Cell Structure and Organelles MCQs Quiz 5

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

1. Euchromatin is characterized by __________

 Dense chromatin packing

 Transcriptional inactivity

 Loose chromatin packing

 Absence of DNA

2. Lysosomes are primarily involved in __________

 ATP synthesis

 Protein folding

 Intracellular digestion and recycling of biomolecules

 DNA replication

3. __________ is the selective autophagy of mitochondria

 Mitophagy

 Lipophagy

 Xenophagy

 Phagocytosis

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

 Basic amino acids

 Acidic amino acids

 Carbohydrates

 Lipids

5. Autophagy is primarily activated under which cellular condition?

 Nutrient abundance

 High ATP levels

 Nutrient starvation or cellular stress

 DNA replication phase

6. Endosomes are part of _______

 DNA system

 Protein system

 Endomembrane system

 Cytoskeleton

7. Which organelle provides membrane sources for autophagosome formation?

 Ribosome

 Nucleus

 Endoplasmic Reticulum

 Cytoskeleton

8. The basic structural unit of chromatin is _______

 Chromatid

 Gene

 Centromere

 Nucleosome

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

 Chloroplast

 Genetic code

 Nucleus

 Mitochondria

10. Cells are considered functional units because they _______

 Contain proteins

 Perform metabolic activities

 Contain DNA

 Have membranes

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Cell Structure and Organelles MCQs Quiz 5

Cell Biology Multiple Choice Questions