Match the description to the correct phase in a standard bacterial growth curve. best time to perform Gram stains [Choose ] [Choose ] phase in which one would see the highest concentration of endopores lag phase stationary phase phase in which bacteria are most sensitive to log/exponential stage antibiotics death/decline phase many bacteria ih biofilms are in this phase, thus are more resistant to antibiotics [ Choose] stage at which "carrying capacity" is reached [Choose ] >

Match the description to the correct phase in a standard bacterial growth curve. best time to perform Gram stains [Choose ] [Choose ] phase in which one would see the highest concentration of endopores lag phase stationary phase phase in which bacteria are most sensitive to log/exponential stage antibiotics death/decline phase many bacteria ih biofilms are in this phase, thus are more resistant to antibiotics [ Choose] stage at which "carrying capacity" is reached [Choose ] >

Aquaculture Science

3rd Edition

ISBN:9781133558347

Author:Parker

Publisher:Parker

Chapter2: Aquatic Plants And Animals

Section: Chapter Questions

Problem 2KA

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A. Bacterial Growth Curve Categorization. Drag and drop the microbial culture plates on the column that best represents the bacterial colony growth phase. -Number of Bacterial Cells (Log) ➡➡➡ Lag Exponential Phase Phase Stationary Phase Time (h) 24 Death Phase 48
Bacteria can increase in their number by binary fission into two daughter cells. The rate of exponential growth of a bacterial culture is expressed as generation time, how can the growth curve effect on generation time bacterial؟
Kemaining Time: 1 nour, vo * Question Completion Status: 10 20 3r 4 21 22 23 24 5 6 7 8 9 Multiple Answer: Choose all correct answers 10 11 the lag phase is associated with the highest levels of bacterial growth ✓the bacterial growth curve has several phases including the lag, log and death phases Othere is no binary fission occuring during the stationary phase O elongation is one of the first steps in bacterial reproduction Ogrowth curves are often represented logarithmically diluting colonies can help you to quantify how many bacteria were present in your original culture the Log phase is associated with rapid rates of DNA replication Filtration is a technique that can help to measure microbial death 12 13 14 A Moving to another question will save this response 49°F Mostly sunny Q Search 15 16 17
schema __ illustrates simple segragation. shema__illustrates how interpersion is violated during oven incubations schema___has randomization but poor interspersion
Consider the given bacterial growth curve (X axis is time, Y axis is log number of viable cells). At which time point would you expect the greatest sensitivity (ability to be killed) by a drug like penicillin? 100 120 NO 20 time (minutes) O 100 minutes O 45 minutes O 15 minutes O 140 minutes Log a of viablk cells
Plateau Phase Death Lag Phase Exponential Growth Phase Phase Fen ve cels Many ive cets Dead cells 10 15 20 25 30 35 40 45 Hours Consider the above figure which depicts the growth curve of microorganisms such as Saccharomyces cerevisiae. Now, reflect upon the components which make up the growth medium used to cultivate yeast. Whilst the growth medium was being made, the component which provides a source of energy for yeast was omitted. VWhat component was left out? What effect will this have on the growth curve phases and the rate at which they occur, especially in regard to the 'Exponential Growth' phase of the yeast? Loganmm/10of Vahie Cels
Identify and explain the different parts of the bacterial growth curve Please explain with as LITTLE words possible, this is only to study for an upcoming exam I don’t need a lot of detail
Using one of the graphs obtained with the medium II, name the different phases of the bacterial growth and indicate the starting and ending time points of these phases as well as the physiological characteristics of the bacteria during each phase
Below are the results of our disc diffusion study using antiseptics and disinfectants. Use the results to answer the following questions: Lab Lab Lysol 1:10 diluted Disinfectant Isopropanol soap Tincture of iodine bleach ISP T of I BL SO DIS LYS Diameter in mm of zone of inhibition E.coli 40 mm 20 mm 10 mm 15 60 mm Bacillus 20 70 mm 50 mm 35 mm 15 mm cereus Co
DRAW IT A bacterial culture was in log phase in the following figure. At time x, an antibacterial compound was added to the culture. Draw the lines indicating addition of a bactericidal compound and a bacteriostatic compound. Explain why the viable count does not immediately drop to zero at x. Time Log10 of number of cells
A bacterium is inoculated into a medium containing two carbon sources, one of which is the bacterium’s preferred carbon source. The resulting growth curve shows two lag phases. Explain this phenomenon. What is this type of growth called? Include a diagram of what the growth curve would look like and indicate the usage of each carbon source.
There are 10 mL of a culture of a bacteria at 104 cells/mL into 990 mL of the same broth at the same temperature (37° C) It is 8 p.m. the night before your lab which starts at 11 a.m. Doubling time for this species is 40 minutes. Will the culture reach Stationary Phase before your lab? Set up the equation correctly, solve for t, and tell me what time the culture will reach Stationary Phase. t /g = (Log Nt – Log N0) /0.301