NESTER'S MICROBIOLOGY-CONNECT >CUSTOM<
9th Edition
ISBN: 9781265432287
Author: Anderson
Publisher: MCG CUSTOM
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Chapter 20, Problem 9MC
Summary Introduction
Introduction:
Antiviral medications are the drugs that are used to treat viral infections. Acyclovir is an antiviral drug, which is used to treat herpes virus infection. Herpes is caused by HSV (herpes simplex virus). It affects thegenital region, mucous surfaces, and anal regions. It is usually a long-term infection and its symptoms are hardly visible. It is a sexually transmitted disease. Commonly visible symptoms include the appearance of blisters on external genitalia, pain, itching, fever, and cold sores.
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38) The following treatment(s) control bacterial growth by damaging the DNA structure of bacteria: a) Fluroquinolones b) UV light c) Radiation d) Rifamycin e) b & c39) The following treatment(s) stops transcription: a) Fluroquinolones b) UV light c) Radiation d) Rifamycin e) a & b40) Bacteria that grow optimally between the pH 5.5 – 8 are called: a) Acidophiles b) Neutrophiles c) Alkaliphiles d) Hydrophiles e) Nabilophiles41) All the following methods are physical ways for controlling bacterial growth except: a) chemotherapy b) Moist heat c) dry heat d) radiation e) low temperatures.42) Setting the autoclave time at the prescribed temperatures depending of what material you are autoclaving is called: a) D-Value b) Z-Value c) F-Value d) Autoclave Coefficient e) TValue43) A treatment that kills or removes all living cells, including viruses and spores, from a substance or objects is called: a) antiseptic b) sanitization c) disinfection d) chemotherapeutic
e) sterilizatio
Usually, bacteria only make tryptophan when
tryptophan is absent or available in low
concentration. However, a particular bacterial
mutation makes tryptophan all the time
whether or not tryptophan is present. What
could explain this phenotype?
A) the terminator hairpin is unable to form
B) the antiterminator hairpin is unable to form
C) trpE is mutated
D) trpD is mutated
E) trpA is mutated
Give typing answer with explanation and conclusion
Chapter 20 Solutions
NESTER'S MICROBIOLOGY-CONNECT >CUSTOM<
Ch. 20 - Describe the difference between the terms...Ch. 20 -
2. Define therapeutic index and explain its...Ch. 20 -
3. Explain how penicillin-binding proteins (PBPs)...Ch. 20 - Name three classes of antimicrobial medications...Ch. 20 - Explain the roles of the first-line drugs versus...Ch. 20 -
6. Compare and contrast the method for...Ch. 20 - Name three targets that can be altered...Ch. 20 - What is MRSA? Why is it significant?Ch. 20 - Prob. 9SACh. 20 -
10. Explain the difference between the mechanism...
Ch. 20 - Which of the following targets would you expect to...Ch. 20 -
2. Penicillin has been modified to make...Ch. 20 -
3. Which of the following is the target of...Ch. 20 -
4. Which of the following statements is false?
a)...Ch. 20 - Prob. 5MCCh. 20 - Prob. 6MCCh. 20 - Prob. 7MCCh. 20 - Prob. 8MCCh. 20 - Prob. 9MCCh. 20 - Prob. 10MCCh. 20 - Prob. 1ACh. 20 - Prob. 2ACh. 20 - Prob. 1CTCh. 20 - Prob. 2CT
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- RNA are short-lived A) True B) Falsearrow_forwardAn enzyme used to synthesize the amino acid tryptophan is most likelya) constitutive. b) inducible.c) repressible. d) a and b.arrow_forwardIdentify the single most correct choice: a) DNA replication is a non-conservative process. b) Peroxide and ozone can be used as antimicrobial agents and their mechanism of action is via oxidizing molecules inside the cells. c) Antibiotics can never be used as food preservatives. d) All of the above.arrow_forward
- 19. A 22-year-old man who was recently diagnosed with type 1 diabetes mellitus has learned to test his blood for glucose and is compliant with all treatment instructions. When asked by his family how he is coping with his disease, he says, "I prefer not to think about it." This behavior is best described as which of the following? A) Denial F) Repression B) Identification G) Somatization C) Projection H) Splitting D) Rationalization 1) Sublimation E) Reaction formation J) Suppressionarrow_forwardWhich of the following amino acids is unique in that it can bind both non-specifically to the DNA backbone as well as to specific DNA bases? a) Lysine b) Asparagine c) Arginine d) Phenylalanine e) Leucinearrow_forwarda) 5'-ATGGGCTCGCACTCATAA-3' b) 5'-ATGGTCTCGAACTCATAA-3' c) 5'-ATGGGCTCGAACTCATAA-3' d) 5'-ATGGGCTCGAACACATAA-3' e) 5'-ATGGGCTCGAATTCATAA-3' Excuse me, the answer you shows to me is not appear in the five options.arrow_forward
- Which of the following anticodons could be charged with Asparagine (Asn)?Question 23 options: A) 3' AAU 5' B) 3' UUA 5' C) 3' UUG 5' D) 3' UUI 5' E) all can be charged with Asn except 3' AAU 5'arrow_forwardThe same DNA sequence may code for more than one polypeptide. Which one of the following is not used for this purpose? a)Alternative reading frames b)Alternative polyadenilation c)Alternative start sites d)Alternative cappingarrow_forwardIn standard agarose gels used for the analysis of DNA, linear DNA fragments are separated on the basis of their... a) Size b) Charge c) Buoyancy d) Color e) Smellarrow_forward
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