Why cells stay small

Exercise and reference answers

Missing parts

1. Answer

   decreases

   Choices

   1. decreases
   2. increases
   3. doubles

2. Answer

   sphere

   Choices

   1. cube
   2. sphere
   3. rod

3. Answer

   periphery

   Choices

   1. nucleus
   2. periphery
   3. vacuole

Complete the statement

As a cell grows, its surface area to volume ratio {0}, and of all shapes the {1} has the smallest ratio of all, which matters because exchange happens at the {2}.

Instructions

Tap a word for each blank to complete the rule.

Explanation