Question
A scientist is studying how oxygen moves across the cell membrane. She places living cells in a sealed container with a high concentration of oxygen outside the cells and a low concentration inside. Over time, she observes that oxygen molecules move into the cells without the use of energy.
Which process best explains how oxygen moves into the cells?
(5 Points)
Active transport, because oxygen requires energy to move across the membrane.
Facilitated diffusion, because oxygen moves through protein channels.
Osmosis, because oxygen is dissolved in water.
Diffusion, because oxygen moves from high concentration to low concentration without energy.
Which process best explains how oxygen moves into the cells?
(5 Points)
Active transport, because oxygen requires energy to move across the membrane.
Facilitated diffusion, because oxygen moves through protein channels.
Osmosis, because oxygen is dissolved in water.
Diffusion, because oxygen moves from high concentration to low concentration without energy.
Answers
GPT-4o mini
The process that best explains how oxygen moves into the cells is:
**Diffusion, because oxygen moves from high concentration to low concentration without energy.**
In this scenario, oxygen molecules are moving from an area of high concentration outside the cells to an area of low concentration inside the cells, which is a classic example of diffusion. This process does not require energy, making it distinct from active transport.
**Diffusion, because oxygen moves from high concentration to low concentration without energy.**
In this scenario, oxygen molecules are moving from an area of high concentration outside the cells to an area of low concentration inside the cells, which is a classic example of diffusion. This process does not require energy, making it distinct from active transport.