Podcast
Questions and Answers
What is the process by which water molecules enter or leave cells?
What is the process by which water molecules enter or leave cells?
- Osmosis (correct)
- Facilitated diffusion
- Active transport
- Diffusion
Which process is responsible for the movement of gases between body cells and the blood in capillaries?
Which process is responsible for the movement of gases between body cells and the blood in capillaries?
- Osmosis
- Diffusion (correct)
- Facilitated diffusion
- Active transport
What is the waste product of aerobic respiration that is at a higher concentration in cells than in blood passing through capillaries in tissues?
What is the waste product of aerobic respiration that is at a higher concentration in cells than in blood passing through capillaries in tissues?
- Nitrogen
- Carbon dioxide (correct)
- Carbon monoxide
- Oxygen
What is the term used to describe the net movement of particles from an area of high concentration to an area of low concentration?
What is the term used to describe the net movement of particles from an area of high concentration to an area of low concentration?
What is the process by which substances move in and out of cells across the cell membrane?
What is the process by which substances move in and out of cells across the cell membrane?
What is the main process through which gases are exchanged in tissues?
What is the main process through which gases are exchanged in tissues?
What is the function of an animation in understanding processes like diffusion?
What is the function of an animation in understanding processes like diffusion?
What do simulations help us to visualize?
What do simulations help us to visualize?
In the interactive simulation of diffusion across a membrane, what can you control?
In the interactive simulation of diffusion across a membrane, what can you control?
How do external factors, such as temperature, influence the rate of diffusion?
How do external factors, such as temperature, influence the rate of diffusion?
What is the main process responsible for pulling water from the xylem vessel to leaf cell walls?
What is the main process responsible for pulling water from the xylem vessel to leaf cell walls?
What property of water prevents its molecules from being pulled apart and changing to water vapor in the xylem vessels?
What property of water prevents its molecules from being pulled apart and changing to water vapor in the xylem vessels?
How is water drawn through the walls of leaf cells?
How is water drawn through the walls of leaf cells?
What is the tissue through which leaf cell walls regain lost water from vessels?
What is the tissue through which leaf cell walls regain lost water from vessels?
Which process causes a loss of water from cell walls inside the leaf?
Which process causes a loss of water from cell walls inside the leaf?
What drives the movement of water through a selectively permeable membrane in osmosis?
What drives the movement of water through a selectively permeable membrane in osmosis?
Where does photosynthesis occur in a leaf from a flowering plant?
Where does photosynthesis occur in a leaf from a flowering plant?
What is the main function of stomata in a leaf's gas exchange process?
What is the main function of stomata in a leaf's gas exchange process?
What creates concentration gradients leading to carbon dioxide and oxygen diffusion in a leaf?
What creates concentration gradients leading to carbon dioxide and oxygen diffusion in a leaf?
In the context of gas exchange in leaves, what is the solvent that facilitates the movement of water vapor?
In the context of gas exchange in leaves, what is the solvent that facilitates the movement of water vapor?
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