DECODE The Script of LIFE

  DNA RNA Genes and Chromosom... by AISHA

  Unveiling the Role of Checkpoints in DNA Translation In the intricate process of DNA translation, various checkpoints play a crucial role in ensuring accuracy and efficiency. These checkpoints act as gatekeepers, overseeing each step of the translation process to prevent errors that could potentially lead to detrimental consequences. Let's delve deeper into the significance of checkpoints in DNA translation. Understanding DNA Translation Before we explore the role of checkpoints, let's first understand the process of DNA translation. DNA translation is a fundamental process in biology where the genetic information encoded in DNA is translated into functional proteins. This process occurs in the ribosomes, with the help of transfer RNA (tRNA) molecules that carry amino acids and messenger RNA (mRNA) molecules that serve as a template for protein synthesis. The Importance of Checkpoints Checkpoints in DNA translation act as control mechanisms to ensure that each step of the pro...

 

 Introduction to Molecular Biology Cells are fundamental building blocks of living organisms. Cells contain a nucleus, mitochondria and chloroplasts, endoplasmic reticulum, ribosomes, vacuoles, etc.  The nucleus is important organelle because it houses chromosomes which include the DNA.  The DNA is in essence a blueprint of the organism as it encodes information needed to synthesize proteins . Molecular biologist s would like to understand how human biology works with the hope to treat diseases like cancer. One can look at simpler organisms such as yeasts to understand how human biology works.  Admittedly, unicellular yeasts are very different from humans who have approximately 1014 cells. However, the DNA is similar across all living organisms. For example, humans share 99% of DNA with chimps. Naturally, we would like to know what information contained in that 1% of DNA is so critical to determine all the distinguishing features of humans,  DNA   ...

Bioinformatics Bioinformatics is a fascinating field that bridges biology, computer science, and mathematics . History :                 The term “bioinformatics” was coined in 1970 by Paulien Hogeweg and Ben Hesper. Initially, it focused on information processes in biotic systems, running parallel to biochemistry. Explosive growth occurred in the mid-1990s, driven by the Human Genome Project and advances in DNA sequencing technology .                           Let’s delve into it:                                                                         Definition: "Bioinformatics...

 T he discovery of DNA was one of the most significant findings in the field of science. Today, deeper insight into the DNA structure has unravelled answers to questions that have been around for eons. The Central dogma explains how the DNA codes for the proteins which proceed in three stages, namely, replication, transcription and translation. Once DNA replicates its two strands, the information is copied into RNA by the process called transcription. Let’s learn more about the process of transcription. Table of Contents Definition Explanation RNA Polymerase Stages Initiation Elongation Termination Processing Transcription Definition “Transcription is the first step of gene expression that involves the formation of RNA molecucle from DNA.” What is Transcription? It is one of the first processes in gene expression. The genetic information flows from DNA to protein and this flow of information takes place in a sequential process of transcription and translation. Only one strand of DN...