How can the laboratory practices and safety precautions demonstrated in the video help you reduce hazards in your laboratory setting?

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Here is the lab one and this is question answer form.

Read the information and guidelines outlined in the videos, OSHA website, and laboratory manual. Based on your reading and understanding, respond to the following:

  • How can the laboratory practices and safety precautions demonstrated in the video help you reduce hazards in your laboratory setting? How will you incorporate those safety precautions in your laboratory?
  • How should you handle blood cultures and pathogenic strains in a laboratory to minimize contamination and eliminate chances of infection?
  • What are some of the common safety dos and don’ts while working in a microbiology laboratory?
  • What are the safety dos and don’ts in a laboratory? Explain at least five.
 

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Compare and contrasts the anatomy and physiology of blood vessels: arteries, veins and capillaries.

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Utilizing knowledge from your learning and assigned readings, respond to the following questions:

Compare and contrasts the anatomy and physiology of blood vessels: arteries, veins and capillaries. Why are these differences significant in the overall function of the circulatory system? Please be specific.

Provide several examples of factors that cause increases or decreases in peripheral resistance and discuss their effect on overall arterial blood pressure.
Lymphatic and Immune Systems

Utilizing knowledge from your learning and assigned readings, respond to the following questions:

Describe and define the differences between the lymphatic system and immunity.
How do the innate and adaptive immune systems differ in their responses to foreign substances? Provide examples of each system. 

 

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What were the two contributions Darwin made to evolutionary thought?

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1.What were the two contributions Darwin made to evolutionary thought? 

2.Explain the principle of natural selection. 

Your response should be at least 75 words in length. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations 

 

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Summarize the roles cell walls and vacuoles play in regulating plant form

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Summarize the roles cell walls and vacuoles play in regulating plant form by describing: how cell walls limit plant cell growth; how walls and vacuoles act to maximize plant contact with the environment. To do this, begin by describing the structural features of cell walls and telling why contact with the environment is both a favorable and risky prospect for plants; then explain the quantitative basis for maximizing environmental contact.

 

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The Respiratory System

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The Respiratory System

Utilizing knowledge from your learning and assigned readings, respond to the following questions:

What are the primary functions of the respiratory system?
Explain the roles of mucus and cilia in the respiratory system.
Explain the structure and function of the respiratory membrane.
Identify and describe the four distinct events that are collectively called respiration.
After a long scuba diving session on a Caribbean reef, a patient boards a plane to Dallas. He begins to feel pain in his elbow on the flight back to Dallas. What is happening to him?
Explain how hyperventilation and hypoventilation alter levels of carbon dioxide in the blood. 

To support your work, use your course and text readings and also use outside sources. As in all assignments, cite your sources in your work and provide references for the citations in APA format. 

 

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Collect the DNA. Take a photograph and answer the questions in the lab document.

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The purpose of this assignment is to introduce you to basic DNA extraction techniques by isolating and visualizing DNA from a banana. Although this exercise will be completed in your home, it is theoretically the same method scientists use in a laboratory setting to extract DNA from cells.

Directions

Open the link to the document to find the experimental procedure and instructions for extracting DNA from a banana. Once completed, you will submit a photograph of your final result, along with the answers to several questions included in the file.

Follow the detailed directions below:

  1. First, read the full instructions in “Isolating DNA From a Banana,” Isolating DNA From a Banana.docx
  2. Gather your supplies, most of which you may have at home already, others of which are readily available at local grocery stores or pharmacies.
  3. Collect the DNA. Take a photograph and answer the questions in the lab document.
  4. Save the lab document in .rtf, .doc or .docx format. Name it as “Isolating DNA From a Banana_Your Last Name.”
  5. Submit the completed lab document via the link above (the title of this assignment) as an attachment.
 

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Describe the science of the test and the reason for her decision

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Last year Angelina Jolie had a double mastectomy because of results from a genetic test.  Describe the science of the test and the reason for her decision.  Do you agree with her choice, and do you agree with her decision to go public about her choice?  

1 page essay with at least 1 reference

 

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what if there were just 14 deer in this wooded area when the amount of resources in the area decreases and the carrying capacity drops from 15 to 10.

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what if there were just 14 deer in this wooded area when the amount of resources in the area decreases and the carrying capacity drops from 15 to 10. what will happen to this deer population and explain why this will happen?

 

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This is a Q & A forum – you must post your initial ideas before you will be able to view your classmates.

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This is a Q & A forum – you must post your initial ideas before you will be able to view your classmates.

Read to the following: http://www.myhealthnewsdaily.com/2115-female-fedicide-pregnancy-baby-sex.html

Do you believe this is an issue that should be addressed by the introduction of new medical guidelines or laws?  Do you agree or disagree with Dr. Rajendra Kale’s viewpoint?  Explain

Due Dates:

  • Initial post by Monday 3/17 by 9pm
  • A minimum of 2 replies by Friday 3/21 at 9pm

Guidelines for discussion forums:

  • While it is easy to fall into the casual nature of many of our everyday online interactions (such as Facebook or IM), this is a college course and you are expected to maintain a certain level of professionalism.  Keep in mind that you are being evaluated on what you are posting and how it is written.
  • This class is usually taken by a wide range of students with various backgrounds and experiences.  Use the discussions as an opportunity to understand other’s viewpoints on the topic presented.
  • Since a good discussion requires some back and forth between the participants, you are also expected to participate in the discussion throughout the Module.  Students who only access and post to the discussion on a single day may not receive full credit.
  • Please make sure that you are proofreading your contribution prior to its submission.  There is a spell-check feature in the discussion forum that you can find it in the menu on top of where you write your contribution.
 

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