Answer:
<h3>As per the hints most applicable is a check that chromosome replication has been successfully completed this is because chromosome replication does not occur until after G1. Actually this checkpoint is G2.</h3>
Explanation:
During G2 phase cell undergoes rapid growth in size as well as protein synthesis takes place. During this process cell basically prepare itself for mitosis.
What are the characters???
The population of jelly fish would take over, because sea turtles eat them.
The cell membrane an animal cell is similar to your skin.