Tools and Techniques Used in Biology

Microscopes are instruments that magnify

Microscopes are instruments that magnify and resolve tiny structures. The main types include simple microscope (with one lens), compound microscope (u

Magnification is how much larger

Magnification is how much larger an object appears, while resolving power is the ability to distinguish two close points as separate. Higher resolutio

Transmission Electron Microscope (TEM) passes electrons

Transmission Electron Microscope (TEM) passes electrons through thin samples to show internal structures. Scanning Electron Microscope (SEM) scans the

These techniques use chemical stains like

These techniques use chemical stains like Schiff's reagent in Feulgen staining to detect specific molecules such as DNA within cells.

Involves introducing radioactively labeled molecules into

Involves introducing radioactively labeled molecules into organisms and using photographic film to detect their location based on emitted radiation.