Answer: I believe it is Thigmotropism.
You didn't show anything, but more energy would affect enzyme activity.
Plants do carry out cellular respiration
They use it to convert glucose, a product from photosynthesis, into ATP, the energy carrying molecule
Btw plants and animals carry out cellular respiration
ONLY PLANTS carry out photosynthesis because they make their own food but they still need to convert it into energy
superior
Think of superior as above, so since it is above it will be the end towards the head. Inferior is below so it will be closer to your feet since anatomical position is standing.