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Author Topic: The Handiwork of God:Aging  (Read 3145 times)

andreas

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The Handiwork of God:Aging
« on: May 24, 2003, 12:18:01 AM »
"But now hath God set the members every one of them in the body, as it hath pleased Him".1 Cor.12:18.


The human body is made up of millions of different parts, each created for a specific purpose that contributes to the complex and harmonious workings of the body. Each part demonstrates, complexity, intricacy, unity within itself and dependence on other parts to accomplish its purpose. You cannot, but be amazed at God's handiwork when you study the human body, and consider that it represents the body of regenerated people, united in Jesus for the glory of God.
All our genetic information is carried in complex molecules called DNA (Deoxyribonucleic acid). A typical human cell has about three meters of DNA. As a result of replication of the human DNA, the molecules get shorter and shorter, and if a cell divided enough times, essential genes would be deleted, and clearly if the trend continued over subsequent generations, we would cease to exist. Well how do we avoid this? Our DNA molecules have special nucleotide sequences at their ends called Telomeres (Gk. Telos-end meres-parts). The Telomeres do not contain genes. Instead they are made of repeated sequences of nucleotides (repeated units that make up DNA). In humans the sequence is TTAGGG, (The letters stand for the names, such as T for Thymine, A for Adenine and G for Guanine). The number of Telomeres varies between 100 and 1000.The function of these telomeres is to prevent the genetic information from being eroded after successive cell divisions. When all the Telomeres have been used up, aging occurs, as there is no longer the supply available to prevent erosion of the genetic material. You can think of the Telomeres as spare parts, used for repair, and when the spare parts run out, the genetic material deteriorates, and the result is old age. It is fascinating to consider that there is an enzyme (catalyst) called Telomerase, which catalyses the synthesis of Telomeres, but in human cells this enzyme is not present. If the enzyme was present you could theoretically have immortal lines.
So Telomeres are the limiting factor in the life span of tissues and responsible for the aging process.

andreas.
kai ean diabainhs dió udatos meta sou eimi kai potamoi ou sugklusousin se kai ean dielqhs dia puros ou mh katakauqhs flox ou katakausei Isaiah 43:2

 


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