Which of the following is true about RNA synthesis?a) Synthesis of RNA is always in the 5’ to 3’ directionb) RNA polymerase requires a primer for initiating transcriptionc) U is inserted opposite T in transcriptiond) New nucleotides are added on the 2’-OH of the ribose sugar

Which of the following is true about RNA synthesis?a) Synthesis of RNA is always in the 5’ to 3’ directionb) RNA polymerase requires a primer for initiating transcriptionc) U is inserted opposite T in transcriptiond) New nucleotides are added on the 2’-OH of the ribose sugar

Name: Which of the following is true about RNA synthesis?a) Synthesis of RNA
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Description: Which of the following is true about RNA synthesis?a) Synthesis of RNA is always in the 5’ to 3’ directionb) RNA polymerase requires a primer for initiating transcriptionc) U is inserted opposite T in transcriptiond) New nucleotides are added on the

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter15: Genes And Proteins

Section: Chapter Questions

Problem 3VCQ: Figure 15.16 Many antibiotics inhibit bacterial protein synthesis. For example, tetracycline blocks...

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Which of the following are stages of translation? Select all that apply. ---A tRNA binds to the second codon and its carried amino acid forms a peptide bond with methionine. ---When the ribosome reaches a stop codon, its subunits detach, and the mRNA and new polypeptide are released. ---As the ribosome moves from codon to codon, amino acids brought by successive tRNAs to the ribosome form a growing polypeptide. ---The binding of a tRNA to the third codon causes the ribosome to release the first tRNA and move to the next codon. ---Ribosomal subunits and a tRNA carrying methionine converge on the start codon of an mRNA.
Which of the following statements most accurately describes the action of the enzyme RNA polymerase?Select one 1.) RNA polymerase will transcribe only the exons by skipping over the introns within a eukaryotic gene sequence 2.) RNA polymerase will transcribe both DNA strands, moving in the 3' to 5' direction for one strand and 5' to 3' on the other 3.) RNA polymerase will transcribe both DNA strands, but only one RNA molecule will be used during translation 4.)None of the statements accurately describe the function of RNA polymerase
Which of the following are features of transcription? -there is a direct interaction between nucleotides in the template DNA strand and incoming nucleotides being joined at the growing end of the RNA chain. -the RNA product remains permanently hydrogen-bonded to the template DNA strand. -the RNA being produced is elongated by addition of nucleotides at its 5' end. -the template DNA strand is "read" by RNA polymerase in a 3'-to-5' direction. -the site at which transcription starts is called the replication origin. More than one answer is right Please help me I’m confused
Match the following with the correct nucleic acid. (mRNA, tRNA, rRNA, or All RNA) 1. This molecule is complementary to DNA. 2. This molecule is part of translation. 3. This molecule is part of the ribosome. 4. This molecule contains anticodons. 5. This molecule is esponsible for bringing amino acids to the ribosome. 6. DNA is used as a template to create this type of RNA molecule. 7. This molecule is part of transcription. 8. This molecule contains codons.
Each of the following statements about protein synthesis is false.Correct each to make a true statement. a. In a gene, each nucleotide specifies one amino acid in a protein sequence. b. A transcription factor must bind to the promoter region of a gene before the enzyme DNA synthetase is able to bind and begin transcription. c. The enzyme RNA polymerase builds a strand of transfer RNA, whose codons are complementary to DNA’s triplets. d. Proteins destined for secretion from the cell enter the nucleus after translation, to be folded and modified. e. During translation, amino acids are delivered by the messenger RNA transcrip
Figure 15.16 Many antibiotics inhibit bacterial protein synthesis. For example, tetracycline blocks the A site on the bacterial ribosome, and chloramphenicol blocks peptidyl transfer. What specific effect would you expect each of these antibiotics to have on protein synthesis? Tetracycline would directly affect: tRNA binding to the ribosome ribosome assembly growth of the protein chain Chloramphenicol would directly affect tRNA binding to the ribosome ribosome assembly growth of the protein chain
If an extra nucleotide is inserted in the first exon of the beta globin gene, what effect will it have on the amino acid sequence of the globin polypeptides? Will the globin most likely be fully functional, partly functional, or nonfunctional? Why?
In the gene-coding sequence shown here, which of the following events will produce a frameshift after the last mutational site? a. insertion of an A after the first codon b. deletion of the second codon (AAA) c. insertion of TA after the second codon and deletion of CG in the fourth codon d. deletion of AC in the third codon
if the following DNA sequence were transcribed, which of the following describes the output of this process? 3'- TCTGGACA-5' A. This would produce a protein that looks like 5'- A G A C C U G U -3' B. This would produce a tRNA that looks like 3'- A G AC C U G U -5' C. This would produce an mRNA that looks like this: 5'- A G AC C U G U -3' D. This would produce an mRNA that looks like 3'- U C U G G A CA -5' E. This would produce another strand of DNA that 0ok like 5-AG ACCT GT-3. ..
Given the following stretch of mRNA, what would be the sequence of the corresponding non-template DNA? 5' - UUG-CAA-UCG-CAG-UGC-CGC-AUA-GAU - 3' Group of answer choices 3' - AAC-GTT-AGC-GTC-ACG-GCG-TAT-CTA - 5' 5' - TTG-CAA-TCG-CAG-TGC-CGC-ATA-GAT - 3' 5' - AAC-GTT-AGC-GTC-ACG-GCG-TAT-CTA - 3' 3' - AAC-GUU-AGC-GUC-ACG-GCG-UAU-CUA - 5' 3' - TTG-CAA-TCG-CAG-TGC-CGC-ATA-GAT - 5'
Which of the following statements regarding complementary molecules in transcription is false? Group of answer choices The sense strand is complementary to the template strand The transcribed RNA is complementary to the noncoding strand The coding strand is complementary to the antisense strand The transcribed RNA is complementary to the coding strand
Number the following steps of protein synthesis in the order in which they occur, starting with 1 and ending with 9.a. _____ The stop codon is reached, and the polypeptide is released.b. _____ The small ribosomal subunit finds the start codon, and the large ribosomal subunit joins.c. _____ The end of the gene is reached, and the pre-mRNA is released and then edited.d. _____ The transcription factor binds the promoter.e. _____ The protein is folded and modified to become functional.f. _____ RNA polymerase builds the mRNA transcript.g. _____ mRNA and initiator tRNA bind the small ribosomal subunit.h. _____ New tRNA molecules are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site.i. _____ mRNA exits the nucleus via a nuclear pore.