Cell Structure and Organelles MCQs Quiz 5

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

1. Lysosomes are primarily involved in __________

 Intracellular digestion and recycling of biomolecules

 ATP synthesis

 DNA replication

 Protein folding

2. Which organelle provides membrane sources for autophagosome formation?

 Ribosome

 Cytoskeleton

 Nucleus

 Endoplasmic Reticulum

3. Cells are considered functional units because they _______

 Contain proteins

 Contain DNA

 Perform metabolic activities

 Have membranes

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

 Lipids

 Acidic amino acids

 Basic amino acids

 Carbohydrates

5. Endosomes are part of _______

 Protein system

 DNA system

 Cytoskeleton

 Endomembrane system

6. Autophagy is primarily activated under which cellular condition?

 Nutrient starvation or cellular stress

 Nutrient abundance

 High ATP levels

 DNA replication phase

7. __________ is the selective autophagy of mitochondria

 Mitophagy

 Lipophagy

 Xenophagy

 Phagocytosis

8. The basic structural unit of chromatin is _______

 Gene

 Centromere

 Chromatid

 Nucleosome

9. Euchromatin is characterized by __________

 Absence of DNA

 Transcriptional inactivity

 Loose chromatin packing

 Dense chromatin packing

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

 Mitochondria

 Chloroplast

 Nucleus

 Genetic code

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Cell Structure and Organelles MCQs Quiz 5

Cell Biology Multiple Choice Questions