the following is NOT true about endospores?
O 1) Spores are resistant to heat, radiation, cold, and dessication.
O 2) One endospore germinates into one vegetative cell.
O
3) They are a method of reproduction for bacterial cells when growth conditions
are inhospitable.
O 4) Endospores are clinically significant in causing disease.
O 5) The endospore has a thick spore coat that protects it.
Chapter 33 Solutions
Laboratory Experiments in Microbiology (11th Edition)
Ch. 33 - What was the purpose of the balloon on the...Ch. 33 - Prob. 2QCh. 33 - Why are yeast colonies larger than bacterial...Ch. 33 - Prob. 4QCh. 33 - Why are antibiotics frequently added to Sabouraud...Ch. 33 - Prob. 2CTCh. 33 - Why werent pathogenic fungi used in this exercise?Ch. 33 - A 45-year-old HIV-positive woman using continuous...Ch. 33 - Prob. 2CA
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- Why do low concentrations of alcohol inhibit Gram-negative bacteria more than Gram-positive bacteria? Explain how the alcohol interacts with: 1) Gram-negative cell wall structures 2) Gram-positive cell wall structuresarrow_forwardHow many colonies are shown in the blue square?arrow_forwardWhat kinds of work are carried out in a cell? Suppose a bacterium was doing the following: synthesizing peptidoglycan, rotating its flagellum and swimming, and secreting siderophores. What type of work is the bacterium doing in each case?arrow_forward
- Why would it be beneficial for bacteria to form endospores?arrow_forwardBacteria are microscopic single-celled organisms that are far too small to detect with the naked eye. Describe how you could grow enough bacteria in a colony to be viewed without a microscope. What is the relationship between the cells that form a colony?arrow_forwardHow is it possible for a bacterium to grow in a hypertonic environment?arrow_forward
- 210 220 230 240 250 260 270 280 290 300 310 320 41 42 43 44 45 460 470 48 49 50 51 As discussed in lab and lecture, Endospores serve an im cells. A) What is the purpose of an endospore? B) Explain the endospores relationship to reproduction. C) What procedure would you use to test for them in lab? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph A & B ¶ BAX 安田图 † {} I ¶ T< 20°F V Arial XQ5d - ABC V 10 == ΠΩ Click Save and Submit to save and submit. Click Save All Answers to saarrow_forwardWhat would allow for an anaerobic spore former to grow instead of aerobic spores?arrow_forwardWhy do many bacteria grow over a wide range of temperature?arrow_forward
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