Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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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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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
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 proteins
Chapter 15 Solutions
Biology: The Unity and Diversity of Life
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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- _________________ helps create a strand of mRNA by using DNA as a template. a. RNA polymerase b. DNA polymerase c. Helicase d. Serinearrow_forwardIn _____________, 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_forward
- The enzyme ________ separates the TWO DNA strands of the double helix. a. helicase b. ligase c. polymerasearrow_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
- Which 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_forwardRNA polymerase binds to a _________ to initiate _________. a. mRNA; translation b. promoter; transcription c. primer; transcription d. transcription factor; translationarrow_forward
- Ribosomes are often the target of antibiotics used to control bacterial infections. Despite also containing ribosomes, eukaryotic cells are unaffected by antibiotics because of _____________________ A. Eukaryotic cells' ability to avoid uptake of antibiotics B. Structural differences between eukaryotic and prokaryotic ribosomes C. The nuclear envelope that protects the ribosomes from antibiotics D. Functional differences between eukaryotic and prokaryotic ribosomesarrow_forwardBelow is a segment of RNA, transcribed from a DNA sequence. Use the codonchart to help answer the questions below. 5’ AUG/CCU/ACG/GAC/UGG/CCU 3’ a. What polypeptide would be generated by this sequence? b. The RNA is mutated to: 5’ AUGCCCACGGACUGGCCU 3’. What type of mutationhas occurred? Show the new polypeptide chain. c. The RNA is mutated to: 5’ AUGCCUACGGACGGGCCU 3’. What type of mutationhas occurred? Show the new polypeptide chain. d. The RNA is mutated to: 5’ AUGCCUACGGACUGACCU 3’. What type of mutationhas occurred? Show the new polypeptide chain.arrow_forwardDuring transcription, ___________________. 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_forward
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