1
Which organelle is absent in prokaryotic cells but present in eukaryotes, and contains its own DNA and ribosomes?
2
In differential centrifugation, why are larger and denser cellular components found in the pellet after low RCF spins?
3
Which statement correctly distinguishes plant and fungal cell walls?
4
During endocytosis, which cellular structure primarily mediates the uptake of extracellular material?
5
Which of the following best explains why ribosomes in mitochondria are 70S rather than 80S?
6
When performing isopycnic centrifugation, what property of organelles is primarily exploited to achieve separation?
7
Which of the following correctly pairs a macromolecule with its primary monomeric unit?
8
Why do eukaryotic cells possess both rough and smooth endoplasmic reticulum, and what distinguishes their functions?
9
In the context of the endosymbiotic theory, which evidence supports the bacterial origin of mitochondria and chloroplasts?
10
Which statement accurately describes the role of the cytoskeleton in eukaryotic cells?