Exploring Multicellular Organisms

What is the basic unit of life in multicellular organisms?

• organ

• organism

• tissue

• cell

Which organelle is responsible for energy production in cells?

• Chloroplasts

• Nucleus

• Ribosomes

• Mitochondria

What structure controls the movement of substances in and out of the cell?

• Cytoplasm

• Nucleus

• Ribosome

• Cell membrane

What is the function of ribosomes in a cell?

• Ribosomes synthesize proteins in a cell.

• Ribosomes store genetic information in a cell.

• Ribosomes transport nutrients across the cell membrane.

• Ribosomes generate energy for cellular processes.

How do plant cells differ from animal cells in structure?

• Plant cells are smaller than animal cells and have more organelles.

• Animal cells contain chloroplasts and large vacuoles, while plant cells do not.

• Plant cells have a cell wall, chloroplasts, and large vacuoles; animal cells do not.

• Animal cells have a cell wall, chloroplasts, and large vacuoles; plant cells do not.