Hey there!
Enzymes can be reused over and over again
Amino acids create protiens, endless possibilities of combinations of amino acids result in a wide variety of proteins
C is your answer :)
Hope it helps!
The truth about intercellular signals are nucleus which opens up on an ion-linked channel.
Intercellular signals mediates and ionizes radiation which is being induced by stander effects.
Inorder to get to know more about intercellular signal we have to identify the transducers, receptors and the ligands.
