Cell Structure and Function

What organelle is NOT part of the endomembrane system?

• Endoplasmic reticulum
• Golgi apparatus
• Vesicles
• Mitochondria

What is the result of decreased membrane fluidity?

• Increased permeability
• Enhanced protein synthesis
• Improved energy production
• Reduced flexibility and function

What is the name of the model describing the structure of the cell membrane?

• Sandwich model
• Unit membrane model
• Crystal lattice model
• Fluid mosaic model

What is the function of the cell wall in fungi?

• Photosynthesis
• Storage of nutrients
• DNA replication
• Support and protection

What is the main difference between the primary and secondary cell walls?

• Primary wall contains lignin
• Secondary wall is thinner
• Only secondary wall is found in animals
• Primary wall can grow; secondary wall adds rigidity