MICROBIOLOGY: FUNDAMENTALS CONNECT AC
3rd Edition
ISBN: 9781264669769
Author: Cowan
Publisher: MCG
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Textbook Question
Chapter 6, Problem 20Q
If an egg salad sandwich sitting in a car on a warm day contains 40,960 bacteria after 4 hours, how many bacteria will it contain after another generation time for the bacteria?
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Chapter 6 Solutions
MICROBIOLOGY: FUNDAMENTALS CONNECT AC
Ch. 6.1 - List the essential nutrients of a bacterial cell.Ch. 6.1 - Prob. 2AYPCh. 6.1 - List and define four different terms that describe...Ch. 6.1 - Prob. 4AYPCh. 6.1 - Compare and contrast the processes of diffusion...Ch. 6.1 - Identify the effects of isotonic, hypotonic, and...Ch. 6.1 - Name two types of passive transport and one type...Ch. 6.1 - Prob. 1NPCh. 6.1 - Prob. 2NPCh. 6.1 - Prob. 3NP
Ch. 6.1 - Prob. 1MMCh. 6.2 - List and define five terms used to express the...Ch. 6.2 - Summarize three ways in which microorganisms...Ch. 6.2 - Identify three important environmental factors...Ch. 6.2 - List and describe the five types of associations...Ch. 6.2 - Discuss characteristics of biofilms that...Ch. 6.2 - Which statements are true with respect to...Ch. 6.3 - Summarize the steps of cell division used by most...Ch. 6.3 - Define doubling time, and describe how it leads to...Ch. 6.3 - Compare and contrast the four phases of growth in...Ch. 6.3 - Identify one culture-based and one...Ch. 6.3 - Prob. 2MMCh. 6 - Which descriptors are likely to have applied to...Ch. 6 - Prob. 2QCh. 6 - Speculate about how earths atmosphere came to...Ch. 6 - Which of the following is true of passive...Ch. 6 - Compare the effects of a hypertonic, hypotonic,...Ch. 6 - Usually scientists looking for life on other...Ch. 6 - An organism that can synthesize all its required...Ch. 6 - Provide evidence in support of or refuting this...Ch. 6 - Develop an explanation for why biofilm bacteria...Ch. 6 - Most bacteria increase their numbers by a. sexual...Ch. 6 - Looking at figure 6.3, explain how a cell in a...Ch. 6 - In binary fission, the parent chromosome is...Ch. 6 - A cell exposed to a hypertonic environment will...Ch. 6 - Prob. 14QCh. 6 - Bacteria and archaea are ubiquitous on the planet....Ch. 6 - Prob. 16QCh. 6 - How can you explain the fact that an unopened...Ch. 6 - Prob. 18QCh. 6 - In a viable count, each ____ represents a ______...Ch. 6 - If an egg salad sandwich sitting in a car on a...Ch. 6 - Scientists now believe that most bacteria in...Ch. 6 - Prob. 1VC
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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
- If a single 1.7 × 10−10 m3 bacterium could reproduce through cell division at a rate of 3(t − 0.5t), where t is measured in minutes, how much volume (in m3) will the resulting bacteria colony occupy after 1 hour? bacteria colony volume = _____ × 104 m3arrow_forwardAssume that after washing your hands, you leave ten bacterial cells on a new bar of soap. You then decide to do a plate count of the soap after it was left in the soap dish for 24 hours. You dilute 1 g of the soap 1:106 and plate it on heterotrophic plate count agar. After 24 hours of incubation, there are 168 colonies. How many bacteria were on the soap? How did they get there?arrow_forwardIf the generation time of Escherichia coli is 30 minutes, starting with 4 E. coli cells, how many cells can you obtain after 2 hours of growth? A: cellsarrow_forward
- If the generation time is 90 min and the initial population contains 103 cells, how many bacteria will there be after 8 hours of exponential growth?arrow_forwardYou are attempting to grow a culture of Escherichia coli to use in an experiment, and you need the culture to reach 106 cells/mL before you can use them. In your lab, E. coli doubles every 25 minutes. How long will it take a culture you inoculate at 102 cells/ml to grow up to your desired density? About 7 hours About five and a half hours About an hour and a half About 3 hoursarrow_forwardA student is performing a bacterial growth curve experiment. At t= 0 hrs, he inoculated 50 mL of the favorable growth medium with 2x 10* bacterial cells. After 6 hrs, the bacterial population was around 450 CFU/50 mL bacteria. Calculate the growth constant "k" for the bacteria.arrow_forward
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- A bacterial culture contains 500 cells/mL in the exponential growth phase at 8 AM. If you consider a generation time 20 minutes, what will be the total number of cells/mL after three hours (i.e. at 11 AM)?arrow_forwardPseudomonas bacteria have porin proteins, are resistant to the chemical triclosan, and survive and can even multiply in quaternary ammonium compounds. True or False?arrow_forwardGrowth of an E. coli bacteria in batch culture is observed. The bacteria are fed with 0.5 g / L glucose. Bacteria's abs value is measured as 0.133 ABS at the 0th minute, 0.152 ABS at the 30th minute, 0.215 ABS at the 60th minute, 0.23 ABS at the 90th minute, 0.256 ABS at the 120th minute, 0.286 ABS at the 150th minute and 0.305 ABS at the 180th minute. Calculate the specific growth rate of the bacteria accordingly.arrow_forward
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