The oxygen can enter the water through diffusion or photosynthesis.In the process of diffusion oxygen slowly diffuse across the water's surface from the air.In the process of photosynthesis, oxygen is a produced as a waste product from aquatic plants.
Explanation:
CDKs are also known as cyclin dependent kinase. They are the signaling molecules that play a significant role in controlling the process of cell cycle. CDKs function only when it is bound to cyclin which is another class of regulatory proteins. In order to become fully active, the CDKs are supposed to bind to a cyclin molecule and also get phosphorylated by different kinase. Once the CDKs get activated, it signals the cell to pass on to the next step and thus the cell division continues.
Answer:
Forgetting and Problem solving
Explanation:
This question was formatted weirdly but I hope this answer helps! Let me know if this was what you were looking for.
Domain bacteria, Domain Archaea and Domain Eucarya
B. Secondary Consumers. I think because they are not producers.