The yolk of an egg is one cell.
Yes, cell walls can be detected with a light microscope. The cell walls create a distinct structure around the plant cells, appearing as a rigid, distinct boundary under the light microscope. Staining techniques can further enhance the visibility of cell walls.
electron microscope
No, you need a florescent microscope to see that.
We need a microscope to see cells because they are too small to see without one.
Cells are dyed before being viewed under a light microscope to enhance the visibility of certain structures within the cell. This process, known as staining, helps highlight specific components such as the cell nucleus or organelles, making it easier to analyze and distinguish different cell types.
To see a centriole, you need an electron microscope, specifically a transmission electron microscope (TEM) or a scanning electron microscope (SEM). These microscopes provide the high resolution necessary to visualize the small structures within a cell, as centrioles are typically around 200 nanometers in diameter, far smaller than what light microscopes can resolve.
A hen's egg, prior to fertilization.
yes they are so small you need a microscope to see them.
When you need to observe a live specimen
Organelles that can be seen using a light microscope include the nucleus, mitochondria, chloroplasts (in plant cells), Golgi apparatus, endoplasmic reticulum, and vacuoles. These organelles are typically larger in size and have distinct structures that can be visualized using a light microscope, which has a lower magnification power compared to electron microscopes. Staining techniques can also be used to enhance the visibility of organelles under a light microscope.
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A compound light microscope with phase contrast or differential interference contrast (DIC) capabilities would be best to use if you want to observe living cells. These techniques allow for better visualization of cellular structures without the need for staining or fixing the cells, preserving their integrity and enabling real-time observation of processes such as cell division or movement.