Cell Structure and Organelles MCQs Quiz 5

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

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

 Genetic code

 Nucleus

 Mitochondria

 Chloroplast

2. __________ is the selective autophagy of mitochondria

 Xenophagy

 Phagocytosis

 Mitophagy

 Lipophagy

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

 Lipids

 Basic amino acids

 Carbohydrates

 Acidic amino acids

4. Lysosomes are primarily involved in __________

 DNA replication

 ATP synthesis

 Intracellular digestion and recycling of biomolecules

 Protein folding

5. Autophagy is primarily activated under which cellular condition?

 Nutrient abundance

 High ATP levels

 Nutrient starvation or cellular stress

 DNA replication phase

6. Euchromatin is characterized by __________

 Absence of DNA

 Transcriptional inactivity

 Loose chromatin packing

 Dense chromatin packing

7. Cells are considered functional units because they _______

 Contain DNA

 Contain proteins

 Have membranes

 Perform metabolic activities

8. The basic structural unit of chromatin is _______

 Centromere

 Nucleosome

 Gene

 Chromatid

9. Endosomes are part of _______

 Endomembrane system

 Protein system

 DNA system

 Cytoskeleton

10. Which organelle provides membrane sources for autophagosome formation?

 Ribosome

 Endoplasmic Reticulum

 Nucleus

 Cytoskeleton

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Cell Structure and Organelles MCQs Quiz 5

Cell Biology Multiple Choice Questions