Structure and Role of tRNA
Structure and Role of tRNA Structure and Role of tRNA 1. Primary Structure of tRNA These modifications are critical for […]
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M.Sc. Pre Botany
M.Sc. Pre Botany
Mechanism of Translation, Initiation, Elongation and Termination
Mechanism of Translation, Initiation, Elongation and Termination Formation of Aminoacyl tRNA a) Activation of amino acid AA + ATP –ENZYME-
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RIBOSOME site of protein synthesis
RIBOSOME site of protein synthesis OCCURRENCE: Number: Structure: Ultrastructure of Ribosomes Types of Ribosomes 70S ribosomes: 80S ribosomes: Polyribosomes or
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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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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