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The surface area-to-volume ratio of cells determines how quickly they can absorb materials.  Suppose that a space mission to Planet Zognard-42 uncovers giant cube-shaped single celled organisms living in an oxygen atmosphere.  One species of cube-shaped organism is 2 cm on each side.  Another is 1 cm on each side.  About how much faster will the smaller cube organism be able to absorb oxygen?

Question 4 options:

They all absorb at the same rate.

2 times

3 times

6 times

Cells are limited in size because

Question 5 options:

they divided before they have a chance to grow.

they do not have enough vacuoles to store materials.

the cell membrane can't supply enough materials for a too large cell.

they are always in groups.

User Pomo
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2 Answers

2 votes
It would be 2 times.
User Lucy Maya Menon
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8.3k points
1 vote
I believe the correct answer of the first question from the choices listed above is the first option. About 2 times faster the smaller cube organism be able to absorb oxygen. Hope this answers the question. Have a nice day. Feel free to ask more questions.
User Vmorusu
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