Cell Structure and Function

What did Robert Hooke observe when he examined a slice of cork?

• Living organisms
• Nuclei
• Chromosomes
• Small box-like structures

Which of the following statements is true about viruses?

• They reproduce on their own
• They have ribosomes
• They perform photosynthesis
• They lack membranes and cellular structure

Which organelle is unique to plant cells and performs photosynthesis?

• Mitochondria
• Ribosome
• Lysosome
• Chloroplast

Which organelle synthesizes ribosomes?

• Mitochondria
• Lysosome
• Vacuole
• Nucleolus

Which of the following is a characteristic of eukaryotic cells?

• Absence of DNA
• Single-celled only
• Simple internal organization
• Presence of membrane-bound organelles