Biology Quiz: Cell Structure and Function

What are the characteristics of life that make an organism alive?

• Osmosis, diffusion, active transport, facilitated transport

• Photosynthesis, cellular respiration, mitosis, meiosis

• Respiration, excretion, circulation, digestion

• Movement, growth, reproduction, response to stimuli

What is the smallest living unit in all organisms according to the cell theory?

• Mitochondria

• Cell

• Protein

• Nucleus

Which biomolecule is made up of monomers such as monosaccharides, fatty acids & glycerol, amino acids, and nucleotides?

• Carbohydrates

• Lipids

• Nucleic acids

• Proteins

What is the function of enzymes in cells?

• DNA replication

• Speed up chemical reactions

• Cell division

• Energy production

What are the main differences between prokaryotic cells and eukaryotic cells?

• Prokaryotic cells have a nucleus, eukaryotic cells do not

• Eukaryotic cells have a nucleus, prokaryotic cells do not

• Prokaryotic cells have membrane-bound organelles, eukaryotic cells do not

• Eukaryotic cells have a cell wall, prokaryotic cells do not

What is the function of the cell membrane in living cells?

• DNA replication

• Control what goes in and out of the cell

• Cell division

• Energy production

What is the process by which water molecules travel through a semi-permeable membrane?

• Simple diffusion

• Osmosis

• Facilitated diffusion

• Active transport

What is the purpose of DNA replication in cells?

• To make more ATP

• To produce energy

• To make new cells for growth and repair

• To break down glucose

What are the phases of the cell cycle?

• G1, S, G2, M

• Prophase I, Metaphase I, Anaphase I, Telophase I

• Prophase, Metaphase, Anaphase, Telophase

• Interphase, Mitosis, Cytokinesis

What is the purpose of meiosis in cells?

• To make more ATP

• To break down glucose

• To produce gametes for sexual reproduction

• To make identical body cells