MODULE 2: Cell Structure and Function

What is the basic unit of structure and function of life?

• Nucleus

• Cell

• Cytoplasm

• Plasma membrane

Which organelle acts as a selective barrier and receives chemical and environmental signals from outside the cell?

• Nucleus

• Endoplasmic reticulum

• Mitochondrion

• Plasma membrane

What is the function of the mitochondrion?

• Protein synthesis

• Detoxification

• Energy production

• Phospholipid synthesis

Which organelle is responsible for sorting, packaging, and secreting proteins and lipids?

• Lysosome

• Vacuole

• Ribosome

• Golgi apparatus

What is the function of the lysosome?

• Detoxification

• Digesting organic molecules

• Protein synthesis

• Energy production

Which organelle carries out oxidation reactions and detoxifies poisons in the body?

• Mitochondrion

• Endoplasmic reticulum

• Peroxisome

• Ribosome

What is the function of transport vesicles?

• Exocytosis

• Chemical modification and sorting

• Energy production

• Protein synthesis

Which specialized cell structure is found only in plant cells?

• Centriole

• Large central vacuole

• Cell wall

• Plastids

What is the function of centrioles in animal cells?

• Energy production

• Cell division

• Protein synthesis

• Detoxification

What is the function of the cell wall in plant cells?

• Protein synthesis

• Digesting organic molecules

• Energy production

• Strengthens and protects the cell