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What else can I help you with?
What is the value of a hanging-drop preparation?
A hanging-drop preparation is used in microbiology to observe the motility of microorganisms. By placing a drop of liquid culture on a coverslip inverted over a concave slide, the microorganisms are suspended in a hanging drop of liquid, allowing for easy observation under a microscope.
How is hanging with friends scientific?
Hanging with friends is like organisms in a community.
What is the Motion of pseudomonas fluorescens in hanging drop preparation?
In a hanging drop preparation, Pseudomonas fluorescens can exhibit motility by moving actively through the liquid medium using flagella. The movement is typically characterized by a swift and smooth motion, allowing the bacteria to explore their environment efficiently within the hanging drop.
Aside from motility what facts learned from hanging drop preparation?
The hanging drop preparation can study the motility over a longer period of time, but it is more difficult to examine than a wet mount. Wet mount is preferable to a hanging drop slide when using phase contrast optics.
What advantages does hanging drop preparation have over a wet mount preparation?
Hanging drop slide is more resistant to evaporation because of the concave depression of the slide placed over the cells along with the petroleum jelly prevents drying. Wet mounts can dry out fairly quickly.
Can the hanging drop method be used to examine other organisms?
Hangng drop method is used for bacterial examination of fresh preparations-- meaning those which are alive so you can observe their motility, its usually true motility or the brownian movement. This is accomplished by having a drop of liquid preparation into a concave slide with its circular sides filled with vaseline to prevent evaporation. then a cover slip is applied. I dunno what you mean by your question by " other organisms" obviously you can only apply it to bacteria. examples like Staphylococcus aureus, G. tetragena or P. vulgaris.
Would you expect Brownian motion to increase the longer you observe a hanging drop or wet mount preparation?
Just by the sheer fact that any vibration of any kind can be considered Brownian motion for a hanging drop test. the longer you observe your bacteria, the more chance there are of Brownian motion interfering with your motility test ( I assume you're talking about the motility hanging drop, right?). It is because of this fact that the hanging drop test is quickly falling out of favor for more secure tests for motility, the semi-solid media being one of them.
Would you expect Brownian motion to increase the longer you observe a hanging drop preparation?
Just by the sheer fact that any vibration of any kind can be considered Brownian motion for a hanging drop test. the longer you observe your bacteria, the more chance there are of Brownian motion interfering with your motility test ( I assume you're talking about the motility hanging drop, right?). It is because of this fact that the hanging drop test is quickly falling out of favor for more secure tests for motility, the semi-solid media being one of them.
Can flagella be seen in hanging-drop preparations?
Yes, flagella can be observed in hanging-drop preparations, although they may be challenging to see due to their thin and flexible structure. This technique allows for the examination of live, motile organisms in a drop of liquid, providing a suitable environment to visualize flagellar movement. Staining methods can enhance visibility, but in unstained preparations, flagella may still be inferred through the movement patterns of the organisms.
What is burr in spot welding?
Poor tip preparation, and poor alignment of electrodes, excessive current and hold time will all contribute to burrs,
What would you do You are hanging out at your house after school with a group of friends One of your friends pulls a bottle of alcohol out of her backpack and suggests you all start passing it around?
no i would not so i would not get in trouble.
If a compound has ethyl in front of it for example ethyl vanillin does this indicate that alcohol was used in its manufacturing?
Not necessarily, though alcohols are incredibly versatile and useful raw materials for organic synthesis. There is no particular link between ethanol (ethyl alcohol, "alcohol" in the "booze" sense) and the presense of "ethyl" in the name of a compound, which simply means that there's a CH3CH2- group hanging off of it somewhere.
