In most cases, the part of a cell or tissue that we want to look at isn't naturally fluorescent, and instead must be labeled with a fluorescent dye or tag before it goes on the microscope.

In this video we will explore the microscopic structure of bone or the Harvesian system in depth. Discover the difference between spongy and compact bone, learn about the function of osteons, and …

One group, the granulocytes, includes neutrophils, eosinophils, and basophils, all of which have granules in their cytoplasm when stained and viewed on a microscope. The other group, the …

Label the parts of the animal cell. Click each dot on the image to select an answer.

Cells are the most basic unit of life. All cells have a membrane that separates them from the outside world. Although cells are small, they are not simple. Cells contain different components, such as the …

And all of this terminology comes out of when people just looked under a microscope and they saw these lines, they started attaching names to it. And just so you have the other terminology-- we'll talk …

The great majority of the cell divisions that happen in your body involve mitosis. During development and growth, mitosis populates an organism’s body with cells, and throughout an organism’s life, it …

Check your understanding! You are looking at a recently discovered unicellular organism using a powerful microscope. How can you determine if the organism is a prokaryote or eukaryote? Choose …

Eukaryotic cells contain membrane-bound organelles (such as the nucleus and mitochondria), while prokaryotic cells do not. DNA in eukaryotic cells is found inside the nucleus, while DNA in prokaryotic …

So if we look at our muscle cells under a microscope, we'll see that they've got these striations on them, these bands, because remember, another name for skeletal muscle is striated skeletal muscle.