There were more but they weren't discovered as they were not viral and treatment was unknown and research were not done.
I would have to say b) a description or d) a statement hope that this helps if not message me
uh just tally a mark when you go on your phone or have communications.
Answer:
With protein kinase activation, a lot of enzymes are phosphorylated by other enzymes.
Explanation:
Hormones often cause multiple responses in a cell because they activate a cascade where the protein kinase activation, phosphorylation, and activation of one enzyme result in the phosphorylation and activation of another enzyme, and so on. This cascade of activation has multiple effects on the cell.
This is true since water is a physiological need for human life
