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2.16 Factors affecting movement into and out of cells
Exam question
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Which change would increase the rate of diffusion across a membrane?
(1)Total for this question: 1 mark
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
Mark points shown after marking
Which cube has the largest surface area to volume ratio?
(1)Total for this question: 1 mark
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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A cube of agar has sides of 1 cm. Calculate its surface area to volume ratio. Give your answer as a ratio to 1.
(2)Total for this question: 2 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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A cube of agar has sides of 2 cm. Calculate its surface area to volume ratio. Give your answer as a ratio to 1.
(2)Total for this question: 2 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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A cube of agar has sides of 3 cm. Calculate its surface area to volume ratio. Give your answer as a ratio to 1.
(2)Total for this question: 2 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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A cube of agar has sides of 5 cm. Calculate its surface area to volume ratio. Give your answer as a ratio to 1.
(2)Total for this question: 2 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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Give four factors that change how fast substances move into or out of cells.
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Total for this question: 4 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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Explain why increasing temperature increases the rate of diffusion.
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Total for this question: 2 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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Explain why a large surface area increases the rate of diffusion.
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Total for this question: 2 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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Explain why a short diffusion distance increases the rate of diffusion.
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Total for this question: 2 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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Explain why large multicellular organisms need transport systems.
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Total for this question: 3 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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Explain how the villi in the small intestine increase the rate of absorption.
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Total for this question: 3 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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Explain why a steep concentration gradient is needed for fast diffusion.
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Total for this question: 2 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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Describe how the rate at which dye diffuses into agar cubes changes with cube size.
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Total for this question: 3 marks
Lesson: 2.16 Factors affecting movement into and out of cells
2.16 Factors affecting movement into and out of cells
Exam question
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Explain why a single-celled organism does not need a transport system.
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Total for this question: 2 marks
Lesson: 2.16 Factors affecting movement into and out of cells
