Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 20, Problem 2TYK
What is a plasmid?
a. an organelle found in many bacteria and certain eukaryotes
b. a circular DNA molecule that replicates independently of the main chromosome(s)
c. a type of virus that has a DNA genome and infects certain types of human cells, including lung and respiratory tract tissue
d. a type of virus that has an RNA genome, codes for reverse transcriptase, and inserts a cDNA copy of its genome into cells
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Students have asked these similar questions
What is a proteome?
a. The collection of all genes encoding proteins
b. The collection of all proteins encoded by the genome
c. The collection of all proteins present in a cell
d. The amino acid sequence of a protein
How does a retrovirus prepare its genetic material for incorporation into the host cell genome?
a.
Host enzymes incorporate viral RNA directly into the genome.
b.
Host enzymes covert viral RNA to double-stranded viral DNA.
c.
Viral reverse transcriptase uses viral RNA to make double-stranded viral RNA.
d.
Viral reverse transcriptase uses viral RNA to make double-stranded viral DNA.
e.
Viral reverse transcriptase uses viral single-stranded DNA to make double-stranded viral DNA.
Explain how electrophoresis separates DNA strands.
a. How is a DNA fingerprinting test interpreted?
b. Define plasmid and how plasmids can change a bacteria’s activity.
c. How do we digest/cleave plasmids? Explain the role of a restriction enzyme.
d. Define sticky end and blunt end and which one is useful in molecular biology.
Chapter 20 Solutions
Biological Science (6th Edition)
Ch. 20 - Prob. 1TYKCh. 20 - What is a plasmid? a. an organelle found in many...Ch. 20 - 3. Once the gene that causes Huntington disease...Ch. 20 - CAUTION The human genome size is 3 billion base...Ch. 20 - Prob. 5TYUCh. 20 - Prob. 6TYUCh. 20 - Prob. 7TYUCh. 20 - Prob. 8TYUCh. 20 - 9. Revolutionaries executed Nicholas II, the last...Ch. 20 - Prob. 10TYPSS
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- A small nonessential circular DNA molecule in prokaryotes is called a: a. plasmid b. telomere c. bacteriophage d. prophagearrow_forwardWhat is DNA polymerase? A. An enzyme that corrects mutations that arise during the replication of DNA B. An enzyme that seals any gaps that remain between bases of replicating strands of DNA C. Short, single strand of DNA that base-pairs with a specific DNA sequence D. An enzyme that carries out DNA replicationarrow_forwardWhat is the function of resolvase in recombination? a. It unwinds double-stranded DNA. b. It allows a single DNA strand to invade a DNA helix. c. It displaces one of the original DNA strands during branch migration. d. It cleaves the Holliday structure.arrow_forward
- What is the role of a virus in gene therapy?a. It causes the disease that gene therapy is aiming to cure.b. It carries the healthy DNA into the patient’s cells.c. It carries the faulty DNA out of the patient’s cells.d. It reveals which cells carry the DNA causing the disease.arrow_forwardWhat is the major role of DNA polymerase in the DNA replication? a. Attached RNA primers to initiate the addition of complementary nucleotide sequence at the 5’ to 3’direction b. Adds up new complementary nucleotide sequence at the 3’ to 5’ direction of the DNA template. c. Unwinds the double helix by breaking the bonds at the 3’ to 5’ polymerization activity. d.It transiently cuts each strand to prevent supercoil at the 5’ to 3’ polymerization activity complementary to the RNA strandarrow_forwardWhat is a section of DNA that codes for a protein called? A.Gene B.Chromosome C.Allele D.Plasmidarrow_forward
- after a successful infection by a viral particle, it integrates its genome into the host DNA. which term best describe the change of host genome? a. none b.silent mutation c.missense mutation d.frame shift mutationarrow_forwardGiven: 3' TAC CAG TTA AGC CTC GGT ATC CAG GAT ACG 5' What would be the first 10 bases at the 5' end of the complementary strand? A. 5' TCG CGTATC C 3' C. 5' GGC TTA ACT G 3' E. none of the choices B. 5' ATG GTC AATT 3' D. 5' CGT ATC CTG G 3' WRITE THE CAPITAL LETTER OF YOUR ANSWER.arrow_forwardHow is a fusion protein formed? a. Use CRISPR/Cas9 to remove a portion of the gene of interest, thereby creating a shorter protein b. Use site-directed mutagenesis to replace one sequence with another c. Use the yeast two hybrid technique to form a new hybrid protein d. Use recombinant DNA to ligate a cDNA in frame with another protein coding sequencearrow_forward
- What is the role of DNA polymerase in DNA replication? O A. DNA polymerase replicates tRNA, mRNA and rRNA B. DNA polymerase adds A-U-G-C as compliments to the original DNA strand to make an identical copy. O C. DNA polymerase "unzips" the DNA D. DNA polymerase adds complimentary free nucleotides to the original strand to make and identical copy. Submit Clear form Never submit passwords through Google Forms. This form was created inside of East Baton Rouge Parish Schools. Report Abuse Google Formsarrow_forwardGiven the sequence of the DNA template as GTCATG, what would be the sequence of the mRNA? a. CAGTAC b. CUGTUC c. CAGUAC d. GUCAUGarrow_forwardHuman growth hormone is being researched as a potential anti-aging drug. What is the most likely way that would scientists produce large amounts of growth hormone? O a. Use transcription factors to increase the rate of transcription of the relevant gene in humans Use the human growth hormone to develop an aging vaccine Use restriction enzymes to isolate the relevant gene and allow it to replicate in all types of cells O b. O c. O d. Transfer the relevant gene to a bacterial cell and culture large colonies then purify the product Oarrow_forward
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