Exploring Cell Structure and Functions

Which of the following best describes the main function of the cell membrane?

• To provide energy for the cell

• To control the movement of substances in and out of the cell

• To store genetic information

• To synthesize proteins

Which organelle is known as the "powerhouse of the cell"?

• Nucleus

• Mitochondria

• Ribosome

• Golgi apparatus

What is the main function of ribosomes in a cell?

• DNA replication

• Protein synthesis

• Lipid storage

• Energy production

Which of the following is found only in plant cells and not in animal cells?

• Mitochondria

• Cell wall

• Nucleus

• Lysosome

What is the function of the nucleus in a cell?

• Produces energy

• Controls cell activities and stores genetic material

• Synthesizes proteins

• Provides structural support

Which process describes the division of a cell's nucleus and its contents?

• Cytokinesis

• Mitosis

• Photosynthesis

• Respiration

Which of the following is NOT a part of the cell theory?

• All living things are made up of cells

• Cells are the basic unit of life

• All cells arise from pre-existing cells

• All cells have a cell wall

Which organelle is responsible for packaging and transporting proteins?

• Endoplasmic reticulum

• Golgi apparatus

• Lysosome

• Chloroplast

Which of the following is a function of the cell membrane?

• DNA replication

• Selective permeability

• Protein synthesis

• Photosynthesis

Which type of cell does NOT have a nucleus?

• Plant cell

• Animal cell

• Prokaryotic cell

• Eukaryotic cell