Microbiology with Diseases by Taxonomy (5th Edition)
5th Edition
ISBN: 9780134019192
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 3, Problem 12CT
Solutions hypertonic to bacteria and
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What cell types would be able to grow on the ECM in the following situations? F- , Hfr , Mix
a) Streptomycin was not added to the ECM.
b) The ECM contains thiamine.
c) The ECM contains all 20 amino acids and all 5 nitrogenous nucleic acid bases
What cell types would be able to grow on the ECM in the following situations?a) Streptomycin was not added to the ECM.b) The ECM contains thiamine.c) The ECM contains all 20 amino acids and all 5 nitrogenous nucleic acid bases.
Reminder: ECM = minimal medium + glucose + has streptomycin antibiotic
Bacterial growth depends on many environmental factors, including the temperature of the environment. Since microbes can survive in a certain range of temperatures and will thrive at a temperature, understanding these variables allows for control of their growth. This understanding can be used, for example, to preserve certain foods or to treat infections. This lab simulation will use an instrument called a spectrophotometer. This instrument quantitatively measures the amount of light that is absorbed or transmitted by molecules in solution
a) In your own words give an introduction to the microbial growth and the effect tempature has.
b) In your own words explain the importance of the spectrophotometer in regards to microbial growth.
c) In your own words give a hypothesis on how bacteria will react to different temperatures.
Chapter 3 Solutions
Microbiology with Diseases by Taxonomy (5th Edition)
Ch. 3 - A cell may allow a large or charged chemical to...Ch. 3 - Which of the following statements concerning...Ch. 3 - Prob. 3MCCh. 3 - Which of the following is most associated with...Ch. 3 - Which of the following is not associated with...Ch. 3 - Prob. 6MCCh. 3 - Which of the following statements is true? a. The...Ch. 3 - Prob. 8MCCh. 3 - Prob. 9MCCh. 3 - Prob. 10MC
Ch. 3 - Prob. 11MCCh. 3 - Gram-positive bacteria _______________. a. have a...Ch. 3 - Endospores ________________. a. are reproductive...Ch. 3 - Prob. 14MCCh. 3 - Prob. 15MCCh. 3 - Match the structures on the left with the...Ch. 3 - Match the term on the left with its description on...Ch. 3 - Label the structures of the following prokaryotic...Ch. 3 - Prob. 2VICh. 3 - Prob. 3VICh. 3 - Describe (or draw) an example of diffusion down a...Ch. 3 - Sketch, name, and describe three flagellar...Ch. 3 - Prob. 3SACh. 3 - Prob. 4SACh. 3 - A local newspaper writer has contacted you, an...Ch. 3 - Prob. 6SACh. 3 - Prob. 7SACh. 3 - Prob. 8SACh. 3 - Prob. 9SACh. 3 - Prob. 10SACh. 3 - Prob. 11SACh. 3 - Prob. 12SACh. 3 - Prob. 13SACh. 3 - Prob. 14SACh. 3 - Compare and contrast three types of passive...Ch. 3 - Contrast the following active processes for...Ch. 3 - Contrast symports and antiports.Ch. 3 - Describe the endosymbiotic theory. What evidence...Ch. 3 - A scientist develops a chemical that prevents...Ch. 3 - Methylene blue binds to DNA. What structures in a...Ch. 3 - Prob. 3CTCh. 3 - Prob. 4CTCh. 3 - Prob. 5CTCh. 3 - Prob. 6CTCh. 3 - An electron micrograph of a newly discovered cell...Ch. 3 - An entry in a recent scientific journal reports...Ch. 3 - Prob. 9CTCh. 3 - A researcher treats a cell to block the function...Ch. 3 - After a man infected with the bacterium...Ch. 3 - Solutions hypertonic to bacteria and fungi are...Ch. 3 - Prob. 13CTCh. 3 - Prob. 14CTCh. 3 - Using the following terms, fill in the following...Ch. 3 - Prob. 1TMWCh. 3 - In 1985, an Israeli scientist discovered the...Ch. 3 - Prob. 3TMWCh. 3 - Prob. 4TMWCh. 3 - When the bacterium Escherichia coli is grown in a...Ch. 3 - Prob. 6TMWCh. 3 - Prob. 7TMWCh. 3 - Prob. 8TMWCh. 3 - Prob. 9TMWCh. 3 - Prob. 10TMWCh. 3 - Prob. 11TMWCh. 3 - Colchicine is a drug that inhibits microtubule...Ch. 3 - Clinical Case Study The Big Game College sophomore...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A potato cube is placed in a solution. The volume of the potato increases. which statement below is the correct interpretation of this result? a) The potato is in an isotonic solution b) The potato is is in a hypotonic solution c) water is moving equally in and out of the potato d) The potato is in a hypertonic solutionarrow_forwardWhich 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.arrow_forwardIn microbiology, the term growth in a culture usually refers to an increase in O 1) the number and size of microbial cells. O 2) the amount of ATP consumed. O 3) a microbe's size. O 4) the number of microbial cells. 5) the amount of ATP produced.arrow_forward
- Biofilms represent an important environmental niche. A) How does growth on a surface differ from growth in a suspended laboratory culture? (In other words: How do biofilm-forming cultures differ from planktonic cultures) B) Describe the stages of biofilm development including cellular and extracellular components? C) What processes regulate might regulate biofilm formation? Is quorum sensing involved and if so, how common is it? D) Why would biofilms promote the formation of genetic variants? What are the mechanisms by which this might occur? These questions are all related.arrow_forwardIn the diagram below, identify the structures of a cyanobacterial cell based on the following descriptions: a) Outer cellular covering which includes: Mucilaginous layer – outermost layer covering the cell wall; protects the cell from harmful factors of the environment Cell wall – found just below the mucilaginous layer; 2 or 3-layered, the inner layer lies in between the outer wall layer and plasma membrane; the outer layer is made of peptidoglycan Innermost plasma membrane – selectively permeable membrane enclosing the cytoplasm b) Cytoplasm – found below the plasma membrane; the protoplasm which contains structures of different shapes and functions. Lamellae, which contain pigments such as chlorophylls, carotenes, xanthophylls, phycoerythrin and phycocyanin, are located in the peripheral region of cytoplasm. Ribosomes may also be found scattered in the cytoplasm. c) Nucleic material – the nucleoplasm that is centrally located in the cell and contains chromatin in the form…arrow_forwardIn the exponential phase of microbial growth, Log cell numbers Time O a) net cell growth is equal to net cell death. Ob) net cell growth is greater than net cell death. c) waste accumulates, cell death is greater than cell growth. d) the cells stop growing.arrow_forward
- Diseases that involve biofilm-producing bacteria are of serious concern. They are not as easily treated compared with those involving free-floating (or planktonic) bacteria. Explain three reasons why biofilms can be more pathogenic.arrow_forwardWhy is boiling at standard temperature and pressure an inadequate method of processing for canned foods? It is a Multiple choice question. An image is attachedarrow_forwardYou perform a Gram staining technique on two bacterial species and observe that one is stained purple while the other is stained pink. Which of the following is consistent with this observation? a) The purple one is likely more resistant to penicillin b) Both bacteria have a cell wall made of mycolic acid c) Their peptidoglycan layers have the same thickness d) They differ in the number of phospholipid membranes e) One has a monolayer of phospholipids while the other has a bilayer of phospholipidsarrow_forward
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