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Questions and Answers
What is the primary function of the cell membrane?
What is the primary function of the cell membrane?
- To store genetic information
- To provide structural support to the cell
- To regulate what enters and leaves the cell (correct)
- To synthesize proteins
What is the term for the movement of molecules from an area of high concentration to an area of low concentration?
What is the term for the movement of molecules from an area of high concentration to an area of low concentration?
- Passive transport
- Osmosis
- Active transport
- Diffusion (correct)
Which organelle is responsible for generating most of the cell's energy?
Which organelle is responsible for generating most of the cell's energy?
- Mitochondria (correct)
- Endoplasmic reticulum
- Nucleus
- Lysosome
What is the process by which cells become specialized to perform specific functions?
What is the process by which cells become specialized to perform specific functions?
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Which type of cellular transport requires energy and involves the movement of molecules against their concentration gradient?
Which type of cellular transport requires energy and involves the movement of molecules against their concentration gradient?
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Study Notes
Cell Biology
- The primary function of the cell membrane is to regulate what enters and leaves the cell, while also providing structural support and maintaining the cell's shape.
Cellular Transport
- The movement of molecules from an area of high concentration to an area of low concentration is called diffusion.
- There are two main types of cellular transport: passive transport, which does not require energy, and active transport, which requires energy.
Cellular Energy
- The mitochondria is the organelle responsible for generating most of the cell's energy through a process called cellular respiration.
Cell Specialization
- The process by which cells become specialized to perform specific functions is called differentiation.
- Differentiation allows cells to adapt to their environment and perform unique roles within an organism.
Active Transport
- Active transport is a type of cellular transport that requires energy and involves the movement of molecules against their concentration gradient.
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