Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 20, Problem 12SQ
Summary Introduction
Introduction: Plasmids are the extra-chromosomal circular DNA found in many bacterial cells. Plasmids are used for the bacterial conjugation. It consists of genes like antibiotic resistance gene that provides the bacterial cells with additional features. Plasmids are independent of the chromosomal DNA for their replication. Plasmids are varied in size (ranges from hundreds to thousands of DNA base pairs per plasmids).
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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. Serine
_________4. It is a bacterial that contains plasmid use to produce desirable proteins for human consumptions
A. Bacillus thuringiensis B. E. coli C. Saccharomycetes cerevisiae
Transfer RNA ____________________.
a. Carries amino acids to the ribosome
b. Carries information from the DNA to the ribosome
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Chapter 20 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 20 - Prob. 1SQCh. 20 - Prob. 2SQCh. 20 - Prob. 3SQCh. 20 - Prob. 4SQCh. 20 - __________ do not reproduce sexually. a....Ch. 20 - Prob. 6SQCh. 20 - Adapting to Host Defenses Surface proteins called...Ch. 20 - Prob. 2DAACh. 20 - Prob. 3DAACh. 20 - Adapting to Host Defenses Surface proteins called...
Ch. 20 - Prob. 7SQCh. 20 - Bacteria that serve as decomposers are ___ . a....Ch. 20 - Prob. 9SQCh. 20 - Formation of a(n) ___ allows some soil bacteria to...Ch. 20 - Prob. 11SQCh. 20 - Prob. 12SQCh. 20 - Which of these diseases is caused by bacteria? a....Ch. 20 - Prob. 14SQCh. 20 - Prob. 15SQCh. 20 - If a cut or scrape becomes infected,...Ch. 20 - The adenoviruses that cause colds do not have a...Ch. 20 - Prob. 3CTCh. 20 - Prob. 4CT
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- Ribosomal 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_forwardThe phrase 5to3 refers to the _________ . a. timing of DNA replication b. directionality of DNA synthesis c. number of phosphate groupsarrow_forwardChoose the combination of answers that most accurately completes the statement.Select a drug or drugs that can prevent a viral nucleic acid from being replicated. a. azidothymidine c. amantadine b. acyclovir d. both a and barrow_forward
- Choose the combination of answers that most accurately completes the statement.Which 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_forwardRibosomes 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_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_forward
- The enzyme ________ separates the TWO DNA strands of the double helix. a. helicase b. ligase c. polymerasearrow_forward________ can be used to introduce foreign DNA into cells of tissues to cure inheritable disease a. Gene therapy b. Cellular cloning c. PCRarrow_forwardMessenger 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_forward
- Prokaryotic transcripts are _____________ since several proteins can be produced from one mRNA. a. polycistronic b. monocistronic c. tricistronic d. bicistronicarrow_forwardCystic Fibrosis is caused by which of the following? a. Replacement of three nucleotides with a new three nucleotide sequence b. Addition of three nucleotides c. Deletion of three nucleotidesarrow_forwardType of DNA spontaneous mutation that can explain why uracil is not found in DNA a.depurination b.methylation c. oxidation d.deaminationarrow_forward
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