Endocytosis & Exocytosis

Which of the following statements is true for exocytosis?

• It helps in the intake of large materials by the cell.
• It occurs without the help of any cell organelle.
• It is a form of active transport.
• It does not require energy.

Which of the following statements is true for endocytosis?

• It does not require energy.
• It helps in the intake of large materials by the cell.
• It occurs without the help of any cell organelle.
• It is a form of passive transport.

Which of the following cell organelles helps to transport large extracellular molecules into the cell?

• Vacuole
• Nucleus
• Ribosome
• Mitochondria

Which process best describes nonspecific internalization of dissolved ions outside the cell?

• Exocytosis
• Pinocytosis
• Receptor-mediate endocytosis
• Phagocytosis

Cell drinking is referred to as

• Phagocytosis
• Pinocytosis
• Exocytosis
• Endocytosis

Building material of cell wall is carried through the

• Phagocytosis
• Pinocytosis
• Exocytosis
• Endocytosis

 Engulfing of bacteria by white blood cells is called as

• Phagocytosis
• Pinocytosis
• Exocytosis
• Endocytosis

The network of cell membranes that is interconnected by vesicles budding off and fusing is called the:

• endoplasmic reticulum
• cytoskeleton
• exomembrane system
• endomembrane system

 Which of the following substances is most likely to be brought into a cell by receptor-mediated endocytosis?

• cholesterol bound to a protein ligand
• glucose
• a sodium ion
• an amino acid

Which process results in the formation of cage-shaped clathrin-coated vesicles?

• phagocytosis
• receptor-mediated endocytosis
• pinocytosis
• exocytosis