Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337670319
Author: STARR
Publisher: Cengage
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Textbook Question
Chapter 20, Problem 12SQ
A plasmid is a circle of ___ .
- a. RNA
- b. DNA
- c. either RNA or DNA
- d. histone proteins
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Students have asked these similar questions
A plasmid is a circle of________ . a. RNA c. either RNA or DNA b. DNA d histone proteins
A plasmid differs from the bacterial chromosome in that it is __________.
A. significantly smaller
B. always found as a single copy of DNA in a cell
C. circular
D. double-stranded
A.
significantly smaller
B.
always found as a single copy of DNA in a cell
C.
circular
D.
double-stranded
For A. Answer is Culture in ampicillin media to isolate bacteria that took up the plasmid, killing off the bacteria that did not take up the plasmid. Can you explain why?
For B. Answer is Lane C. Can you explain why?
Chapter 20 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - The genome of ___ can be either RNA or DNA. a. a...Ch. 20 - The capsid of a virion consists of ___ . a. DNA b....Ch. 20 - Bacteriophages kill their host quickly by ______ ....Ch. 20 - The genetic material of HIV (a retrovirus) is...Ch. 20 - Prob. 5SQCh. 20 - Prob. 6SQCh. 20 - Prob. 7SQ
Ch. 20 - Bacteria that serve as decomposers are ___ . a....Ch. 20 - Prob. 9SQCh. 20 - Formation of a(n) ___ allows some soil bacteria to...Ch. 20 - _____ in the stomach of a cow release methane. a....Ch. 20 - A plasmid is a circle of ___ . a. RNA b. DNA c....Ch. 20 - Prob. 13SQCh. 20 - Prob. 14SQCh. 20 - Prob. 15SQCh. 20 - Prob. 1CTCh. 20 - Adenoviruses that cause colds do not have a lipid...Ch. 20 - The antibiotic penicillin acts by interfering with...Ch. 20 - Raw red alga of the genus Porphyra is part of a...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements is false? a. Plasmids can be exchanged between different species of bacteria. b. The blue circle represents a small chromosome. c. The blue circle is a plasmid that contains genes that confer resistance to specific antiobiotics. d. The blue circle represents a double-stranded molecule of DNA.arrow_forwardWhich of the following characteristics is not true of a plasmid?a. It is a circular piece of DNA.b. It is required for normal cell function.c. It is found in bacteria.d. It can be transferred from cell to cell.arrow_forwardD. radiodurans can survive strong ionizing radiation (gamma radiation). What DNA repair process? a. Reverse transcription b. Translation c. Homologous recombination d. DNA replication e. Transcriptionarrow_forward
- Which of the following statements is false? a) the bacterial chromosome is usually circular b) the bacterial chromosome has a single origin of replication c) the bacterial chromosome consists of a single molecule of DNA d) plasmids are small DNA molecules that occur in bacteria but are not essential - for normal function. e) Most bacterial genomes consist of fewer than 1,000 genesarrow_forwardn gel electrophoresis of DNA, the different bands in the final gel form because the DNA molecules _______. a. are from different organisms b. have different lengths c. have different nucleotide compositions d. have different genesarrow_forwardDNA molecular with complementary sticky ends associate by (a) covalent bonds (b) hydrogen bonds (c) ionic bonds (d) disulfide bonds (e) phosphodiester linkagesarrow_forward
- Why are antibiotic resistance markers such as ampR important components of bacterial plasmid cloning vectors? a. The plasmid must have resistance to accept DNA inserts. b. They allow the detection of plasmids that contain an inserted DNA fragment. c. They ensure the presence of the ori site. d. They ensure that the plasmid can be cut by a restriction enzyme. e. They allow identification of bacteria that have taken up a plasmid.arrow_forwardWhich of the following statements is false?a) The cells which take up recombinant plasmids are drug resistantb) The cells with no recombinant plasmids are drug resistantc) Plasmid replication is independent of cell’s divisiond) The cells containing recombinant plasmid are called transformed cellsarrow_forwardWhich of the following statements is true of plasmids? a. They are composed of RNA. b. They normally exist outside of bacterial cells. c. They possess only a single strand of DNA. d. They contain an origin of replicationarrow_forward
- Plasmids are circular extrachromosomal DNA in bacteria that play a role in: d. degradation of viruses a. growth of bacteria b. pathogenicity and antibiotic resistance c. production of antibodiesarrow_forwardPlasmids are important in biotechnology because they are Group of answer choices a. a vehicle for the insertion of foreign genes into bacteria b. recognition sites on recombinant DNA strands c. surfaces for protein synthesis in eukaryotic recombinants d. viruses incorporated into the host DNAarrow_forwardpXO1 and pXO2 are large plasmids – large pieces of DNA that are not the chromosome that can replicate independently of the chromosome. What can a Bacillus anthracis cell with a pXO2 plasmid do that a cell without pXO2 can’t? I need help answering this quwhstion as short as possible based of what is said in the paperarrow_forward
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