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Molecular biology

Molecular biology is a definite branch of biology which deals with the study of the molecular basis of biological activity, including the structure and function of DNA, RNA, and proteins. It is a rapidly growing field that has revolutionized our understanding of genetics, cell biology, and biochemistry.

Transcriptional unit and mechanism of transcription in prokaryotes

Transcriptional unit and mechanism of transcription in prokaryotes

September 4, 2023 Projjol 0

Transcription The process of formation of RNA (Ribonucleic Acid) from DNA (Deoxyribonucleic Acid) is called transcription. Transcriptional Unit A transcriptional unit is a sequence of specific nucleotides […]

Translation | Translation (protein synthesis) in prokaryotes | Post translation modification

Translation | Translation (protein synthesis) in prokaryotes | Post translation modification

May 27, 2023 Projjol 0

Prokaryotic translation (protein synthesis) Translation In molecular biology and genetics the term translation in broadly is the gradual process of synthesis of protein from RNA (tRNA and mRNA) where ribosomes in the cytoplasm are […]

Operon model | Lac Operon (Lactose Operon) | Trp Operon (Tryptophan Operon)

Operon model | Lac Operon (Lactose Operon) | Trp Operon (Tryptophan Operon)

March 19, 2023 Projjol 0

Operon system An operon system is a genetic regulatory system found in bacteria which regulates and expresses the bacterial gene. It allows proteins synthesis to be controlled […]

Characteristics, functions and types of RNA (ribonucleic acid)

Characteristics, functions and types of RNA (ribonucleic acid)

March 15, 2023 Projjol 0

Characteristics of RNA  > Like DNA (or deoxyribonucleic acid), RNA (or ribonucleic acid) is also a type of nucleic acid. > RNA is also made up of polynucleotide chain (i.e., […]

Why DNA is considered as genetic material? | Criteria of genetic material | Class 12 biology ch 6

Why DNA is considered as genetic material? | Criteria of genetic material | Class 12 biology ch 6

March 12, 2023 Projjol 0

RNA (or ribonucleic acid) RNA (or ribonucleic acid) is a single stranded structure which consists of uracil as a nitrogenous base instead of thymine and […]

General characteristics and types of DNA | Chargaff's rule | Central dogma

General characteristics and types of DNA | Chargaff’s rule | Central dogma theory

March 12, 2023 Projjol 0

General characteristics of DNA: 1. DNA (or Deoxyribonucleic Acid) is a long polymer of deoxyribonucleotides. 2. The number of nucleotides present in a DNA determines the length […]

Class 12 biology chapter 6 | DNA double helix structure | Polynucleotide chain

Class 12 biology chapter 6 | DNA double helix structure | Polynucleotide chain

March 10, 2023 Projjol 0

Double Helix Structure of DNA (Watson and Crick model of DNA) The salient features of the Double-helical DNA structure proposed by James Watson and Francis […]

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