WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 5, Problem 6MC
Summary Introduction
Introduction:
RNA polymerase is the enzyme that makes RNA using the DNA as a template.
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The binding of ________ is required for transcription to start. a. a protein b. DNA polymerase c. RNA polymerase d. a transcription factor
Transcription is similar to DNA replication because both processes_______ . a. use the same enzyme b. copy both strands c. require the same nucleotides d. proceed in the 5′ to 3′ direction
Tightly coiled DNA is ________.
a.
known as hypermethylated
b.
translationally regulated
c.
transcriptionally inactive
Chapter 5 Solutions
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
Ch. 5 - Prob. 1SACh. 5 - Prob. 2SACh. 5 - Prob. 3SACh. 5 - Prob. 4SACh. 5 - Prob. 5SACh. 5 - Prob. 6SACh. 5 - Prob. 7SACh. 5 - Prob. 8SACh. 5 - Prob. 9SACh. 5 - Prob. 10SA
Ch. 5 - Prob. 11SACh. 5 - Prob. 12SACh. 5 - Prob. 13SACh. 5 - Prob. 14SACh. 5 - Prob. 15SACh. 5 - Prob. 1MCCh. 5 - Prob. 2MCCh. 5 - Prob. 3MCCh. 5 - Prob. 4MCCh. 5 - Prob. 5MCCh. 5 - Prob. 6MCCh. 5 - Prob. 7MCCh. 5 - Prob. 8MCCh. 5 - Prob. 9MCCh. 5 - Prob. 10MCCh. 5 - Prob. 11MCCh. 5 - Prob. 12MCCh. 5 - Prob. 13MCCh. 5 - Prob. 14MCCh. 5 - Prob. 15MCCh. 5 - Prob. 16MCCh. 5 - Prob. 17MC
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- Energy that drives transcription is provided mainly by_____ . a. ATP c. GTP b. RNA nucleotides d. RNA polymerasearrow_forward8) Which of these describes the function of RNA polymerase? A. Amplifies the “message" by making multiple copies of an mRNA molecule after it has been transcribed from DNA B. Converts a protein sequence to mRNAarrow_forwardProteins that influence RNA synthesis by binding directly to DNA are called_____ . a. promoters c. operators b. transcription factors d. enhancersarrow_forward
- Transcription factors a. help the RNA polymerase bind DNA b. are involved in chromatin remodeling, uncoil the DNA c. modulate transcription from the distance d. add the 5’ CAP to the RNAarrow_forwardDuring elongation (in transcription), RNA polymerase has three prominent channels, or grooves. These channels provide sites for all of the following EXCEPT ___. A. A site for the entry of RNA nucleotides B. A site for the growing RNA strand to exit C. A site for the double-stranded DNA molecule it is transcribing D. A site for the entry of amino acidsarrow_forwardA mutant DNA strand was transcribed then translated to proteins. a. What is the protein product of the mutant DNA strand? The sequence of the mutant strand is shown below: 5'-TGCCATAACTGTTCGTACTGGCAAATTGCC-3' 3'-ACGGTATTGACAAGCATGACCGTTTAACGG-5' b. The mutation altered the sequence of the wild type template DNA such that a degenerate codon for a basic amino acid in the wild type was converted to a non-degenerate codon resulting in the sequence for the mutant strand shown. What was the original amino acid? c. Compare the charges and pl of the mutant peptide and the normal (wild- type) peptide at physiological pH?arrow_forward
- The main function of a DNA molecule is to______ . a. store heritable information b. carry a translatable message c. form peptide bonds between amino acidsarrow_forwardA promoter is ________.a. a specific sequence of DNA nucleotidesb. a specific sequence of RNA nucleotidesc. a protein that binds to DNAd. an enzyme that synthesizes RNAarrow_forwardIn RNA, ___________ pairs with adenine. A.Group of answer choices cytosine guanine thymine uracil B.The main differences between introns and exon is Group of answer choices Exons code for amino acids and Introns do not Introns code for RNA and exons code for DNA Introns code for amino acids and exons do not Introns enter the nucleus and exons leave the nucleusarrow_forward
- RNA can be used as a template for the production of DNA through the action of ____. a. ligase b. DNA polymerase c. reverse transcriptase d. restriction endonuclease e. RNA polymerasearrow_forward_____ is the combination of a seat, elation, another modifications to the histones that allow for changes in DNA winding and unwinding a. Epigentics b. Histone code c. Heterochromatin d. Post translational modificationsarrow_forwardI. RNA polymerase binds to the promoter and the DNA unwinds. II. RNA polymerase moves along the DNA template and will synthesize mRNA. III. General transcription factors arrive and recruit RNA polymerase to the promoter. IV. The newly synthesized mRNA is processed and exported from the nucleus. Which of the following sequences shows the correct order for overall events of transcription? A. I, II, III, IV B. I, III, II, IV C. III, II, I, IV D. III, I, II, IVarrow_forward
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