It is called lock and key model. it theorize that enzymes and its substrate behave like a lock and key which fits into each other and does not fit into any other system(lock or key)
Its a 20% chance that there baby would have blue eyes because brown is a common color and all the other colors are VERY rare.
The correct answer to your question would be Translation, so A, Hope this helps and is correct let me know.
B, consumer. Heterotrophs must eat other things for energy
A nurse´s best response in a post traumatic stress disorder case would be to be very patient, kind and understandable because it is a slow process where family members should get involved, that ptsd could take months of therapies and medication, that will depend on the origin of the trauma, the event that caused that emotional disorder, today considered a disease and like one, treated and medicated.