Nuclear mRNA Transport
Nuclear mRNA Transport 1. Which of the following proteins is involved in the processing of hnRNA in the nucleus?A. Cap-binding […]
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UNIT 2
RNA Processing
RNA Processing (1) 5′ capping (2) 3′ cleavage and polyadenylation (3) Splicing and RNA editing. (A) 5′ Capping (B) 3′
Eukaryotic transcription
Eukaryotic transcription I. Pre initiation complex II. Promoter melting and open complex formation III. Abortive initiation IV. Promoter escape V.
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Transcription in prokaryotes
Transcription in prokaryotes Initiation, 2. Elongation: 3. Termination: Rho independent or RNA based: Rho dependent or protein-based: Initiation Stage RNA
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TRANSCRIPTION
TRANSCRIPTION RNA polymerase-I or A: RNA polymerase-II or B: RNA polymerase-III or C: Promoters for RNA Polymerase II The transcription
DAMAGE AND REPAIR
DAMAGE AND REPAIR Introduction to DNA Damage and Repair: DAMAGE Types of Damage: Damage to DNA includes any deviation from
REPLICATION
REPLICATION Semi-conservative replication of Chromosomes in eukaryotes: Theoretically, there may be following three possible modes of DNA replication: Semiconservative mode
A, B and Z forms
A, B and Z forms Right handed DNA 1. ‘A’-DNA 2. B’-DNA or Right handed DNA 3. ‘C’-DNA and ‘D’-DNA
DNA STRUCTURE
DNA STRUCTURE DNA STRUCTURE – Biochemical composition of DNA (1) A pentose sugar -the 5 carbon deoxyribose sugar (2) 2.
NUCLEOSOME ORGANIZATION
NUCLEOSOME ORGANIZATION Important points of this model are as follows: SOLENOID MODEL: Ubiquitination, acetylation, methylation and phosphorylation of histones in
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