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the remains of digestion, which are eliminated from the body via the anus, and contain undigested food and bile pigments.
moulds that generally infect the leaves of many plants, including crop plants, such as wheat and...
single-celled organisms with all life functions performed within the cell.
a clear, colourless solution of hydrogen chloride (HCl) in water. It is a strong and highly...
a non-membrane bound structure made of proteins and nucleic acids that occurs within the nucleus...