As plant cells rely on energy obtained directly from the sun to carry out cellular processes, sugars are only used as backup energy sources for plants on cloudy days.

Question

Quizplus · Accepted Answer

While plant cells do rely on energy obtained from the sun through photosynthesis, sugars are actually a primary source of energy for plants. Photosynthesis produces sugars, which are then used as fuel for cellular processes even on sunny days.

As Plant Cells Rely on Energy Obtained Directly from the Sun