Stab tube- did the growth occur throughout the stab? If there wasn’t growth all the way...
Homework Answers
Stab tubes are used to test the motility of the bacteria in which solid agar is taken in a test tube and the bacteria is introduced into it by taking the inoculating needle straight to the near bottom end of the tube.
if the bacteria migrate from the line of inoculation and form a diffused turbidity around the surrounding medium, then it indicates that the bacteria is motile. But, if the bacteria grows only along the line of inoculation, it means that the bacteria is non-motile.
Coming to your part, you asked that; If there wasn’t growth all the way through, what does it mean??. So, it only means that the bacteria is non-motile.
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Stab tube- did the growth occur throughout the stab? If there
wasn’t growth all the way...
Format Tools Add-ons Help All changes saved in Drive Normal textArial What might occur If a tube is drawn out of th...
Format Tools Add-ons Help All changes saved in Drive Normal textArial What might occur If a tube is drawn out of the correct order? What is the purpose of inverting tubes after they are drawn? To avoid hemolysis of the specimen Think critically- what might occur if inversions are not performed properly? Not done at all? -Done too vigorously? 20 MacBook Pro
9 Interpret your results: a In which tube(s) did protein digestion occur? How do you know?...
9 Interpret your results: a In which tube(s) did protein digestion occur? How do you know? b In which tube(s) did no protein digestion occur? How do you know? c What effect does pH have on protein digestion with pepsin? Why? d What other effects does acid have in the stomach? Procedure 3 Demonstrate Lipid Emulsification Let's examine what happens during the process of emulsification. In this exercise you will use four substances to observe emulsification in action: 1 Lipids:...
I have this question before, it wasn’t completed all the way and the graphing was weird....
I
have this question before, it wasn’t completed all the way and the
graphing was weird. I’ve commented on that post can I have a redo
of the entire post question...
5. An object's motion is represented by the x vs. t graph Hint: Velocity is the slope of x vs. t graph, and acce [30 points: 5 points each] shown below. leration is slope of v vs. t graph. r (s) r (s) a. Draw the corresponding v vs....
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How did you EXPECT your uncut lane to look in the gel image? What ACTUALLY happened?...
How did you EXPECT your uncut lane to look in the gel image?
What ACTUALLY happened? What is a plausible explanation if there
was any discrepancy?
How did the observed BclI and EcoRI digest results compare to
the expected results? If they differed, list a potential reason
why?
BclI was incubated at 50°C, while EcoRI was incubated at 37°C.
Why was this necessary? What might you predict to occur if you
accidentally switched the temperatures?
3) Using the DNA ladder,...
1. Why do cancer cells spread throughout the body? Select all that apply (Think: how are...
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As we approach the mid-way point of this course, review and reflect on what we have learned thus far. What is something that you have learned that you did not know before? Which topic, or topics, did...
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This is what we did in the experiment .First of all,1 µl of plasmid DNA was...
This is what we did in the experiment .First of all,1 µl of
plasmid DNA was added into the tube which contains competent cells
and the tube was tapped gently to mix DNA and the competent
bacteria. After that it was placed on ice for 30 minutes. Then, the
tube with the competent bacteria and plasmid were transferred to
heating block at 42 °C and the tube was leaved in there exactly 90
seconds. 0.25 ml of LB broth was...
Water reference return all glassware and Test tube 2: Soapy water with hard water equipment Test tube Detergent re...
Water reference return all glassware and Test tube 2: Soapy water with hard water equipment Test tube Detergent reference aloto Minimal fie Detergent with hard wat Minimal alot of dsy solution using ocean water, which would be a better choice to foum foam an -RROR FOR THIS LAB: Describe any errors you may have made during this procedure and how they could prevented or corrected. If you did not make any errors, provide at least one theoretical source of error...
Format Tools Add-ons Help All changes saved in Drive Normal textArial What might occur If a tube is drawn out of the correct order? What is the purpose of inverting tubes after they are drawn? To avoid hemolysis of the specimen Think critically- what might occur if inversions are not performed properly? Not done at all? -Done too vigorously? 20 MacBook Pro
9 Interpret your results: a In which tube(s) did protein digestion occur? How do you know? b In which tube(s) did no protein digestion occur? How do you know? c What effect does pH have on protein digestion with pepsin? Why? d What other effects does acid have in the stomach? Procedure 3 Demonstrate Lipid Emulsification Let's examine what happens during the process of emulsification. In this exercise you will use four substances to observe emulsification in action: 1 Lipids:...
I
have this question before, it wasn’t completed all the way and the
graphing was weird. I’ve commented on that post can I have a redo
of the entire post question...
5. An object's motion is represented by the x vs. t graph Hint: Velocity is the slope of x vs. t graph, and acce [30 points: 5 points each] shown below. leration is slope of v vs. t graph. r (s) r (s) a. Draw the corresponding v vs....
How did you EXPECT your uncut lane to look in the gel image?
What ACTUALLY happened? What is a plausible explanation if there
was any discrepancy?
How did the observed BclI and EcoRI digest results compare to
the expected results? If they differed, list a potential reason
why?
BclI was incubated at 50°C, while EcoRI was incubated at 37°C.
Why was this necessary? What might you predict to occur if you
accidentally switched the temperatures?
3) Using the DNA ladder,...
This is what we did in the experiment .First of all,1 µl of
plasmid DNA was added into the tube which contains competent cells
and the tube was tapped gently to mix DNA and the competent
bacteria. After that it was placed on ice for 30 minutes. Then, the
tube with the competent bacteria and plasmid were transferred to
heating block at 42 °C and the tube was leaved in there exactly 90
seconds. 0.25 ml of LB broth was...
Water reference return all glassware and Test tube 2: Soapy water with hard water equipment Test tube Detergent reference aloto Minimal fie Detergent with hard wat Minimal alot of dsy solution using ocean water, which would be a better choice to foum foam an -RROR FOR THIS LAB: Describe any errors you may have made during this procedure and how they could prevented or corrected. If you did not make any errors, provide at least one theoretical source of error...
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