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add ethanol onto the thin cell layer on the slide and watch under a microscope. the cell membrane moves away from the cell wall as the cell is becoming plasmolized and the red dye of the onion cell spreads as there is no longer a membrane to contain it

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What are the key characteristics and functions of onion root tip slides in biological studies?

Onion root tip slides are commonly used in biological studies to observe cell division. The key characteristics of these slides include the presence of actively dividing cells, visible cell structures such as nuclei and chromosomes, and distinct stages of the cell cycle. The functions of onion root tip slides in research include studying the process of mitosis, identifying abnormalities in cell division, and analyzing the effects of various treatments on cell growth and development.


Where are onion cells found?

All organisms are made of cells. An onion is and organism, hence all parts of an onion are made of cells.


Are chloroplasts visible in onion and cheek cells?

No chloroplasts in cheek and onion cells


What cells are in an onion tip but not the onion?

The cells in an onion tip but not the onion itself are usually actively dividing cells located at the growing tip of the onion root, known as the root cap cells. These cells help protect the delicate meristematic cells responsible for root growth and can often be found in the root zone of plants.


Which of the 2 cells cheek or onion cells have a regular arrangement and structure?

Between the 2 cells that are cheek and onion cells, the one that has a regular arrangement and structure are onion cells. Cheek cells have an irregular shape.


Why do onion cells do not have chloroplast?

Onion cells do not have chloroplasts because the onion is underground where there is no light. Without light chloroplasts have no purpose, so onion cells just don't have them.


What is the hypothesis of onion cell?

The hypothesis of observing onion cells under a microscope could be that the onion cells will have a distinct rectangular shape and contain a visible nucleus.


Does onion have cytoplasm?

All cells have cytoplasm, so yes, onion cells have cytoplasm.


How do onion cells compare with whitefish cells in size?

A onion cell is : 0.2 mm


How do potato cells differ from onion cells?

Potato cells have larger, more angular shape and contain starch granules, while onion cells are smaller and have a more rectangular shape with a distinct cell wall. Additionally, potato cells lack the characteristic onion cell layers seen in onion cells.


Why use iodine on onion slide?

Iodine is used on onion slides to stain the cells so that the nucleus becomes more visible under a microscope. This staining technique helps enhance the contrast between the different cellular structures, making it easier to observe and study them.


Where are the epidermal cells of an onion located?

The epidermal cells of an onion are located on the outermost layer of the onion bulb, forming a protective barrier.