Multiple Choice
Which transport mechanism is responsible for bringing whole cells into another cell?
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6. The Membrane
Endocytosis and Exocytosis
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Which of the following are true of both endocytosis and exocytosis?
A
Both processes involve the movement of substances across the cell membrane.
B
Both processes result in the release of substances from the cell.
C
Both processes require the cell to expend energy in the form of ATP.
D
Both processes are forms of passive transport.
Verified step by step guidance1
Understand the definitions of endocytosis and exocytosis: Endocytosis is the process by which cells internalize substances from their external environment, while exocytosis is the process by which cells expel substances to the external environment.
Recognize that both endocytosis and exocytosis involve the movement of substances across the cell membrane, which is a key characteristic of both processes.
Identify that both processes require energy expenditure in the form of ATP. This is because they involve active transport mechanisms, which are energy-dependent.
Clarify that both processes are not forms of passive transport. Passive transport does not require energy, whereas both endocytosis and exocytosis do require energy.
Conclude that the true statements about both processes are: they involve movement across the cell membrane and require energy in the form of ATP.
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