Cell Structure and Function

Which of the following processes occurs in the mitochondrial matrix?

• Electron transport chain
• Glycolysis
• Photosynthesis
• Krebs cycle

What is the significance of the double membrane in mitochondria?

• Allows free diffusion of ions
• Stores water
• Absorbs heat
• Separates different functional compartments

Which membrane forms the outer boundary of the mitochondrion?

• Inner membrane
• Cell membrane
• Nuclear envelope
• Outer membrane

Which of the following is not stored by amyloplasts?

• Starch
• Carbohydrates
• Oils
• Proteins

Which plastid performs photosynthesis?

• Leucoplast
• Chromoplast
• Elaioplast
• Chloroplast