BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 31, Problem 3S
Summary Introduction
To determine: Antibiotic effectivity on
Introduction: The word antibiotic means “against life”. Therefore, any drug that can kill germs in our body is basically an antibiotic. Specifically, antibiotics are medicines that help to stop infections caused by bacteria, either by killing them or by keeping them from copying themselves or reproducing.
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Which one(s) is/are more harmful to the host and why?
A) Antifungal agents
B) antiprotozoal agents
C) antibiotics
A and B
34) Which of the following fungal diseases involves an intracellular parasite that partially disables
macrophages, allowing for spread beyond the lungs.
A) Coccidioidomycosis
C) Pneumocystis
B) Blastomycosis
D) Histoplasmosis
35) Of the following genetic material types seen in viruses, which genetic material type leads to rapid, almost
immediate production of viral proteins, followed closely by replication of the genome leading to rapid
synthesis of new viruses, which tends to overwhelm the host, as exemplified in a viral disease which
causes more than 200,000 deaths of children worldwide each year.
A) negative (-) strand single-stranded RNA
B) double-stranded RNA
D) positive (+) strand single-stranded RNA
C) single-stranded DNA
a ) Describe the two types of fungal hypha.
b) What are the major differences between the lytic cycle and the lysogenic cycle.
Chapter 31 Solutions
BIOLOGY
Ch. 31.1 - Prob. 1LOCh. 31.1 - Prob. 2LOCh. 31.2 - Prob. 1LOCh. 31.2 - Compare cell division in fungi and higher...Ch. 31.2 - Prob. 3LOCh. 31.2 - Prob. 4LOCh. 31.3 - Prob. 1LOCh. 31.3 - Prob. 2LOCh. 31.3 - Compare and contrast arbuscular mycorrhizae and...Ch. 31.4 - Prob. 1LO
Ch. 31.4 - Prob. 2LOCh. 31.5 - Prob. 1LOCh. 31.5 - Prob. 2LOCh. 31.5 - Prob. 3LOCh. 31.6 - Explain which cells in the life cycle of an...Ch. 31.6 - Prob. 2LOCh. 31.6 - Prob. 3LOCh. 31.7 - Describe the ecological importance of the...Ch. 31.7 - Prob. 2LOCh. 31.8 - Prob. 1LOCh. 31.8 - Prob. 2LOCh. 31.8 - Prob. 3LOCh. 31.9 - Prob. 1LOCh. 31.9 - Prob. 2LOCh. 31.9 - Prob. 3LOCh. 31.10 - Prob. 1LOCh. 31 - Data analysis Comparative analyses of fossil and...Ch. 31 - A fungal cell that contains two genetically...Ch. 31 - Prob. 2UCh. 31 - Prob. 3UCh. 31 - Prob. 4UCh. 31 - Prob. 5UCh. 31 - If two genetically different, haploid (n) hyphae...Ch. 31 - Prob. 7UCh. 31 - Prob. 1ACh. 31 - Prob. 2ACh. 31 - Prob. 3ACh. 31 - Prob. 4ACh. 31 - Prob. 5ACh. 31 - Prob. 6ACh. 31 - Prob. 1SCh. 31 - Prob. 2SCh. 31 - Prob. 3SCh. 31 - Prob. 4S
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- How long does penicillin take to kill infection?arrow_forwardHow is the microbe that makes penicillin different from the one that makes streptomycin?arrow_forwardWhich form of Plasmodium passes from mosquitoes to people and causes infection?a) Trophozoitesb) Merozoitesc) Sporozoitesd) Vegetative forme) Oocystarrow_forward
- Antibiotics are derived from all the following except: a) Penicillium b) Bacillus c) Staphylococcus d) Streptomyces e) Cephalosporiumarrow_forwardWhich of the listed antibiotics is not considered broad-spectrum? a) Rifamycins b) Tetracyclines c) Cephalosporins d) Polymyxin Barrow_forwardWhy do mycoplasmas need to have stronger cytoplasmicmembranes than other bacteria?arrow_forward
- Why are staphylococcal infections becoming increasingly difficult to treat?arrow_forwardThe nurse knows that antimalarial drugs are used to treat patients with infections caused by which microorganism? a )Plasmodium spp.b )Candida albicansc) Pneumocystis jiroveciid) Mycobacteriumarrow_forwardNormal microbiota provide protection from infection in each of the following ways EXCEPT: Question 3 options: A) they produce antibacterial chemicals. B) they compete with pathogens for nutrients. C) they make the chemical environment unsuitable for nonresident bacteria. D) they produce lysozyme.arrow_forward
- Which pathogen is most likely to be treated with antibiotics?arrow_forwardWhich one of the following categories for antibacterial agents is most likely to have toxic side effects for humans? a) disruptors of cell membrane structure b) inhibitors of cell wall synthesis Oc) inhibitors of protein synthesis d) antimetabolites RESET e) inhibitors of DNA synthesis Cancel Donearrow_forwardWhich statement about Yersinia pestis is false?a) Conditions inside human phagocytes activate virulence genes.b) The bacterium can form biofilms in the flea digestive system.c) Yops protein increases phagocytosis.d) The organism resembles a safety pin in certain stained preparations.e) It was responsible for the “black death” in Europe during the 1300s.arrow_forward
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