Bacterial rna polymerase - Study guides, Class notes & Summaries

BIOL 2120 Chapter 17 Pre-Test Exam Questions With Correct Answers. Which of the following features is a significant difference in the function of DNA polymerases versus RNA polymerases? See Section 17.1 - CORRECT ANSWER RNA polymerase does not require a primer to add new nucleotides. What is the function of the sigma subunit of RNA polymerase in bacterial transcription? See Section 17.1 - CORRECT ANSWER Sigma is the portion of the enzyme that recognizes specific sequences in the promoter...

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...

Biology 1M03 Final Exam Practice Questions And Answers Interpret this statement: Extinct fossil species are typically succeeded by similar living species - ANS Extinct and living forms represent ancestors and descendants Which is an example of developmental homology a) gene content b) similar organismal structures c)vestigial traits d) similar embryonic traits - ANS d) Which is not one of Darwin's 4 Postulates: a) Individuals in a population vary in their traits b) These...

BIO 205 Exam Questions With 100% Correct Answers Nucleoid is a region/structure found only in ____ cells. a) prokaryotic b) eukaryotic c) bacterial d) Both A and C Prokaryotic/bacterial A plasmid is double-stranded DNA. True or false? True A plasmid-gene or a chromosomal-gene (piece of DNA with a specific product) will always produce a________. a) carbohydrate b) ATP c) Protein d) Lipid Protein DNA polymerase is a(n) a) lipid b) polysaccharide c) enzyme d) nucelic ...

how is a consensus sequence determined? through the analyses and comparisons of the most common classes of bacterial promoters what is the function of a consensus sequence? recognized by RNA polymerase as a binding site define the numbering system which is used to identify regions such as the -10 and -35 regions by convention, the DNA base pairs that correspond to the beginning of an RNA molecule are given positive numbers, and those preceding the RNA start site are given negative numbers.

Biochemistry Exam 3 Practice Tests 225 Questions with Verified Answers The complementary strand for the sequence 5' GCACTTCG 3' is - CORRECT ANSWER 5' CGAAGTGC 3' Polysomes...? (a) contain multiple mRNA's (b) contain multiple DNA's (c) contain multiple ribosomes (d) contain multiple RNA polymerases (e) a and c - CORRECT ANSWER (c) contain multiple ribosomes "Multiple ribosomes initiate on a SINGLE mRNA Polyribosomes or polysomes"- Ch 7 Proliferating cell nuclear ...

Chromosomes CORRECT ANSWER a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. Plasmids CORRECT ANSWER small circular DNA molecules that replicate separately from the bacterial chromosome Eukaryotic genomes are _____% contained in nuclear chromosomes and _____% extra nuclear DNA CORRECT ANSWER 95% & 5% replicaiton steps CORRECT ANSWER 1.Remove proteins 2.Unwind and separate template strands e...

BTECH Review Exam 2 Questions & Answers 2024/2025 what applies to bacteriophages? - ANSWERSBacteriophages recognize molecules on bacterial surface to infect All phages use the hosts replication machinery to some extent Most phages have narrow host range Bacteriophage genomes can be RNA, but mostly DNA In vitro transcription of the SARS-2 spike gene makes use of the __________ - ANSWERST7 gp10 promoter The antirestriction protein of T7: - ANSWERSprotects T7 DNA from bacterial...

Fundamentals of Molecular Virology 2nd Edition by Acheson TEST BANK Package Title: Testbank Course Title: Acheson 2nd edition Chapter Number: 01 Question type: Multiple Choice 1) Which of the following is an enzyme that most RNA viruses encode in their genome? a) DNA-dependent-RNA-polymerase b) RNA-dependent-RNA-polymerase c) DNA-dependent-DNA-polymerase d) DNA-dependent-RNA-polymerase e) RNA-dependent-protein-synthetase Answer: b 2) Which of the following terms describes the prote...

Microbiology Test 3- Dr. Al Latest Update Graded A+ Genetics the study of what genes are, how they carry information, how information is expressed, and how genes are replicated Chromosome structure containing DNA that physically carries hereditary information; the chromosomes contain the genes Genome all the genetic information in a cell Genomics the molecular study of genomes Genotype the genes of an organism Phenotype expression of the genes Gene a sequence of nucleot...