Cell Structure and Function

What is the basic unit of life?

• Cell

• Organism

• Tissue

• Atom

Name the organelle responsible for energy production.

• Ribosome

• Chloroplast

• Mitochondrion

• Nucleus

What is the function of the cell membrane?

• The cell membrane regulates the movement of substances in and out of the cell.

• The cell membrane provides energy for cellular processes.

• The cell membrane stores genetic information.

• The cell membrane is responsible for protein synthesis.

Describe the role of ribosomes in a cell.

• Ribosomes store genetic information for the cell.

• Ribosomes are responsible for cell division and replication.

• Ribosomes transport nutrients across the cell membrane.

• Ribosomes synthesize proteins by translating mRNA into polypeptides.

What is the difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells lack a nucleus and organelles; eukaryotic cells have a nucleus and organelles.

• Prokaryotic cells contain membrane-bound organelles; eukaryotic cells do not.

• Prokaryotic cells have a nucleus; eukaryotic cells do not.

• Eukaryotic cells are smaller than prokaryotic cells.