Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 15, Problem 3SQ
Summary Introduction
Introduction: Reverse transcription is a process in which DNA is synthesized using a single-stranded RNA as a template. This reaction is catalyzed by the enzyme reverse transcriptase, and the DNA so synthesized is called as the complimentary DNA (cDNA). Reverse transcription occurs mainly in retroviruses that have an RNA genome. Reverse transcriptase has been used in many applications in molecular biology.
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Reverse transcriptase assembles a(n)_____ on a(n)_____ template. a. mRNA; DNA c. DNA; ribosome b. cDNA; mRNA d. protein; mRNA
Transfer RNA ____________________.
a. Carries amino acids to the ribosome
b. Carries information from the DNA to the ribosome
c. Helps make up the ribosome
d. Carries oxygen to cells
Prokaryotic transcripts are _____________ since several proteins can be produced from one mRNA.
a. polycistronic
b. monocistronic
c. tricistronic
d. bicistronic
Chapter 15 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 15 - Enhanced Spatial Learning Ability in Mice...Ch. 15 - Enhanced Spatial Learning Ability in Mice...Ch. 15 - Prob. 3DAACh. 15 - Prob. 4DAACh. 15 - _________ cut(s) DNA molecules at specific sites....Ch. 15 - Prob. 2SQCh. 15 - Prob. 3SQCh. 15 - For each species, all ________ in the complete set...Ch. 15 - A set of cells that host various DNA fragments...Ch. 15 - Prob. 6SQ
Ch. 15 - Prob. 7SQCh. 15 - Prob. 8SQCh. 15 - Prob. 9SQCh. 15 - Prob. 10SQCh. 15 - A transgenic organism _______. a. carries a gene...Ch. 15 - True or false? Some transgenic organisms can pass...Ch. 15 - Taq polymerase is used for PCR because it _______....Ch. 15 - _____ can correct a genetic defect in an...Ch. 15 - Match each term with the most suitable...Ch. 15 - Match the method with the appropriate enzyme....Ch. 15 - Prob. 1CTCh. 15 - Restriction enzymes in bacterial cytoplasm cut...Ch. 15 - The results of a paternity test using short tandem...
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- During translation, __________________. a. A cell divides to make 2 new cells b. A cell divides to make 4 new cells c. DNA is used as a template to create mRNA d. mRNA, rRNA, and tRNA work together to make proteinsarrow_forwardChoose the combination of answers that most accurately completes the statement.The function of ligase is to a. rejoin segments of DNA c. synthesize cDNA b. make longitudinal cuts in DNA d. break down ligamentsarrow_forward_________________ helps create a strand of mRNA by using DNA as a template. a. RNA polymerase b. DNA polymerase c. Helicase d. Serinearrow_forward
- In _____________, a bacteriophage may accidentally package random bacterial DNA and move it into a new recipient bacterial cell. Select one: a.conjugation b.transduction c.transcription d.transformation e.replicationarrow_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_forwardThe enzyme ________ separates the TWO DNA strands of the double helix. a. helicase b. ligase c. polymerasearrow_forward
- Messenger RNA is formed by ________ of a gene on the DNAtemplate strand.a. transcription b. replication c. translation d. transformationarrow_forwardRibosomal RNA ____________________. a. Carries amino acids to the ribosome b. Carries information from the DNA to the ribosome c. Helps make up the ribosome d. Carries oxygen to cellsarrow_forwardRNA splicing removes ________ from the RNA transcript. a. exons b. axons c. intronsarrow_forward
- In 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_forwardWhich molecule contains the genetic code? A. rDNA B. rRNA C.Ribosome D. mRNA E. tRNAarrow_forwardUse the following information to answer the next two questions.A DNA antisense strand contains the following nucleotide base sequence:CGA TTT GGT TGAFrom this, what is the nucleotide sequence of the mRNA strand that is transcribed? a. AUG CCC UUG GUC b. CGT AAA CCA ACT c. AUC GGG UUG GUC d. GCU AAA CCA ACUarrow_forward
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