QQuestionBiology
QuestionBiology
"Which type(s) of transport require energy?
SELECT ALL THAT APPLY
A. Exocytosis
B. Endocytosis
C. Facilitated diffusion"
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Answer
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Step 1:I'll solve this problem step by step, focusing on the types of cellular transport that require energy.
Step 2:: Understanding Cellular Transport
Cellular transport mechanisms can be classified into two main categories: - Passive transport (does not require energy) - Active transport (requires energy)
Step 3:: Analyzing Exocytosis
Exocytosis$$ is a process where vesicles fuse with the plasma membrane to release their contents outside the cell.
- This process requires energy (ATP) - Involves protein machinery and ATP-dependent mechanisms - REQUIRES ENERGY: ✓
Step 4:: Analyzing Endocytosis
Endocytosis$$ is a process where the cell membrane invaginates to bring materials into the cell.
- Includes mechanisms like phagocytosis and pinocytosis - Requires energy for vesicle formation and movement - REQUIRES ENERGY: ✓
Step 5:: Analyzing Facilitated Diffusion
Facilitated~diffusion$$ is a passive transport process
- Uses membrane proteins to help molecules cross - Does NOT require energy - DOES NOT REQUIRE ENERGY: ✗
Final Answer
A and B (Exocytosis and Endocytosis) require energy.
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