Examples of natural in a Sentence. 1  furniture made of natural materials. 2  The river forms a natural boundary between the two countries. 3  natural foods like whole grain bread and fresh vegetables. 4  Gray hair is one of the natural consequences of getting older. 5  a natural increase in the population. 6  the natural course of the disease.
Synthesis. Definition. noun, plural: syntheses. (1) (biochemistry) The production of an organic compound in a living thing, especially as aided by enzymes. (2) (chemistry) The act or process of forming a complex substance by combining or integrating two or more chemical entities, especially through a chemical reaction. (3) (psychiatry) The integration of different elements of the personality, in opposition to analysis.
rRNA is synthesised in the nucleus, in a special part called the nucleolus. rRNA leaves the nucleus where it forms part of organelles called ribosomes which are the site of protein synthesis. Ribosomes can be free in the cytoplasm or attached to special membrane-bound organelles called rough endoplasmic reticulum (RER).est Answer: mRNA is synthesised in the nucleus. It is a copy of the genetic code held in DNA. It then passes out into the cytoplasm of the cell to be involved in protein synthesis.