Cytology and Embryology Quiz

What is the basic structural unit of an organism?

• Nucleus

• Cell

• Organ

• Tissue

Who enunciated the cell theory in 1838?

• Huxley and Hooke

• Watson and Crick

• Darwin and Wallace

• Schwann and Schleiden

Which of the following is NOT a component of the cell?

• Chloroplast

• Nucleus

• Cytoplasm

• Plasma membrane

What percentage of the plasma membrane is made up of proteins?

• 50%

• 60%

• 40%

• 70%

What type of transport requires energy?

• Simple diffusion

• Facilitated diffusion

• Active transport

• Osmosis

Which type of junction allows cells to communicate directly?

• Tight junction

• Desmosome

• Gap junction

• Adherens junction

What is the function of lysosomes?

• Cell division

• Intracellular digestion

• Energy production

• Protein synthesis

What is the primary function of mitochondria?

• Protein synthesis

• Energy production

• Cell division

• Detoxification

Which organelle is involved in lipid synthesis?

• Endoplasmic reticulum

• Ribosome

• Lysosome

• Golgi apparatus

What is the main function of the Golgi apparatus?

• Protein synthesis

• Modification and transport of proteins

• Cell division

• Energy production