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6. Mitochondria
- Contain hydrolytic enzymes
- Are involved in cellular defense mechanism
- Are found in each and every cell of body
- Contain DNA
- Are produced by ER
7. During mitosis nucleus begins to disappear in
- Anaphase
- Early prophase
- Late prophase
- Early metaphase
- Late metaphase
8. Which of the following is not a lysosomal enzyme
- Aryl sulfatase
- Phosphatase
- Cerebrosidase
- Glycosidase
- Ribonuclease
9. Identify the nom-membranous organelle from following
- Mitochondria
- Golgi Apparatus
- ER
- Ribosome
- Nucleus
10. What is not a function of glycocalyx
- Provides cell cell adhesion
- Provides energy to cell
- Provides an overall surface negative charge
- Many of its carbohydrates act as receptors for specific hormones
- Involved in immune reaction
11. Endoplasmic Reticulum
- Contains enzymes for cellular resp.
- Contains gel like matrix
- Synthesizes ribosomes
- Provides major share of metabolic machinery
- Is abundant in muscle cells
12. Regarding cytoskeleton
- Source of origin of ER
- Microfilaments are polymers of tubulin
- Are absent in muscle cells
- Microtubules provide a rigid physical structure to cell
- Mitotic spindles are made up of microfilaments
13. Peroxisomes
- Are involved in breakdown of food particles
- Are synthesized by golgi apparatus
- Are involved in oxidative phosphorylation
- Synthesize H2O2
- Are membrane bound organelles
14. Which of the following is not a constituent of cell membrane
- Cholesterol
- Glycolipids
- Lipoproteins
- Phospholipids
- Triglycerides
15. The main function of centrosome is
- Protein synthesis
- Chemotaxis
- Secretion
- Formation of mitotic spindle
- Cell death