Photosynthesis can be defined as the process by which green plants manufacture their food. Photosynthesis is important not only to plants themselves but also to animals, which depend on plants for food.
<span>There are other avenues to find the cure to diseases that do not involve exploiting fetuses.
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The amino acid sequence of a protein which is referred to as its primary structure determines the structure or folding pattern of that protein
The similarities between bones of humans and other animals shows that every living creature on earth has a common ancestor, even if that common ancestor is as simple as a sing-celled organism.