Glucose, sucrose or lactose.
Acetylene (C2H2) has a triple bond between the two carbons. So 3 pairs of electrons. Biomed is talking about ethylene (C2H4).
The activation energy stands as a sort of a barrier between reactants and products and is shown by the letter E.
<h3>What is activation energy?</h3>
The activation energy is the energy that must be supplied in order for a reaction to proceed forward.
The activation energy stands as a sort of a barrier between reactants and products and is shown by the letter E in a diagram of an enzyme controlled reaction.
Enzymes tend to decrease the activation energy by providing an alternative path for the reaction.
Learn more about activation energy:brainly.com/question/11334504
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Reduction and duplication is the correct answer