Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Chapter 8.3, Problem 1MI
MICRO INQUIRY How might one verify that filtration removed all microorganisms?
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Chapter 8 Solutions
Prescott's Microbiology
Ch. 8.1 - MICRO INQUIRY Which types of agents can be used...Ch. 8.1 - Retrieve, Infer, Apply 1. Define the following...Ch. 8.1 - Retrieve, Infer, Apply 2. What is the difference...Ch. 8.2 - MICRO INQUIRY Examine graph (a). How long would it...Ch. 8.3 - MICRO INQUIRY How might one verify that filtration...Ch. 8.3 - Retrieve, Infer, Apply 1. What are depth filters...Ch. 8.3 - Retrieve, Infer, Apply 2. Describe the operation...Ch. 8.3 - Retrieve, Infer, Apply 3. During the 20092010...Ch. 8.4 - Retrieve, Infer, Apply 1. Describe how an...Ch. 8.4 - Retrieve, Infer, Apply 2. In the past, spoiled...
Ch. 8.4 - Prob. 2.1RIACh. 8.4 - Retrieve, Infer, Apply 2. What is the correlation...Ch. 8.5 - MICRO INQUIRY Why is it important that all of...Ch. 8.5 - MICRO INQUIRY Why are cross-linking agents such as...Ch. 8.5 - Retrieve, Infer, Apply 1. Why are most...Ch. 8.5 - Retrieve, Infer, Apply Construct a table that...Ch. 8.5 - Retrieve, Infer, Apply 3. Which disinfectants or...Ch. 8.5 - Retrieve, Infer, Apply 4. How do phenolic agents...Ch. 8.5 - Retrieve, Infer, Apply 5. Which physical or...Ch. 8.6 - Retrieve, Infer, Apply 1. Briefly explain how the...Ch. 8.6 - Retrieve, Infer, Apply How does being in a biofilm...Ch. 8.6 - Retrieve, Infer, Apply Suppose hospital custodians...Ch. 8.6 - Retrieve, Infer, Apply Briefly describe the phenol...Ch. 8.6 - Retrieve, Infer, Apply Why might it be necessary...Ch. 8.7 - Retrieve, Infer, Apply How would you explain to a...Ch. 8.7 - Retrieve, Infer, Apply Propose the use of specific...Ch. 8 - Throughout history, spices have been used as...Ch. 8 - Design an experiment to determine whether an...Ch. 8 - Suppose you tested the effectiveness of...Ch. 8 - The death of Geobacillus stearothermophilus spores...
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- You implant an FGF10-coated bead into the anterior flank of a chicken embryo, directly below the level of the wing bud. What is the phenotype of the resulting ectopic limb? Briefly describe the expected expression domains of 1) Shh, 2) Tbx4, and 3) Tbx5 in the resulting ectopic limb bud.arrow_forwardDesign a grafting experiment to determine if limb mesoderm determines forelimb / hindlimb identity. Include the experiment, a control, and an interpretation in your answer.arrow_forwardThe Snapdragon is a popular garden flower that comes in a variety of colours, including red, yellow, and orange. The genotypes and associated phenotypes for some of these flowers are as follows: aabb: yellow AABB, AABb, AaBb, and AaBB: red AAbb and Aabb: orange aaBB: yellow aaBb: ? Based on this information, what would the phenotype of a Snapdragon with the genotype aaBb be and why? Question 21 options: orange because A is epistatic to B yellow because A is epistatic to B red because B is epistatic to A orange because B is epistatic to A red because A is epistatic to B yellow because B is epistatic to Aarrow_forward
- A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation? The cell membranes are more resistant than normal. An isotonic solution had been added instead of water. A solution of 0.1 M NaCl had been added instead of water. Not enough water had been added to the red blood cell pellet. The man had sickle-cell anaemia.arrow_forwardA sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation? The cell membranes are more resistant than normal. An isotonic solution had been added instead of water. A solution of 0.1 M NaCl had been added instead of water. Not enough water had been added to the red blood cell pellet. The man had sickle-cell anaemia.arrow_forwardWith reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobinarrow_forward
- With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobinarrow_forwardWhich ONE of the following is FALSE regarding haemoglobin? It has two alpha subunits and two beta subunits. The subunits are joined by disulphide bonds. Each subunit covalently binds a haem group. Conformational change in one subunit can be transmitted to another. There are many variant ("mutant") forms of haemoglobin that are not harmful.arrow_forwardWhich ONE of the following is FALSE regarding haemoglobin? It has two alpha subunits and two beta subunits. The subunits are joined by disulphide bonds. Each subunit covalently binds a haem group. Conformational change in one subunit can be transmitted to another. There are many variant ("mutant") forms of haemoglobin that are not harmful.arrow_forward
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