Answer:
He used peas because they are self pollinating,they grow fast,and they have many traits
I think the answer would be soot appears on a fireplace after a fire. I hope this helps you out! Good luck!
Your answer is C hope that helped
This would be True. Hope I helped!
Lac operon gets activated in the presence of lactose, but Trp operon gets deactivated in the presence of tryptophan.