Answer:
3rd
Explanation:
pepsin cannot possibly catalyze a reaction for a molecule it has not been shaped to do for.
They respond to all of these except color
hope dis helps ^-^
What is the advantage of having different shaped beaks? To look different from other species. To be able to eat different types of food. To fly faster. Ect.
In DNA Nucletide monomer are linked to the next through covalent bonds
Hope this helps!
