Cell Structure and Function

What type of cell is described as being branched and long?

• White blood cell
• Red blood cell
• Muscle cell
• Nerve cell

What is the shape of human red blood cells?

• Columnar
• Disc-like
• Round and biconcave
• Thread-like

Which part of the plant cell gives it a fixed shape?

• Cytoplasm
• Plasma membrane
• Nucleus
• Cell wall

Which organelle is involved in lipid synthesis and detoxification?

• Rough endoplasmic reticulum
• Golgi apparatus
• Mitochondria
• Smooth endoplasmic reticulum

Which of the following statements correctly defines the modern cell theory?

• Cells can form from non-living matter
• Organisms can be non-cellular
• Cells are not the basic unit of life
• All organisms are composed of one or more cells; all cells come from pre-existing cells