E) a signal sequence of RNA that precedes the start codon of the message. B 56) When does translation begin in prokaryotic cells? Choose the one alternative that best completes the statem 1408%20Unit%203%20Study%20Guide%20Campbell%208th 25 pages Section 0507 Topic Chemistry 5 8 Chapter 05 Dynamic Activities of Cells 17 This Lone Star College System BIOLOGY B) The nearby stem end will pair improperly. E) Different organisms have different numbers of different types of amino acids.Answer: A77) The "universal" genetic code is now known to have exceptions.
The conflict-handling intention of avoiding is ________. A) RNA polymerase transcribes through the polyadenylation signal, causing proteins to associate with the transcript and cut it free from the polymerase. I was thinking B because it isn't until several transcription factors have bound to the promoter. b. http://www.easynotecards.com/notecard_set/7775
E) different organisms have the same number of different types of amino acids. A 16) The "universal" genetic code is now known to have exceptions. Answer Questions Explain why organ systems that regulate or control other body systems are important? C)the DNA have separated and exposed the promoter. It never codes for more than one amino acid.
A) covalent bonding between sulfur atoms B) ionic bonding between phosphates C) hydrogen bonding between base pairs D) van der Waals interactions between hydrogen atoms E) peptide bonding between amino acidsAnswer: E) The molecule attaches to a ribosome and is translated, but more slowly.Answer: D24Use the following model of a eukaryotic transcript to answer the next few questions. 5' UTR E₁ I₁ Yes No Sorry, something has gone wrong. The Lactose Operon Is Likely To Be Transcribed When C) 5' AUG-CTG-CAG-TAT 3'.
Which are these? Codons are three-base sequences that specify the addition of a single amino acid. A) a deletion of a codon B) a deletion of two nucleotides C) a substitution of the third nucleotide in an ACC codon D) a substitution of the first nucleotide of D) the DNA introns are removed from the template.
B) the rules for base pairing between the third base of a codon and tRNA are flexible. If A Newly Made Polypeptide Is To Be Secreted From A Cell, What Must Occur Before It Is Secreted? B) they protect the mRNA from degeneration. several transcription factors have bound to the promoter. B) It might exchange one stop codon for another stop codon.
E) none of the options will occur; the cell will recognize the error and destroy the tRNA.Answer: B3333) There are 61 mRNA codons that specify an amino acid, but only 45 click to read more E) It terminates in a manner similar to bacteria.Answer: C5757) In comparing DNA replication with RNA transcription in the same cell, which of the following is true only of replication? Which Of The Following Molecules Are Produced By Transcription? Why do we test for its ability to induce mutation? Which Of The Following Best Describes The Significance Of The Tata Box In Eukaryotic Promoters? C) 5' TCA 3'.
How many artificial mRNA 3 nucleotide codons would be possible? C) the cell will compensate for the defect by attaching phenylalanine to tRNAs with lysine-specifying anticodons. D) GTP supplies phosphates and energy to make ATP from ADP. E) is due to the presence or absence of particular snRNPs.Answer: B2222) In the structural organization of many eukaryotic genes, individual exons may be related to which of the following? Which Of The Following Occurs In Prokaryotes But Not In Eukaryotes?
A) UGG B) GUG C) GUA D) UUC E) CAU B 46) The tRNA shown in Figure 17.4 has its 3' end projecting beyond its 5' end. A) groups of ribosomes reading a single mRNA simultaneously B) ribosomes containing more than two subunits C) multiple copies of ribosomes associated with giant chromosomes D) aggregations of vesicles containing ribosomal For more help, see our troubleshooting page. Evidence for this can be found if which of the following is true?
A) RNA polymerase transcribes through the polyadenylation signal, causing proteins to associate with the transcript and cut it free from the polymerase. Once Transcribed, Eukaryotic Mrna Typically Undergoes Substantial Alteration That Includes How many artificial mRNA 3 nucleotide codons would be possible? Share this set Share on Facebook Share on Twitter Share on Google Classroom Send Email Short URL List Scores Info Like this study set?
A) minimal medium B) minimal medium supplemented with nutrient A only C) minimal medium supplemented with nutrient B only D) minimal medium supplemented with nutrient C only E) minimal medium supplemented What factors influence accuracy in translation 19. B) Removal of the 5' UTR also removes the 5' cap and the mRNA will quickly degrade. Which Of The Following Molecules Are Not Required To Express A Gene In Eukaryotic Cells? This results in A) a base-pair substitution.
A) 3 B) 4 C) 8 D) 16 E) 64Answer: C75The enzyme polynucleotide phosphorylase randomly assembles nucleotides into a polynucleotide polymer. 75) You add polynucleotide phosphorylase to a solution of ATP, Most of these subunits are the same for the transcription of any gene, but one, known as sigma, varies considerably. e. B) None of these is correct.
B) We want to make sure that it does not emit radiation. E) metabolic enzymes require vitamin cofactors, and affected individuals have significant nutritional deficiencies. C LOOK AT FIGURE 2) According to Beadle and Tatum's hypothesis, how many genes are D) mRNA processing has been completed. A) minimal medium B) minimal medium supplemented with "A" only C) minimal medium supplemented with "B" only D) minimal medium supplemented with "C" only E) minimal medium supplemented with nutrients "A"
Click here for help. We can’t access your microphone! B) a nucleotide mismatch. What is an anticodon and where is it found? A) translating polypeptides directly from DNA B) using fewer kinds of tRNA C) having only one stop codon D) lengthening the half-life of mRNA E) having a second codon (besides AUG)
B) shape of the A and P sites of ribosomes. D) changeable, depending on the amino acid that attaches to the tRNA. D) It is a sequence that codes for the hydrolysis of the RNA polymerase. Member Posts: 5356 Karma: +1/-0 Re: In eukaryotic cells, transcription cannot begin until _____. « Reply #1 on: August 25, 2015, 04:23:02 PM » Answer: B Logged Alicha Jr.
A) the number of hydrogen bonds between A and T in DNA B) the triplet nature of the codon C) the ability of this sequence to bind to the start site Two of them can correctly match the mRNA so that a dipeptide can form. 69) The dipeptide that will form will be A) cysteine-alanine. In eukaryotic cells, transcription cannot begin until a. E) RNA polymerase transcribes through a stop codon, causing the polymerase to stop advancing through the gene and release the mRNA. A 21) RNA polymerase moves in which
E) there are termination exons near the beginning of mRNA.Answer: A2020) During splicing, which molecular component of the spliceosome catalyzes the excision reaction?