Poetry about Mitochondrial Description

A chloroplast is related to photosynthesis of plants. The green part of plant cells contains chloroplasts, which are places of photosynthesis. Chlorophyll in chloroplast can absorb light energy, convert light energy into chemical energy, convert carbon dioxide and water into organic matter, and store chemical energy in the organic matter it produces. A is wrong;

B, mitochondria are related to breathing. Mitochondria are energy converters contained in both plant cells and animal cells. Mitochondria are places for breathing, releasing chemical energy stored in organic matter and providing energy for cell life activities. B correct;

C, the nucleus is the genetic information base of cells, which contains genetic material and stores the main genetic information of cells. C error;

D, the cell membrane controls the entry and exit of substances inside and outside the cell and maintains the normal shape of the cell. D error.

Therefore, choose: B.