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.
This is largely a growth phase, during which there is a lot of biosynthesis of proteins, lipids, and carbohydrates. However, there is no synthesis of new DNA at this time. G1. is the longest of the cell cycle phases in many cell types, and most of the physiological. activity of a cell happens during G1. Following G1, the next phase of the cell cycle is the S. phase, during which synthesis of new DNA occurs. In other words, the genome is being. replicated during this phase; thus at the end of S phase, the cell has twice the normal. amount of DNA.