Wednesday
April 16, 2014

Homework Help: biology

Posted by April on Saturday, January 13, 2007 at 3:49pm.

Why must plants have both mitochondrion and chloroplasts?

Thanks in advance. I think it has something to do with the fact that chloroplasts convert sunlight into chemical energy. Does that sound right?

One of the most widely recognized and important characteristics of plants is their ability to conduct photosynthesis, in effect, to make their own food by converting light energy into chemical energy. This process occurs in almost all plant species and is carried out in specialized organelles known as chloroplasts. All of the green structures in plants, including stems and unripened fruit, contain chloroplasts, but the majority of photosynthesis activity in most plants occurs in the leaves. On the average, the chloroplast density on the surface of a leaf is about one-half million per square millimeter.


Mitochondria are oblong shaped organelles found in the cytoplasm of all eukaryotic cells. In plant cells, they break down carbohydrate and sugar molecules to provide energy, particularly when light isn't available for the chloroplasts to produce energy.




You can just put 2 and 2 2gether frm that and you have your answer.

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