Answer:
You are viewing an egg cell
Answer: b. reaction 3
Explanation: When an enzyme is present in a reaction acts as a catalyst, increasing velocity of reaction and decreasing the activation energy, when not present an enzyme the reaction velocity is very low and implies high activation energy, being unfavorable to the system
Answer: Plants use their photosynthesis to make glucose and their chloroplast to break the glucose down to obtain ATP.
Explanation: