2C Cell size and diffusion

What is the impact of a large, round cell size on the rate of diffusion compared to a long and thin cell?

• It decreases the rate of diffusion
• It has no impact on diffusion
• It only affects the shape of the cell
• It increases the rate of diffusion

What is the impact of increasing the size of the molecule moving by diffusion (e.g. nutrients) on the efficiency of nutrient delivery and waste removal?

• It only affects the rate of diffusion
• It has no impact on efficiency
• It increases efficiency
• It decreases efficiency

What is the impact of a small, flat cell shape on the efficiency of nutrient delivery and waste removal?

• It only affects the size of the cell
• It decreases efficiency
• It has no impact on efficiency
• It increases efficiency

What is the impact of increasing the cell volume on the efficiency of nutrient delivery and waste removal?

• It decreases efficiency
• It only affects the rate of diffusion
• It increases efficiency
• It has no impact on efficiency

What factor can affect the rate of diffusion by increasing the difference between high and low concentrations?

• Increasing cell volume
• Increasing concentration gradient
• Increasing cell size
• Increasing temperature

What is the relationship between cell size, shape, and the rate of diffusion?

• Cell size and shape have no impact on diffusion
• Larger cells have a faster rate of diffusion
• Smaller cells have a faster rate of diffusion
• Cell shape does not affect the rate of diffusion

What is the role of diffusion in the survival and growth of a cell?

• It delivers nutrients and removes wastes
• It has no role in cell survival and growth
• It helps the cell reproduce
• It provides energy to the cell

What is the process by which molecules move from an area of high concentration to an area of lower concentration?

• Active transport
• Osmosis
• Diffusion
• Endocytosis

What is the impact of increasing the concentration gradient on the efficiency of nutrient delivery and waste removal?

• It only affects the rate of diffusion
• It decreases efficiency
• It increases efficiency
• It has no impact on efficiency

What is the impact of increasing the temperature on the efficiency of nutrient delivery and waste removal?

• It decreases efficiency
• It has no impact on efficiency
• It increases efficiency
• It only affects the rate of diffusion