Cell Function Reading Passage

What is the role of the cell nucleus?

• Control center of the cell

• Storage of waste materials

• Site of photosynthesis

• Production of lipids

What is the purpose of the nuclear envelope and nuclear pores?

• The nuclear envelope protects the nucleus, while nuclear pores regulate the exchange of materials.
• The nuclear envelope allows DNA to exit the nucleus freely.
• Nuclear pores are responsible for energy production in the cell.
• The nuclear envelope is a site for protein synthesis.

The nucleus contains nearly all the cell's ___ and the coded instructions for making proteins.

What role does the nucleolus play in the cell?

• The nucleolus regulates cell division and growth.
• The nucleolus helps in energy production for the cell.
• The nucleolus is responsible for DNA replication.
• The nucleolus plays a key role in producing ribosomal RNA and assembling ribosomes.

Vacuoles store materials like water, salts, proteins, and ___.

Why are lysosomes sometimes referred to as the “cleanup crew” of the cell?

• Lysosomes produce energy for the cell.
• Lysosomes are responsible for protein synthesis.
• Lysosomes store genetic information.
• Lysosomes digest and remove waste and damaged organelles.

The cytoskeleton helps the cell maintain its ___ and is also involved in movement.

What organelles help make and transport proteins?

• Ribosomes and endoplasmic reticulum

• Lysosomes and vacuoles

• Chloroplasts and mitochondria

• Cytoskeleton and centrioles

What does the Golgi apparatus do to proteins before they are sent to their final destination?

• The Golgi apparatus breaks down proteins for energy.
• The Golgi apparatus synthesizes new proteins from amino acids.
• The Golgi apparatus transports proteins directly to the nucleus.
• The Golgi apparatus modifies, sorts, and packages proteins.

What are the functions of chloroplasts and mitochondria?

• Energy conversion

• Protein synthesis

• Waste removal

• Cell division