
Microscopy: Intro to microscopes & how they work (article
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.
Compound microscope (video) | Khan Academy
Let's explore the principle of a compound microscope and then logically build one, step by step.
Microscopic structure of bone - the Haversian system
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 …
Components of blood (article) | Khan Academy
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 …
Prokaryotic cells (article) | Khan Academy
Learn about prokaryotic cells, their structure, functions, and differences from eukaryotic cells on this educational page.
Cell parts and functions (article) | Khan Academy
Label the parts of the animal cell. Click each dot on the image to select an answer.
Anatomy of the Stem (video) | Khan Academy
It's sometimes difficult to draw diagrams in biology! Remembering all those labels can be tricky! In this video, we're going to use a memory device to learn about the different parts of a dicot …
Structure of a cell | Biology archive | Science | Khan Academy
This unit is part of the Biology archive. Browse videos and articles by topic. For our most up-to-date, mastery-enabled courses, check out High School Biology and AP Biology.
Parts of a nephron (video) | Khan Academy
And so he looked under a microscope. And he noticed that if you look right where these little tufts of blood vessels are, you can actually see that there's something surrounding each of them.
Phases of mitosis | Mitosis | Biology (article) | Khan Academy
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 …