Category 1 Review

Which of the following is a key difference between prokaryotic and eukaryotic cells?

• Presence of DNA

• Ability to reproduce

• Presence of membrane-bound organelles

• Presence of ribosomes

What cellular structure is found in eukaryotic cells but not in prokaryotic cells?

• Cell membrane

• Cytoplasm

• Nucleus

• Ribosomes

Which process allows cells to maintain a stable internal environment?

• Mitosis

• Homeostasis

• Meiosis

• Photosynthesis

What type of cellular transport requires energy in the form of ATP?

• Simple diffusion

• Facilitated diffusion

• Osmosis

• Active transport

Which of the following is NOT a characteristic of viruses?

• Contain genetic material

• Have a protein coat

• Can reproduce independently

• Require a host cell to replicate

How do viruses reproduce?

• Binary fission

• Mitosis

• Using host cell machinery

• Meiosis

What is the correct order of stages in the cell cycle?

• G1, S, G2, M

• M, G1, S, G2

• S, G2, M, G1

• G2, M, G1, S

During which phase of the cell cycle does DNA replication occur?

• G1 phase

• S phase

• G2 phase

• M phase

What is the primary purpose of mitosis?

• To produce gametes

• To create genetic diversity

• To produce two genetically identical daughter cells

• To reduce chromosome number

Which of the following is NOT a stage of mitosis?

• Prophase

• Metaphase

• Interphase

• Telophase