Multiple Choice
Which of the following is true about diffusion?
7. Gases
Effusion
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Which concentration gradient would result in a faster diffusion of oxygen?
A
A high concentration of oxygen inside the cell and low concentration outside
B
A low concentration of oxygen inside the cell and high concentration outside
C
Equal concentrations of oxygen inside and outside the cell
D
A moderate concentration of oxygen both inside and outside the cell
Verified step by step guidance1
Understand the concept of diffusion: Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration until equilibrium is reached.
Identify the concentration gradient: A concentration gradient is the difference in the concentration of a substance between two areas. A steeper gradient means a larger difference in concentration.
Analyze the options: Consider each scenario in terms of the concentration gradient. A high concentration inside and low outside means a gradient from inside to outside, while a low concentration inside and high outside means a gradient from outside to inside.
Determine the direction of diffusion: Oxygen will diffuse from the area of higher concentration to the area of lower concentration. The steeper the gradient, the faster the diffusion.
Conclude which scenario results in faster diffusion: A low concentration of oxygen inside the cell and a high concentration outside creates the steepest gradient, resulting in the fastest diffusion of oxygen into the cell.
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