Salt concentration is the factor among the following factors given in the question that does not vary between a fast flowing river and a pond that receives no water input. The correct option among all the options that are given in the question is the second option. I hope the answer comes to your help.
In my opinion, chloroplasts and mitochondria can't live outside the cell now because mitochondria ensure the energy for the cell and the chloroplasts is important for photosynthesis. Just my opinion.
- Water Distillation
- Surface Tension
- Hard Boiled Egg through an open bottle trick
- Cloud in a bottle
Good luck!
The molecule will enter the cell using a channel protein.
One strand of DNA contains many proteins.