Translation elongation Samenvattingen, Notities en Examens

The polarity of doubled-stranded DNA arises from A. negative charges on the backbone phosphates B. the presence of 5' phosphates on one end and 3' hydroxyls on the other C. base pairing D. the sequence of bases, which is strand-specific - Answer- B A missense mutation is one in which A.the altered codon codes for the same amino acid. B.the altered codon codes for a different amino acid. C.the mutant protein is shorter than normal. D.insertion or deletion results in a shift in t...

Mastering Biology 9 TRNAs Questions and answers Where does translation take place? a) Endoplasmic reticulum b) Ribosome c) Golgi apparatus d) Nucleus b) Ribosome Which nucleic acid is translated to make a protein? a) DNA b) rRNA c) tRNA d) mRNA d) mRNA Which of the following processes is an example of a post-translational modification? a) Initiation b) Peptide bond formation c) Phosphorylation d) Elongation c) Phosphorylation

main features of the genetic code - Answer-61 codons for 20 amino acids three codons do not code for any amino acids each codon codes for only one amino acid (unambiguous and specific) some amino acids are coded for by more than one codon (degenerate) use a codon table - Answer-practice steps of transcription - Answer-initiation elongation termination initiation - Answer-rna polymerase binds to the promoter eukaryotes require - Answer-transcription factor proteins elongation - Answer-R...

BIO 111 FINAL EXAM QUESTIONS AND ANSWERS LATEST 2024/2025 (100% CORRECT) What is the first mRNA processing step? - ANSWER 5' capping Different mRNAs are made from the same initial pre-mRNA by ________. - ANSWER alternative splicing RNA transcription begins at a ________. - ANSWER promoter ________ protect(s) the pre-mRNA molecule. - ANSWER the 3' poly-a tail The process of pre-mRNA splicing removes ________. - ANSWER introns Spliced ________ differ in their exons. - ANSWER mRNAs Identif...

Microbiology Practice Exam 1 Ch. 1-5 Questions & Answers 2024 Which one of the following statement(s) apply to hydrogen bonds? A) They form between water molecules. B) They involve H and O atoms. C) They are important in the formation of proteins and nucleic acids. D) All of the above - ANSWER-D. all the above Fungi, protozoa, and algae are prokaryotes A) True B) False - ANSWER-B. false The process of translation occurs in three different stages, chain initiation, chain elo...

BIO 111 TAMU Fletcher Exam 3 Already Graded A Friedrich Miescher discovered DNA in 1869 But did not know (Isolated phosphate) rich acidic compounds Frederick Griffith Discovered transformation during an experiment that involved injecting mice with smooth S cells, rough R cells, heat-killed S cells, and heat-killed S cells with living R cells. Avery, MacLeod, McCarty Identified the heritable substance as DNA Used test tubes- vitro Hershey and Chase performed experiments showing that DNA is the...

Bio 101 Test Questions with Complete Solutions Central Dogma of Biology - Answer-DNA-transcription-RNA-translation-protein transcription - Answer-the process of copying out the DNA sequence of a gene in the similar alphabet of RNA. Steps of Transcription (mRNA synthesis) - Answer-1. Initiation 2. Elongation 3. Termination In depth explanation of translation - Answer-Initiation of Translation Protein synthesis begins with the formation of an initiation complex. In E. coli, this comp...

IB Biology - Unit 7 - Nucleic Acids HL 100% Solved Antiparallel strands DNA is anti-parellel, meaning the strands run in opposite directions to each other. If one has a 3' at the top the other has a 3' at the bottom, Purines Adenine and Guanine. Pyrimidines Cytosine, Thymine and Uracil Nucleosomes Used for packing DNA, made up of a length of DNA around a group of 8 histones Supercoiling of DNA Winding of DNA strands, this can reduce the size of DNA by 10000x, using nucleos...

MCDB Exam 3 Questions & Answers 2023/2024 Termination: replication - ANSWER-DNA ligase and topo 2 in bacteria ultimately termination site on chromosome (reaches end of circular DNA or ends of linear DNA) Termination: transcription - ANSWER-Ecoli: mRNA has hairpin followed by string of Us Eukaryotes: AAUAAA, then endonuclease cleaves and adds poly A HDAC - ANSWER-Histone de-acetylases -turn off transcription -condense chromatin HAT - ANSWER-histone acetyl transferases -turn on...

BIOL200 SimUText questions with Complete Solutions what is the function of a gene? to contain information for building specific cellular products what proteins are encoded by genes? proteins that maintain cell membranes proteins that help convert sugar to energy protein channels that allow molecules in and out of cells When cells make proteins, is the gene in the DNA destroyed or used up in the process? No, the information in DNA is copied into a molecule of RNA How are DNA, RNA and polypepti...