techniques used in cell biology MCQS techniques used in cell biology MCQs 1. Isolation of cellular components is called: A. Tissue culture B. Cell fractionation C. Electrophoresis D. Spectrophotometry 2. Cell fractionation separates organelles on the basis of: A. Shape only B. Color C. Size and density D. Temperature 3. First step of cell fractionation is: A. Homogenization B. Sedimentation C. Staining D. Filtration 4. Enzyme used to digest middle lamella in plant cells: A. Amylase B. Protease C. Lipase D. Pectinase 5. The process of settling organelles by centrifugation is called: A. Homogenization B. Sedimentation C. Chromatography D. Micrometry 6. Heaviest organelles settle at: A. Low speed centrifugation B. High speed centrifugation C. Ultrafiltration D. Electrophoresis 7. Pellet rich in mitochondria is obtained at: A. 800g B. 150,000g C. 100,000g D. 500g 8. Differential staining is used to: A. Measure...