Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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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
Small circular molecules of DNA in bacteria ____.
a.
result from the activity of restriction enzymes
b.
are plasmids
c.
cannot survive outside of the cell
d.
are eventually degraded
e.
are DNA fragments from their main chromosome
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
Using one of the options below, finish the following statement so that it is correct. Plasmids are _________
a.
extrachromosomal, circular molecules of RNA
b.
extrachromosomal, linear molecules of DNA
c.
None of these options are correct
d.
extrachromosomal, circular molecules of DNA
e.
extrachromosomal, linear molecules of RNA
Chapter 20 Solutions
Biology: The Unity and Diversity of Life
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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- 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_forwardplease fill in the blankarrow_forward. 1 · | 2. L 3 | 4 | . 5 6 7 Direction: Encircle the letter of the correct answer . 1. It is a double-stranded , self replicating, circular DNA molecule present in bacteria which is widely used as a gene cloning vector. A. Cosmid B. Plasmid. C. Phagemid. D. Genome 2. In plant genetic engineering, which of the following acts as vector? B. Gene of interest D. Ti-plasmid А. Agrobacterium lumefaciens. Receipt plant cell. Which of the following illustrates breeding? A farmer choose a breed of cow for greater milk production The use of bacteria in order to produce human insulin. The insertion of cloned genes to plant cells. All of the above. 3. А. В. С. D. Being pest resistance is one of the traits that are being introduced to plants like corn and eggplant with the insertion of Bt-toxin gene to plant cell. What method is use when a gene is inserted to plants? A. Biolistic C. Plasmid insertion by heat shock treatment 4. B. Electroporation D. All of these 5. A biotechnologist wants to enhance…arrow_forward
- D. 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_forwardA recombinant DNA contains -- and Which of the following terms is appropriate for the blanks? Lütfen birini seçin: O a. gene to be cloned / cell O b. plasmid / bacterial DNA c. gene to be cloned/enzyme O d. plasmid / gene to be cloned O e. plasmid / proteinarrow_forwardOne cell transfers a plasmid to another by_______ . a. binary fission c. conjugation b. transformation d. the lytic pathwayarrow_forward
- Shade A if it is True and B if it is False A. True B. False 24. Every phosphate is connected to a sugar 25. Uracil is present in RNA replication 26. 2 haploid cell is the end product of DNA replication 27. Complimentary base pairing is compose of 7 nucleotides 29. New strands are copied and formed from separated strands of DNA 30. 3' to 5' end, 5' to 3' end are the directionality of DNA strandsarrow_forward7. The cloned gene of interest is inserted where in the Ti plasmid? A. just prior to the T-DNA B. within the T-DNA C. anywhere in the plasmid D. cloned genes are not inserted into the plasmid.arrow_forwardSingle nucleotide polymorphisms are found ina. DNA. b. RNA.c. plasmidsd. siRNAarrow_forward
- R factors are ________ that contain a code for ______________ .a. genes, replicationb. plasmids, drug resistancec. transposons, interferond. plasmids, conjugationarrow_forwardThe picture below depicts an aberration in the process of genetic coding. Which of the following terms best describes this occasional occurrence in genetic material? see photo attached a. Chromosomal aberration b. Mutation c. CRISPR d. ZNFarrow_forwardI keep getting answers saying D the answer A the answer and B im getting more confused.arrow_forward
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