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drugs that are used to treat infections caused by bacteria. Many antibiotics are produced by micro-organisms.
coiled thread-like structures of DNA and histone, which is a protein, in the cell nucleus. They...
a heart chamber that pumps blood from the heart to the body or lungs.
the first part of the intestine, from the pyloric valve of the stomach to the caecum. It...
the practice and science of classification. This is the part of systematics that is only...