Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 11, Problem 2CS
Summary Introduction
To explain: Whether PBDEs still affect children if they are completely removed from their environment.
Introduction: Epigenetics is the study of the ways in which the DNA and associated proteins produce altered gene expression due to their chemical modification. The chemical modification does not involve a change in the
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In pharmaceutical companies, Sterilization is an important step for quality assurance and approval of pharmaceutical products. Based on this concept, answer the following questions.
Heat sensitive liquids need special methods for sterilization. Explain the methods applied in details.
In sterilization, which among the supplies, instruments, glassware, etc. under the list of materials can be sterilized using either or both equipment below? List them down under the category: a) For “autoclaving” only, B) For Dry heat oven sterilization ,And C) Can be sterilized with either.
Materials:
200-ml Erlenmeyer flask Stove
500-ml Erlenmeyer flask Autoclave
10-mL graduated cylinder Analytical balance
100-ml graduated cylinder pH meter
Spatula Stirring rod
100-mL beaker Test tubes
Distilled water Petri dish
Stirring rod Alcohol lamp
Glass dropper
These are examples of the 5 rules of asepsis, except:
1. Any item used for patient care or that is visibly soiled must be considered "dirty"
and "contaminated"
2. If the item has been cleaned with a detergent disinfectant, it is both clean and
decontaminated
3. Sterile items are devices processed by steam, dry heat, ethylene oxide or other
sterilization method to kill most organisms
4. Dirty, clean and sterile items must be separated at all times
Chapter 11 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 11.4 - Consumer products including bandages, cotton...Ch. 11.4 - Prob. 2EGCh. 11 - Prob. 1CSCh. 11 - Prob. 2CSCh. 11 - Prob. 3CSCh. 11 - Prob. 1QPCh. 11 - Achondroplasia is an autosomal dominant form of...Ch. 11 - Why is it almost impossible to directly measure...Ch. 11 - What are the factors that influence the mutation...Ch. 11 - Achondroplasia is a rare dominant autosomal defect...
Ch. 11 - Although it is well known that X-rays cause...Ch. 11 - Prob. 7QPCh. 11 - Bruce Ames and his colleagues have pointed out...Ch. 11 - Define and compare the following types of...Ch. 11 - If the coding region of a gene (the exons)...Ch. 11 - Two types of mutations discussed in this chapter...Ch. 11 - Prob. 12QPCh. 11 - A frameshift mutation is caused by a: a....Ch. 11 - In the gene-coding sequence shown here, which of...Ch. 11 - Prob. 15QPCh. 11 - Familial retinoblastoma, a rare autosomal dominant...Ch. 11 - Tay-Sachs disease is an autosomal recessive...Ch. 11 - Replication involves a period of time during which...Ch. 11 - Our bodies are not defenseless against mutagens...Ch. 11 - The cystic fibrosis gene encodes a chloride...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Imagine that you work at the medical examiner’s office for a major metropolitan city. As Chief Medical Officer, you investigate suspicious deaths and provide toxicology services for the county. Unfortunately, it’s been a busy week. In the past five days, seven people have died, all with similar symptoms. It is your job to examine the data and determine the cause of death for these victims.The first was a 12-year-old girl. Her parents said that she was awake in the middle of the night complaining of a stuffy nose and sore throat. They gave her an extra strength Tylenol and sent her back to bed. At 7am the next morning,the parents discovered that the girl had collapsed on the bathroom floor. An ambulance rushed the girl to a nearby hospital, where she was pronounced dead.That same day, paramedics found the second victim unconscious on his kitchen floor after what they thought was an apparent heart attack. Sadly, the victim’s brother and fiancée also collapsed later that night while the…arrow_forwardNitrate plays a role in both catabolic and anabolic reactions in microbes. Present one example of each use of nitrate (one catabolic and one anabolic) and what roles they play in their environments. Make sure to identify a microbe for each process.arrow_forwardIn sterilization, which among the supplies, instruments, glassware, etc. under the list of materials can be sterilized using either or both equipment below? List them down. For "autoclaving" For Dry heat oven Can be sterilized only sterilization with either Materials: 200-ml Erlenmeyer flask Stove 500-ml Erlenmeyer flask Autoclave 10-ml graduated cylinder Analytical balance 100-ml graduated cylinder pH meter Spatula Stirring rod 100-ml beaker Test tubes Distilled water Petri dish Stirring rod Alcohol lamp Glass dropperarrow_forward
- One of the following matches indicatIng early microbial spoilage of pharmaceutical products is incorrect Select one: Microbial pigments / Color changes Amines / Unpleasant fishy smelling and tasting Fatty acids / Sour taste Depolymerization of suspending agents / Production of slimy and viscous massesarrow_forwardName four factors that affect the death rate and effectiveness of any microbial agent.arrow_forwardwhich organism demonstrated resistance to the most chemical agents? what physical property of this organism contributes most to its resistance?arrow_forward
- Indicate the possible source of microbiological contamination and ways to mitigate this problem during production. You may refer to any additional excipient that may be added with your product. Answer the following case study using your own words.arrow_forwardThe major characteristics of chemical control agents as a group include: (Select all that apply) O They may be placed into 3 groups based on strength of control: sterilants, disinfectants and antiseptics O Their primary function is to kill, inactivate or inhibit growth of microbes O They have different toxicities that govern their safe use. O Some of these are so toxic that they must be used under strict supervision and/or restricted placesarrow_forwardThe toxicokinetics of a xenobiotic depends very much on the nature and the structure of the compound. Critically discuss this statement using a persistent organic pollutant as an example.arrow_forward
- True or false? it is possible to kill or remove all microorganisims by hand washing or using hand sanitizer ?arrow_forwardThe EPA, FDA, and others test food and drink for toxicants and contamination. 1)What Toxicant they test for? How they test for the given toxicant? 3) What do the results mean? (is there a healthy range vs. a dangerous range the testing can determine) 4) What these agencies will do or suggest doing to limit or lower contamination levels.arrow_forwardWhat features of ionizing radiation make it a good choice for killing microbes in packaged materials? Ionizing radiation is safe for killing microbes on living surfaces (such as human tissues). Ionizing radiation does not require special instruments or equipment. Ionizing radiation kills endospores. Ionizing radiation is able to penetrate the packaging materials.arrow_forward
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