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Multiple Choice
Which transport process moves larger substances in and out of the cell?
A
Exocytosis
B
Bulk transport
C
Facilitated diffusion
D
Endocytosis
Verified step by step guidance
1
Understand the types of transport processes: Cells use different transport processes to move substances across their membranes. These include passive transport (like diffusion and facilitated diffusion), active transport, and bulk transport (like endocytosis and exocytosis).
Define bulk transport: Bulk transport is a type of active transport that involves the movement of large particles or large volumes of substances into or out of the cell. This process requires energy in the form of ATP.
Differentiate between endocytosis and exocytosis: Endocytosis is the process by which cells engulf substances from the external environment, bringing them into the cell. Exocytosis is the process by which cells expel substances to the external environment.
Identify the role of facilitated diffusion: Facilitated diffusion is a passive transport process that moves substances across the cell membrane with the help of transport proteins, but it does not involve the movement of large particles.
Conclude which process is responsible for moving larger substances: Since bulk transport includes both endocytosis and exocytosis, and involves the movement of larger substances, it is the correct answer for the transport process that moves larger substances in and out of the cell.