Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 7, Problem 10MCQ
In a viable plate count, each _____ represents a _____ from the sample population.
- a. cell, colony
- b. colony, cell
- c. hour, generation
- d. cell, generation
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Select the correct answer from the answers provided. In a viable plate count, each ch represents a a from the sample population. a. cell, colony c. hour, generation b. colony, cell d. cell, generation
You inoculated a culture with an initial cell count of 6.5x10^3 cells. The generation time for this organism is 25 minutes. You grew the culture for 10 hours.
a) How many generations occurred?b) How many cells will be present after the 10 hours?
Hi, I have the answer for A, but I am not sure for B and C. For:
A, I believe B.
B, I think its low colony forming unit count
C, I am not sure about it.
Chapter 7 Solutions
Microbiology: A Systems Approach
Ch. 7.1 - List the essential nutrients of a bacterial cell.Ch. 7.1 - Prob. 2AYPCh. 7.1 - List and define four different terms that describe...Ch. 7.1 - Define saprobe and parasite, and provide microbial...Ch. 7.1 - Prob. 5AYPCh. 7.1 - Identify the effects of isotonic, hypotonic, and...Ch. 7.1 - Name two types of passive transport and three...Ch. 7.2 - List and define five terms used to express a...Ch. 7.2 - Prob. 9AYPCh. 7.2 - Prob. 10AYP
Ch. 7.2 - Prob. 11AYPCh. 7.2 - Discuss characteristics of biofilms that...Ch. 7.3 - Summarize the steps of cell division used by most...Ch. 7.3 - Define doubling time and describe how it leads to...Ch. 7.3 - Compare and contrast the four phases of growth in...Ch. 7.3 - Prob. 16AYPCh. 7 - The source of the necessary elements of life is a....Ch. 7 - An organism that can synthesize all its required...Ch. 7 - Chemoautotrophs can survive on ______ alone. a....Ch. 7 - Prob. 4MCQCh. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - A cell exposed to a hypertonic environment will...Ch. 7 - Prob. 8MCQCh. 7 - Prob. 9MCQCh. 7 - In a viable plate count, each _____ represents a...Ch. 7 - Prob. 11TFCh. 7 - Prob. 12TFCh. 7 - Prob. 13TFCh. 7 - Prob. 14TFCh. 7 - A facultative anaerobe can grow with or without...Ch. 7 - Prob. 1CTQCh. 7 - Describe the process used by a saprobic microbe to...Ch. 7 - Prob. 3CTQCh. 7 - Explain what is happening to the bacterial...Ch. 7 - Prob. 5CTQCh. 7 - Prob. 1VCCh. 7 - Using the words that follow, please create a...
Knowledge Booster
Learn more about
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
- What can be found on a sterile surface? A. Protozoan B. Viruses C. Nothing D. Bacteriaarrow_forwardThe graph shows the number of microbial cells (log scale) against time in a liquid culture. In which stage(s) are the cells growing and dividing? A, B, and C B and C A Barrow_forwardA culture starts with 8600 bacteria. After 1 hour the count is 10, 000. A. Find a function the models the number of bacteria after t hours B. Find the number of bacteria after 2 hours. C. After how many hours will the bacteria count double?arrow_forward
- A culture with approximately 4x105 cells/mL were incubated. After 10 hours, the number of cells had increased to 5x109. a) How long was the generation time in minutes?b) How many generations have occurred?arrow_forwardThe bacterium Dontuplodemeus tocheggus has a generation time of 20 minutes. Starting with one cell in 500 mL of culture medium, how many minutes would it take to reach a cell density of approximately one million cells per mL? Assume all cells remain viable. a. 330 b. 660 c. 380 d. 400 e. 580arrow_forwardWhich of the following is the best definition of generationtime?(a) The length of time it takes for lag phase to occur(b) The length of time it takes a population of cells to double(c) The minimum length of time it takes a cell to divide(d) The length of time a culture stays in stationary phase(e) The length of time it takes log phase to occurarrow_forward
- Which of the following statements BEST represents the great plate count anomaly? a The aggregation of the microbial cells causes a problem in the accurate population estimate using plate count. b The colonies growing on a petri plate is not always the organism under the microscope. c The population count using viable cell count is only 1% of the real population. d The number of microbes seen under the microscope is greater that the colonies growing on a petri plate.arrow_forwardIn the Figure below, which of the following descriptions applies to the two cell culture images below? A does not need to be passaged. A and B need to be passaged. A needs to be passaged. B needs to be passaged.arrow_forwardWhy is the top part of a broth or slant culture heated in a flame immediately after removing the cap? a. to kill all the bacteria on the glass b. to sterilize the glass in case you touch it with your loop c. to stimulate the growth of bacteria in the tube d. to create warm air currents that keep other bacteria out e. to expand the glass of the test tube top so that the cap will fit more securelyarrow_forward
- The term culture refers to the _____________ growth of microorganisms in_________ . a. rapid, an incubator b. macroscopic, media c. microscopic, the body d. artificial, coloniesarrow_forwardA pure culture is........... A. A culture of three to four different organisms B. A culture of one organism and another C. A culture if different organisms D. A culture of one organismarrow_forwardA type of cell culture that can reproduce for an extendednumber of generations and is used to support viral replicationis a:(a) Primary cell culture (d) Diploid fibroblast cell(b) Continuous cell line (e) Connective tissue(c) Cell strainarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Basic Clinical Lab Competencies for Respiratory C...NursingISBN:9781285244662Author:WhitePublisher:Cengage
Basic Clinical Lab Competencies for Respiratory C...
Nursing
ISBN:9781285244662
Author:White
Publisher:Cengage
The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY