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Course: Cambridge AS & A Level Biology 9700 ...
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Cambridge AS & A Level Biology 9700 — Revision Notes

1 · Cell Structure

0/26

2 · Biological Molecules

0/51

3 · Enzymes

0/29

4 · Cell Membranes and Transport

0/41

5 · The Mitotic Cell Cycle

0/21

6 · Nucleic Acids and Protein Synthesis

0/22

7 · Transport in Plants

0/28

8 · Transport in Mammals

0/39

9 · Gas Exchange

0/13

10-11 · Infectious Disease and Immunity

0/43

12 · Energy and Respiration

0/37

13 · Photosynthesis

0/23

14-15 · Homeostasis and Control

0/57

16 · Inherited Change

0/33

17-18 · Selection, Evolution, Classification and Conservation

0/70

19 · Genetic Technology

0/44
Quiz

4.2.8 Investigating Surface Area – Exam questions

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  • Questions count: 6
  • Passing grade: B+
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1.
As a cell grows larger, its surface area to volume ratio
doubles
increases
decreases
stays constant
2.
A small surface area to volume ratio limits a cell because
its DNA cannot replicate
it has too many ribosomes
exchange of materials across the membrane becomes too slow for its needs
it cannot make proteins
3.
A cube-shaped cell has a side length of 2 µm. What is its surface area-to-volume ratio?
6 : 1
3 : 1
2 : 1
1 : 3
4.
According to the comparison table in this lesson, what is the Surface area (6s²) of 4 µm?
According to the comparison table in this lesson, what is the Surface area (6s²) of 4 µm?
SA:V for cubes
600
96
54
24
5.
As a cell grows larger, its surface area to volume ratio _____.
increases
stays the same
decreases
doubles
6.
Doubling the side of a cube increases surface area 4 times and volume 8 times. True or false?
False
True
False, both double
True only for cells
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Part of 4 · Cell Membranes and Transport — see every lesson and quiz in this unit.
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