It works like a lock and key. The lock is the enzyme and the key is the substrate. The enzyme works as a catalyst, speeding up the reaction time.
Asymmetrical organisms tend to be LESS complex than symmetrical organisms.
Asymmetrical organisms are those organisms that have primitive body plan, example of these are sponges. The symmetrical animals are much more developed in their body plans and layouts.<span />
Answer:
receptor tyrosine kinase activity.
Explanation:
Theses are the receptors present on the cell surfaces of cells with affinity fpr specific polypeptides- gwoth factors, hormones and cytokines. They are regulators of normal cellular processes. E.g e development and progression of cancer in most cells
Mutation in their protein sequence leads to faulty protein expression.
I think this would be the environment. That's my guess
