Multiple Choice
Which of the following statements regarding glucose absorption is true?
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8. Respiration
Introduction to Cellular Respiration
Multiple Choice
What happens to red blood cells when sugar is added to the surrounding solution?
A
They remain unchanged because sugar does not affect osmosis in red blood cells.
B
They swell and may burst as water enters the cells by osmosis.
C
They shrink because the solution becomes hypertonic, causing water to leave the cells.
D
They shrink due to water leaving the cells by osmosis.
Verified step by step guidance1
Understand the concept of osmosis: Osmosis is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Recognize the role of sugar in the surrounding solution: Adding sugar increases the solute concentration in the solution surrounding the red blood cells, making it hypertonic compared to the inside of the cells.
Analyze the effect of a hypertonic solution: In a hypertonic solution, water moves out of the cells to balance the solute concentration between the inside and outside of the cells.
Consider the impact on red blood cells: As water leaves the cells, they lose volume and shrink, a process known as crenation in red blood cells.
Conclude the outcome: The red blood cells shrink because the surrounding solution becomes hypertonic, causing water to leave the cells by osmosis.
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