Phototrophy Is

Question

Phototrophy is
A) photolysis.
B) use of photoexcited electrons to power cell growth.
C) chlorophyll photoexcitation.
D) photoionization.
E) a charge-separating photopigment.

Accepted Answer

Phototrophy is the use of photoexcited electrons to power cell growth. This process occurs in photosynthetic organisms such as plants, algae, and some bacteria. These organisms use light energy to convert carbon dioxide and water into organic compounds, producing oxygen as a byproduct.