Cell Structure and Organelles MCQs Quiz 5

Cell Structure and Organelles MCQs Quiz 5
Cell Biology Multiple Choice Questions

1. Which organelle provides membrane sources for autophagosome formation?

 Endoplasmic Reticulum

 Ribosome

 Cytoskeleton

 Nucleus

2. Endosomes are part of _______

 Protein system

 Cytoskeleton

 DNA system

 Endomembrane system

3. Euchromatin is characterized by __________

 Loose chromatin packing

 Dense chromatin packing

 Transcriptional inactivity

 Absence of DNA

4. Histone proteins are characterized by a high content of _________

 Basic amino acids

 Lipids

 Carbohydrates

 Acidic amino acids

5. Lysosomes are primarily involved in __________

 Protein folding

 ATP synthesis

 DNA replication

 Intracellular digestion and recycling of biomolecules

6. Cells are considered functional units because they _______

 Contain proteins

 Perform metabolic activities

 Have membranes

 Contain DNA

7. Autophagy is primarily activated under which cellular condition?

 Nutrient starvation or cellular stress

 High ATP levels

 Nutrient abundance

 DNA replication phase

8. Which feature is universally shared by cells of all known living organisms?

 Nucleus

 Genetic code

 Mitochondria

 Chloroplast

9. The basic structural unit of chromatin is _______

 Chromatid

 Gene

 Nucleosome

 Centromere

10. __________ is the selective autophagy of mitochondria

 Mitophagy

 Xenophagy

 Phagocytosis

 Lipophagy

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Cell Structure and Organelles MCQs Quiz 5

Cell Biology Multiple Choice Questions