Most enzymes do in fact work on a single substrate in most cases, this is because of the enzyme - substrate specificity. Certain reactant molecules acting as substrates can only fit in the "lock" of particular enzymes and undergo a conformational change and result in Unique products to be released after the reaction has occurred.
Answer:
B
Explanation:
Proteins do store energy and nucleic acids provide energy thats why B is correct.
Cyanobacteria is the answer
