Tools and Techniques Used in Biology
Telangana Open School (TOSS) · Class 12 · Biology
Complete topic list for Tools and Techniques Used in Biology in Telangana Open School (TOSS) Class 12 Biology. Key concepts, sub-topics, and what to focus on for board exams.
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Topics in Tools and Techniques Used in Biology
Microscopes and Their Types
- Microscope is an instrument that magnifies and resolves tiny structures.
- Magnification is the ratio of image size to object size.
- Resolving power is the ability to distinguish two close points as separate.
Other Important Techniques
- Cytochemistry uses dyes to locate chemicals like DNA in cells (e.g., Feulgen stain with Schiff’s reagent).
- Autoradiography tracks radioactive molecules to study synthesis and movement in cells.
- Paper chromatography separates mixtures based on solubility and molecular weight.
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Central concept: Tools and Techniques Used in Biology
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