Laboratory Manual for Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781260163469
Author: OBENAUF, Steven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 16, Problem 7Q
Which of the following organisms produces an enzyme that breaks down hydrogen peroxide?
- a. Streptococcus pyogenes
- b. Staphylococcus aureus
- c. MRSA
- d. two of these
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Suppose that the population from question #1 (data is in table below) is experiencing inbreeding depression (F=.25) (and no longer experiencing natural selection). Calculate the new expected genotype frequencies (f) in this population
after one round of inbreeding. Please round to 3 decimal places.
Genotype
Adh Adh
Number of Flies
595
Adh Adh
310
Adhs Adhs
95
Total
1000
fladh Adh-
flAdn Adh
fAdhs Adh
Which of the following best describes why it is difficult to develop antiviral drugs? Explain why.
A. antiviral drugs are very difficult to develop andhave no side effects
B. viruses are difficult to target because they usethe host cell’s enzymes and ribosomes tometabolize and replicate
C. viruses are too small to be targeted by drugs
D. viral infections usually clear up on their ownwith no problems
This question has 3 parts (A, B, & C), and is under the subject of Nutrition. Thank you!
Chapter 16 Solutions
Laboratory Manual for Microbiology Fundamentals: A Clinical Approach
Ch. 16.1 - Describe the important anatomical features of the...Ch. 16.1 - Prob. 2AYPCh. 16.1 - Prob. 1NPCh. 16.2 - Prob. 3AYPCh. 16.3 - Prob. 4AYPCh. 16.3 - Prob. 5AYPCh. 16.3 - Prob. 6AYPCh. 16.3 - Prob. 7AYPCh. 16.3 - Prob. 2NPCh. 16.3 - Prob. 3NP
Ch. 16.3 - Prob. 1MMCh. 16.3 - Prob. 2MMCh. 16.3 - Prob. 4NPCh. 16.4 - Prob. 8AYPCh. 16.4 - Prob. 9AYPCh. 16.5 - List the types of normal biota presently known to...Ch. 16.6 - Prob. 11AYPCh. 16.6 - Prob. 12AYPCh. 16.6 - Prob. 5NPCh. 16 - Prob. 1QCh. 16 - Can you think of a plausible argument for why...Ch. 16 - Prob. 3QCh. 16 - Prob. 4QCh. 16 - What cell structure of Bacillus anthracis makes it...Ch. 16 - Prob. 6QCh. 16 - Which of the following organisms produces an...Ch. 16 - Prob. 8QCh. 16 - Prob. 9QCh. 16 - Prob. 10QCh. 16 - Prob. 11QCh. 16 - Prob. 12QCh. 16 - Which of the following conditions is most likely...Ch. 16 - Prob. 14QCh. 16 - Prob. 15QCh. 16 - Prob. 16QCh. 16 - Prob. 17QCh. 16 - Prob. 18QCh. 16 - Prob. 19QCh. 16 - Explain why detecting a single case of smallpox...Ch. 16 - Prob. 21QCh. 16 - From chapter 11, figure 11.2. How does this figure...
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- They got this question wrong the 2 previous times I uploaded it here, please make sure it's correvct this time.arrow_forwardThis question has multiple parts (A, B & C), and under the subject of Nutrition. Thank you!arrow_forwardCalculate the CFU/ml of a urine sample if 138 E. coli colonies were counted on a Nutrient Agar Plate when0.5 mls were plated on the NA plate from a 10-9 dilution tube. You must highlight and express your answerin scientific notatioarrow_forward
- Molecular Biology Question. Please help solve. Thanks. Please draw how two nucleotide triphosphates are linked together to form a dinucleotide, and label the 5' and 3' ends of the resulting dinucleotide.arrow_forwardWhat is a reversion in molecular biology?arrow_forwardWhat is a gain of function mutation?arrow_forward
- Molecular Biology Question: Please help. Thank you Is Southern hybridization's purpose detecting specific nucleotide sequences? How so?arrow_forwardUse the following information to answer the question(s) below. Martin Wikelski and L. Michael Romero (Body size, performance and fitness in Galápagos marine iguanas, Integrative and Comparative Biology 43 [2003]:376-86) measured the snout-to-vent (anus) length of Galápagos marine iguanas and observed the percent survival of different-sized animals, all of the same age. The graph shows the log snout-vent length (SVL, a measure of overall body size) plotted against the percent survival of these different size classes for males and females. Survival (%) 100- 80- 60- 40- 20- 0+ 1.9 T 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Log SVL (mm) 19) Examine the figure above. What type of selection for body size appears to be occurring in these marine iguanas? A) directional selection B) stabilizing selection C) disruptive selection D) You cannot determine the type of selection from the above information. 3arrow_forward24) Use the following information to answer the question below. Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined (see table) and used to determine the actual allele frequencies in the population. TT 0.49 Tt 0.42 tt 0.09 Refer to the table above. Is this population in Hardy-Weinberg equilibrium? A) Yes. C) No; there are more homozygotes than expected. B) No; there are more heterozygotes than expected. D) It is impossible to tell.arrow_forward
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