Podcast
Questions and Answers
What happens to the surface area to volume ratio as cells increase in size?
What happens to the surface area to volume ratio as cells increase in size?
- It increases.
- It remains constant.
- It becomes irrelevant.
- It decreases. (correct)
Which of the following methods does NOT require energy for molecular transport?
Which of the following methods does NOT require energy for molecular transport?
- Endocytosis
- Active transport
- Facilitated diffusion (correct)
- Filtration (correct)
In which process do molecules move from an area of higher concentration to lower concentration?
In which process do molecules move from an area of higher concentration to lower concentration?
- Facilitated diffusion (correct)
- Active transport
- Endocytosis
- Filtration
What is necessary for facilitated diffusion to occur?
What is necessary for facilitated diffusion to occur?
What is the primary function of the cell membrane in relation to molecules?
What is the primary function of the cell membrane in relation to molecules?
Flashcards
Surface Area to Volume Ratio
Surface Area to Volume Ratio
The amount of surface area compared to the volume of a cell.
Diffusion
Diffusion
The movement of molecules from an area of high concentration to low concentration.
Facilitated Diffusion
Facilitated Diffusion
The movement of molecules across a cell membrane through specialized protein channels.
Osmosis
Osmosis
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Endocytosis
Endocytosis
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