Biochemistry of RNA Flashcards
What type of bonding is present in RNA?
Intramolecular bonding (within)
What is the shape of RNA structure like?
Stem-Looped
Name the X3 Types of RNA
mRNA, tRNA and rRNA
What is mRNA
- Messenger RNA
- Mature RNA Transcript formed from Transcription and Splicing
- Carries genetic info to ribosome to be Translated
What is rRNA?
- Ribosomal RNA
- Proteins + rRNA forms Ribosomes
What is tRNA?
- Transfer RNA
- Matches complementary anticodons to codons of mRNA
- Combines Amino acids via Peptide links
What are Intermolecular and Intramolecular forces?
Intramolecular-Forces between atoms within a molecule
Intermolecular forces- between two groups
Describe the RNA Polymerase binding stage in Transcription.
-RNA Polymerase enzymes detects ‘Promotor’ sites where DNA Synthesis occurs.
What does RNA Polymerase enzyme require?
Transcription Factors-proteins that can bind to DNA and Initiate or Inhibit Transcription
Give an Example of a Transcription Factor
-TATA Box-promotor
What does DNA polymerase do in Transcription?
-Unzips DNA double helix
What is Transcription Elongation?
Adding of more nucleotides to RNA strand being formed
What is the name for the final stage of DNA Transcription?
- Termination
- Release of finished RNA from cytoplasm
What are the two domains of Transcription Factors?
- DNA Binding
- Transcriptional Activation
What is Gene Expression?
-Conversion of DNA into a functional product.