EP HUMAN BIOLOGY-MODIFIED MASTERING
8th Edition
ISBN: 9780134326436
Author: Johnson
Publisher: PEARSON CO
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Chapter 20, Problem 1TY
Summary Introduction
Introduction:
Plasmids are small self-replicating extra-chromosomal DNA (deoxyribonucleic acid) molecules. Plasmids play important roles in molecular biology, for example, gene cloning, recombinant protein production, and gene therapy. Plasmids are mostly found as circular, small, and double-stranded molecules of DNA in the bacteria.
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Chapter 20 Solutions
EP HUMAN BIOLOGY-MODIFIED MASTERING
Ch. 20 - Prob. 1QCCh. 20 - GM foods are created for a variety of reasons,...Ch. 20 - Should foods that contain genetically modified...Ch. 20 - Explain how DNA is sequenced.Ch. 20 -
2. Describe the enzymes used in recombinant DNA...Ch. 20 - Prob. 3CRCh. 20 - Discuss the polymerase chain reaction technique,...Ch. 20 - Prob. 5CRCh. 20 - Prob. 6CRCh. 20 - Prob. 7CR
Ch. 20 - Prob. 8CRCh. 20 - Prob. 9CRCh. 20 -
10. List the diseases that gene therapy may be...Ch. 20 - Prob. 1TYCh. 20 - Prob. 2TYCh. 20 - Which of the following is used to separate...Ch. 20 - Genetically engineered human insulin, human growth...Ch. 20 - Prob. 5TYCh. 20 - All of the following statements about transgenic...Ch. 20 -
7. "Gene pharming” refers to:
a. using transgenic...Ch. 20 - Prob. 8TYCh. 20 - Prob. 9TYCh. 20 - Prob. 10TYCh. 20 - Which of the following is needed for sequencing...Ch. 20 - A tiny amount of blood was recovered from a crime...Ch. 20 - Which technique will allow amplification of the...Ch. 20 - A gene for a bacterial protein with insecticide...Ch. 20 - Prob. 15TYCh. 20 -
1. What do you think are the chances that someone...Ch. 20 - Imagine a future in which the respiratory effects...Ch. 20 - Prob. 3AWKCh. 20 - Prob. 4AWKCh. 20 - Prob. 5AWKCh. 20 - There is interest in producing vaccines in foods....Ch. 20 - Transgenic plants have the potential to improve...
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- Which of the following is synthesized from a DNA template? (Select one) a. Transducer RNA b. ribosomal RNA c. amino acids d. translation RNAarrow_forwardWhich DNA polymerase in prokaryotes is involved in the replacement of primers with deoxynucleotides? a.DNA-Pol I b.DNA-Pol II c.DNA-Pol Ill d.DNA-Pol IVarrow_forwardWhich of the following enzymes is responsible for ensuring that genetic material at the end of the chromosome is not lost during DNA replication? a. Helicase b. DNA Polymerase c. Telomerase d. DNA Ligase e. Primasearrow_forward
- Which of the following enzymes is NOT involved in DNA replication? a. DNA Polymerase b. Primase c. Helicase d. Phosphatase e. DNA Ligasearrow_forwardWhat is used to cut the DNA in panels 1 and 2? a. Restriction enzymes b. DNA polymerases c. DNA ligases d. RNA polymerases e. Reverse transcriptasearrow_forwardWhich of the following describes an advantage of using a recombinant plasmid for DNA cloning over PCR? A. PCR is more likely to have errors introduced in the copying process. B. Recombinant DNA plasmids are able to create large amounts of copies more quickly than PCR. C. PCR can only be conducted in eukaryotic cells. D. PCR requires prior knowledge of the sequence in question, while a recombinant plasmid does not.arrow_forward
- Which type of mechanism best repairs thymidine dimers caused by exposure to UV light? a. Nucleotide excision repair b. Base excision repair c. Mismatch repair d. NHEJarrow_forwardA protein that can cut DNA at specific DNA base sequences is called a a. DNase. c. restriction enzyme. b. DNA ligase. d. DNA polymerase.arrow_forwardWhy is an RNA primer necessary for DNA replication a. The RNA primer is necessary for the activity of DNA ligase b. The RNA primer creates the 3’ end for DNA polymerase to add nucleotides c. DNA polymerase can only add nucleotides to RNA d. RNA primer is not necessary for DNA replicationarrow_forward
- Which of the following one is liable for the conversion of covalently closed circular DNA to super coiled DNA of the plasmid? a.Exonuclease b. DNA Gyras c. Endonuclease d. Topoisomerasearrow_forwardSome bacteria, through natural selection, have acquired some extremely potent enzymes that destroy viral DNA, thereby preventing the bacterial cell from becoming infected with the virus. These enzymes are called: Select one: O a. DNA polymerases O b. DNA ligases c. restriction endonucleases O d. restriction ligasesarrow_forwardWhat is DNA polymerase? a.An enzyme that carries out DNA replication b.Short, single strand of DNA that base-pairs with a specific DNA sequence c.An enzyme that corrects mutations that arise during the replication of DNA d.An enzyme that seals any gaps that remain between bases of replicating strands of DNAarrow_forward
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