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 3SQ
Summary Introduction
Introduction:
A virus that infects a bacterium is called as a bacteriophage. They resemble viruses in case of structure, mode of reproduction, and genetic material. Like viruses, they have either DNA or RNA as the genetic material and can follow the lytic or lysogenic mode of reproduction. They infect and release out by bursting the host cell (lytic phage) or remain and multiply inside the host cell without destroying them (lysogenic phage).
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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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- Bacteria can become resistant to antibiotics by _________. Select all that apply. a. spontaneously acquiring resistance through mutation. b. acquiring resistant genes through exchanging genes with other bacteria c. Botharrow_forward80) The integrase enzyme a. Only works in the cytoplasm b. Can produce the provirus. c. Can be synthesized in the cytoplasm and nucleus d. is packaged in the Hepatitis B virusarrow_forwardWhich of the following events occurs in the lytic cycle of bacteriophage T4 infection but NOT in the lysogenic cycle? a.both digestion of host DNA and viral proteins synthesis b.attachment c.viral protein synthesis d.digestion of host DNA e.entryarrow_forward
- The effect of antibiotics on micro organismsis mainly due to a. Inhibition of cell-wall synthesis b. Damage to the cytoplasmic membrane c. Inhibition of nucleic acid and protein synthesis d. AOTAarrow_forwardA bacterial exotoxin is a________ . a. membrane lipid c. secreted protein b. membrane protein d. cell wall componentarrow_forward_________4. It is a bacterial that contains plasmid use to produce desirable proteins for human consumptions A. Bacillus thuringiensis B. E. coli C. Saccharomycetes cerevisiaearrow_forward
- _________5. It is a eukaryotic cells that contains also plasmids and use to produce desirable proteins. A. Bacillus thuringiensis B. E. coli C. Saccharomycetes cerevisiaearrow_forwardIn general, zoonotic viral diseases are ________ in humans.a. mild and asymptomatic b. self-limited c. severe and systemic d. not contagiousarrow_forward95) The herpesviruses: a. Can have an abortive infection b. Have three round of protein translation in its replication cycles, one before genome replication and two after genome replication c. Can have a persistent infection d. the CD4 is the major receptorarrow_forward
- Viruses contain either DNA or RNA. Viruses possess their own metabolic system a. FIRST statement is TRUE; SECOND statement is FALSE b. BOTH Statements are TRUE c. FIRST statement is FALSE; SECOND statement is TRUE d. BOTH statements are FALSEarrow_forwardWhen phage nucleic acid is incorporated into the nucleic acid of itshost cell and is replicated when the host DNA is replicated, this is considered part of which cycle?a. lytic cycleb. virulence cyclec. lysogenic cycled. cell cycle e. multiplication cyclearrow_forwardA bacterium has the following characteristics:∙ It adheres to the human intestinal lining using a feature that protects it from phagocytes, bacteriophages, and dehydration∙ It can survive being boiled∙ It contains no plasmids and relatively little peptidoglycanWhich of the following characteristics allows this bacterium to adhere to the intestinal lining? Group of answer choices A. fimbriae B. pili C. an endospore D. a flagellumarrow_forward
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