Question

Cellular respiration is an exothermic reaction and photosynthesis is an endothermic reaction. How does the required activation energy compare for these two reactions?(1 point)%0D%0AResponses%0D%0A%0D%0APhotosynthesis needs a higher amount of energy to activate the reaction because the products are at a lower energy state than the reactants.%0D%0APhotosynthesis needs a higher amount of energy to activate the reaction because the products are at a lower energy state than the reactants.%0D%0A%0D%0ACellular respiration needs a smaller amount of energy to activate the reaction because the products are at a lower energy state than the reactants.%0D%0ACellular respiration needs a smaller amount of energy to activate the reaction because the products are at a lower energy state than the reactants.%0D%0A%0D%0APhotosynthesis needs a smaller amount of energy to activate the reaction because the products are at a lower energy state than the reactants.%0D%0APhotosynthesis needs a smaller amount of energy to activate the reaction because the products are at a lower energy state than the reactants.%0D%0A%0D%0ACellular respiration needs a higher amount of energy to activate the reaction because the products are at a lower energy state than the reactants.

Answer 1

The correct response is:

Photosynthesis needs a higher amount of energy to activate the reaction because the products are at a lower energy state than the reactants.

In photosynthesis, light energy is required to convert carbon dioxide and water into glucose and oxygen, resulting in a higher activation energy. In contrast, cellular respiration releases energy as it converts glucose and oxygen into carbon dioxide and water, indicating that it requires a lower activation energy.