Translation initiation Study guides, Class notes & Summaries

messenger RNA (mRNA) is synthesized in what direction and is complementary and antiparallel to which DNA strand (coding or template)? correct answers synthesized in the 5'-->3' direction and is complementary and antiparallel to the DNA template strand. It is identical to the DNA coding strand. How are the basal layer of the epidermis and the innermost lining of the small intestine similar? A. both are nondividing tissues B. both are derived from ectoderm C. both are composed of squamo...

Bs161 final 2024 Exam Questions With Answers In messenger RNA, the protein-coding sequence is present in: Question options: exons. introns. exons and the poly(A) sequence. introns and the poly(A) sequence. - ANSWER exons. Which process produces multiple proteins from the same primary transcript in the same cell? Question options: chromatin remodeling histone modification alternative splicing combinatorial control - ANSWER alternative splicing Alternative splicing allow...

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...

BMS 503 Exam 3 Questions with Correct Answers 100% Verified 2024/2025 What are the 3 major steps of replication, transcription, and translation? - Correct Answer initiation, elongation, termination Bacterial RNA Polymerase - Correct Answer 5 proteins in the core complex that are holoenzymes; 2 alpha: interacts with regulatory proteins; beta: catalytic activity; beta prime: involved in binding and staying bound to DNA; w: stabilizes the complex Sigma Factor - Correct Answer controls the bi...

BIO 1A03 Midterm 2 Questions and Answers Graded A Prokaryotic growth and cell division -nutrient-rich environment -favorable temperatures Housekeeping genes -genes required at all times for normal function -all ways transcribed and translated -allow constant maintance for general cellular activity -e.g. structural protein of a cell, DNA and RNA polymerase, genes coding for ribosomal proteins -constitutive Regulated genes genes that can be turned on and off at a needed basis Francois Jacob and...

Erythromycin (Ans- 50S ribosome, inhibits TRANSLOCATION (movement of tRNA-aa from acceptor site to peptidyl site) clindamycin, chloramphenicol (Ans- 50 ribosome, inhibits PEPTIDYL TRANSFERASE (incorporation of new a.a.'s into growing strand) Linezolid (Ans- 50S protein synthesis inhibitor tetracycline (Ans- 30S ribosome, blocks tRNA-aa from binding to ACCEPTOR SITE on mRNA aminoglycosides (Ans- 30S ribosome, blocks INITIATION of translation and induces PREMATURE TERMINATIO...

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...

karyotyping - number and type of chromosome present Barr body - -condensed inactive X chromosome near nucleus of cell -all females have 1 Barr body nondisjunction - failure of chromosomes to separate during meiosis autosomal nondisjunction - -failure of chromosomes (other than sex chromosomes) to separate during meiosis -exs: trisomy 21, trisomy 18 translocation - portion of one chromosome is transferred to another (usually nonhomologous) abnormal egg (XX) x normal sperm (X) - -...

Central Dogma DNA → RNA → Protein Purines - which bases? - how many rings? Brainpower Read More 0:14 / 0:15 Pyrimidines - which bases? - how many rings? Remember: "Pyrimidine" has a "y" in it; so does "cytosine" and "thymine." Phosphodiester Bond Joins one nucleotide to the next; between the 3rd C of one ribose and the 5th C of the other to create the sugar-phosphate backbone Directionality of DNA (convention) 5' → 3' (but strands are ant...

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...