Answer:
Internal and external regulators are two types of proteins that regulate the cell cycle. Internal regulators allow the cell cycle to proceed only after certain events occur. External regulators speed up or slow down the cell cycle.
Explanation:
I hope this helps :)
By a window? I don't know if you have multiple choice on the question but she should put it where there is sunlight.
Answer:
Alive
Explanation:
Its the only word that makes sense in that sentance
