Telling the difference between light microscopes, electron microscope, and indirect immunofluorescence (IMF).
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Where does DNA transcription start and stop? In this lesson, we explain how DNA transcription works, the start and stop of transcription, and the 3 major transcription steps.
How does DNA transcription work in bacteria and prokaryotes? In this lesson, we explain how bacterial transcription works and its 3 basic steps: initiation, elongation, and termination.
This lesson discusses the size scales relevant to cell biology.
What makes something living? What are the characteristics of living things? All life has a common origin, but how do we know? This lesson examines various characteristics that define life and the origin of life. Various famous scientists and their biological discoveries are also discussed.
The cell membrane is a mosaic and fluid structure. This lesson explains the factors that affect cell membrane fluidity, increase and decrease membrane fluidity of the phospholipid bilayer.