Cmb2001 - Study guides, Class notes & Summaries

CMB2001 - 9 EXAM QUESTIONS WITH VERIFIED ANSWERS...

how many proteins are in small subunit of the 70S ribosome ~~> 21 how many proteins are in small subunit of the 80S ribosome ~~> 33 how many proteins are in large subunit of the 70S ribosome ~~> 31 how many proteins are in large subunit of the 80S ribosome ~~> 50 23S and 5S rRNA make up the large subunit of the ribosome in ...... ~~> prokaryotes 28S, 5.8S and 5S rRNA make up the large subunit of the ribosome in ...... 2 | P a g e | © copyright 2024/2025 | Grade A+...

Consensus sequences are described with IUPAC ambiguous nucleotide codes. What is a promoter? ~~> DNA sequence which RNA polymerase can bind to and transcribe the protein Prokaryotic promoters ~~> TATAAT -(10 region) 'Pribnow box' TTGACA - (-35 region) - two consensus sequences Prokaryotic RNA polymerase ~~> 1 RNA Polymerase makes all 3 kinds of RNA Composed of 5 subunits, four comprise the core enzyme What is the core enzyme? 2 | P a g e | © copyright 2024/2025 | Gr...

Consensus sequences are described with IUPAC ambiguous nucleotide codes. W is A or T S is G or C R is G or A Y is T or C What is the span of the core/basal region of the eukaryotic promoter? ~~> -30 to +30nt What elements are in the core region of the eukaryotic promoter? ~~> TATA box Inr (initiator) DPE (downstream promoter element) BRE (TFIIB recognition element) 2 | P a g e | © copyright 2024/2025 | Grade A+ Master01 | September, 2024/2025 | Latest update Describe th...

CMB2001 L01 EXAM QUESTIONS WITH 100% CORRECT ANSWERS...

CMB2001 Exam Questions With Verified Answers Why does RNA degradation take place? - answerDamaged mRNA Incorrectly transcribed/processed mRNA Control gene expression What 2 things control mRNA levels? - answerTranscription and turnover Why is turnover important? - answerIf mRNA has a ridiculously long half life and doesn't go away, then if you stop transcription you don't stop protein expression because the mRNA is still there Describe what casein mRNA is and explain the importance of...

What is a pathogen? ~~> A microorganism that causes disease e.g. bacteria, fungi, virus, parasite For an effective immune response the immune system must... ~~> - be able to recognise and respond to any invading organism - not over react to benign or self - be able to direct different effector mechanisms against different pathogens What is specific/adaptive immunity? ~~> - it is induced by exposure to a particular infection - shows a high degree of specificity - exhib...