



please answer all questions with explainations and work 23-24. See the following list of proteins. DNA...
1. Which of these proteins have 3' to 5' exonuclease activity? (A) DNA pol I (B) DNA pol (C) Primase (D) Topoisomerase at kind of mutation is the replacement of a purine-pyrimidine base pair with a pyrimidine- purine base pair, or vice versa? (A) transition mutation (B) insertion (C) transversion mutation (D) missense mutation 3. Whi (A) Tus proteins (B) oriC (C) Ter sites (D) Primosome 4. Which of the following does NOT involve in translesion synthesis in E. coli?...
Which of the following is not Replicating shapes Mad cow disease DNA Toxic proteins inted with prio Bovine spongiform encephalopathy Which statement is true about viroide? They are single-stranded RNA particles They reproduce only outside of the cell c. They produce proteins They affect both plants and animals e. None of the above is true about viroids A bacterium is infected with an exp b. infected with an experimentally constructed bacteriophage composed of the e protein coat and T4 phace...
Question 23 What donut-shaped molecule acts as a vice to secure DNA polymerase attached to the DNA template? A. DNA helicase B. DNA telomerase c. DNA polymerase Proliferating cell nuclear antigen (sliding clamp) E singe stranded DNA-binding protein (RPA) Question 25 What molecule covalently couples tRNA to the appropriate amino acid? A aminoacyl-tRNA synthetase B.TRNA nuclease oc tRNA ligase Daminomethyl proteinase E. ERNA polymerase Question 26 The mechanisms of DNA replication are conserved throughout Eukarya, Bacteria and Archaea. DNA replication...
Please answer all questions. Some are a bit blurry but if you zoom
in you can read them. I need all of these to study. #21 all of the
following are required for polymerase 2 to operate,except
#22 site-specific recombinstion:
ATP h movement can involve either DNA or RNA elements betwees recombining molecules of seguence homology d almost ahways resuts in lethal mutacions 23. Poly-A tal of mRNA a added as soon as the 5 end emerges from the RNA...
1. Answer the following quick Cell Biology questions. (a.)DNA replication is ___________________. a. conservative. b. dispersive c. semiconservative. d. irregular. e. none of the above (b.) Which of the following proteins is observed exclusively in association with eukaryotic DNA replication? a. DNA polymerase I b. DNA gyrase c. single-strand binding proteins d. DNA ligase e. telomerase (c.) Which of the following events is characteristic of DNA replication in prokaryotes but not in eukaryotes (nuclear DNA)? a. DNA synthesis 5'...
Only answers please don’t show work
33) Viral DNA incorporated into host cell DNA is known as a/an A) phage. B) envelope C) capsid. 33) 34) How is transformation in bacteria most A) the creation of a strand of RNA from DNA molecule B) the type of semiconservative by DNA C) the infection of cells by a phage DNA molecule D) the e of a strand of DNA from an RNA molecule E) assimilation of external DNA into a cell...
please answer all parts
106. What process helps compact the DNA in a chromosome? A) anaphase promoting complex B) entry into S-phase of the cell cycle C) removal of the nuclear lamina D) removal of methyl groups from DNA E) histone de-acetylation 107. What does DNA Ligase do? A) removes mismatched nucleotides B) adds complimentary bases to single stranded DNA C) joins the ends of chromosomes together D) forms a phosphodiester covalent bond between adjacent nucleotides E) chews up single...
6:35 5 minutes ago 25) Which of the following turns off transcription by binding to the operator? A) repressons B) lactose C) RNA polymerase D) promoters E) enzymes 25) 26) In bacteria, what name is given to a cluster of genes with related functions, along with their control 26) A) exon B) operon C) promoter D) activator E) regulatory gene A mutant bacterial cell has a defective aminoacyl synthetase that attaches a lysine to tRNAs with the anticodon AAA instead...
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1) All of the following contribute to promoter binding by RNA polymerase I in bacteria except: a)-10 consensus sequence b)-35 consensus sequence c) rho factor d) sigma factor e) none of the above 2) Common structural changes or lesions found in DNA after exposure to ultraviolet light are: a) thymine dimers b) cytosine dimers c) purine dimers d) adenine dimers e) none of the above 3) What is the function of the sigma subunit in the...
answer all the questions
18) A mutation occurs such that a spliceosome cannot remove one of the introns in a gene. What effect will this have on the gene? Translation will continue, but a nonfunctional protein will be made b) Translation will continue and will skip the intron sequence c) It will have no effect; the gene will be transcribed and translated into protein d) Transcription will terminate easily and the protein will not be made 19. During the process...