Cell Structure and Function

Which component of the endomembrane system is directly connected to the nuclear envelope?

• Golgi apparatus
• Lysosomes
• Vacuoles
• Endoplasmic reticulum

Smooth ER is primarily involved in:

• Protein synthesis
• DNA replication
• Lipid synthesis
• Energy production

The luminal compartment refers to:

• The nucleus
• The cytoplasm
• The interior space of the ER
• The extracellular space

Which cells are likely to have an extensive rough ER?

• Fat storage cells
• Photosynthetic cells
• Cells that secrete proteins
• Cells undergoing rapid division

What distinguishes rough ER from smooth ER?

• Type of enzymes present
• Size of the tubules
• Color under a microscope
• Presence of ribosomes