Thinking And Doing Ethics

PLEASE make sure this writing assignment is original and has excellent grammar skills.

For this module, you are required to complete a Written Case Analysis (200 words) Times New Roman, 12point font, and MLA. Please read Thinking Critically About Ethical Issues, Case 11, p. 120.Please make sure you Identify the moral issue(s) and the parties involved; identify what virtues are at stake or which relationships of care are at stake.

Case 11.   In studying the subculture of a particular group, a sociologist  must be accepted by the people and gain their trust.  One such researcher is studying the people in an urban slum.  She learns through their confidence that certain members of the community are involved in a car-theft ring.  She does not report them to the police.

PLEASE make sure this writing assignment is original and has excellent grammar skills.

For this module, you are required to complete a Written Case Analysis (200 words) Times New Roman, 12point font, and MLA. Please read Thinking Critically About Ethical Issues, Case 11, p. 120.Please make sure you Identify the moral issue(s) and the parties involved; identify what virtues are at stake or which relationships of care are at stake.

Case 11.   In studying the subculture of a particular group, a sociologist  must be accepted by the people and gain their trust.  One such researcher is studying the people in an urban slum.  She learns through their confidence that certain members of the community are involved in a car-theft ring.  She does not report them to the police.

 
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Lab 3 Mitosis and Meiosis BIO201L

Lab 3 Mitosis and Meiosis BIO201L

Student Name:

Access Code (located on the lid of your lab kit):

 

Pre-Lab Questions

”1. What are chromosomes made of?”

 

”2. Compare and contrast mitosis and meiosis. ”

 

”3. Cancer is a disease related to uncontrolled cell division. Investigate two known causes for these rapidly dividing cells and use this knowledge to invent a drug that would inhibit the growth of cancer cells. ”

 

 

Experiment 1: Observation of Mitosis in a Plant Cell

Table 1: Mitosis Predictions

Predictions Click here to enter text.
Supporting Evidence Click here to enter text.

 

Table 2: Mitosis Data

Chosen Image Click here to enter text.
Stage Number of Cells in Stage Total Number of Cells Calculated % of Time Spent in Stage
Interphase Click here to enter text. Click here to enter text. Click here to enter text.
Prophase Click here to enter text. Click here to enter text. Click here to enter text.
Metaphase Click here to enter text. Click here to enter text. Click here to enter text.
Anaphase Click here to enter text. Click here to enter text. Click here to enter text.
Telophase Click here to enter text. Click here to enter text. Click here to enter text.
Cytokinesis Click here to enter text. Click here to enter text. Click here to enter text.

 

Table 3: Stage Drawings

Cell Stage Drawing REMEMBER: Your drawings should have your name and access code handwritten in the background.
Interphase  
Prophase  
Metaphase  
Anaphase  
Telophase  
Cytokinesis  

 

Post-Lab Questions

”1. Label the arrows in the slide image below with the appropriate stage of the cell cycle. ”

A- Click here to enter text.

B- Click here to enter text.

C- Click here to enter text.

D- Click here to enter text.

E- Click here to enter text.

F- Click here to enter text.

 

”2. What stage were most of the onion root tip cells in? Why does this make sense? ”

Click here to enter text.

”3. As a cell grows, what happens to its surface area : volume ratio? (Think of a balloon being blown up). How is this changing ratio related to cell division? ”

Click here to enter text.

”4. What is the function of mitosis in a cell that is about to divide? ”

Click here to enter text.

”5. What would happen if mitosis were uncontrolled? ”

Click here to enter text.

”6. How accurate were your time predictions for each stage of the cell cycle? ”

Click here to enter text.

”7. Discuss one observation that you found interesting while looking at the onion root tip cells.”

Click here to enter text.

 

Experiment 2: Tracking Chromosomes Through Mitosis

Once you have completed the digital exercise, select the “Results Table” button at the bottom right-hand corner of the screen and select the “Generate PDF” button at the top of the following screen. Insert your download into this document by selecting the Insert > Object > Text from file. Resize if necessary.

 

Post-Lab Questions

1. How many chromosomes were present before mitosis?

Click here to enter text.

1. How many chromosomes did each of the daughter cells contain after mitosis?

Click here to enter text.

1. Cite an example of a type of cell that undergoes mitosis. Why is it important for each daughter cell to contain information identical to the parent cell?

Click here to enter text.

1. Human skin cells divide at a higher rate than neurons (nerve cells). Hypothesize why this may be.

Click here to enter text.

1. Hypothesize what would happen if the sister chromatids did not split equally during anaphase of mitosis.

Click here to enter text.

 

Experiment 3: Following Chromosomal DNA Movement through Meiosis

Part 1: Once you have completed the digital exercise, select the “Results Table” button at the bottom right-hand corner of the screen and select the “Generate PDF” button at the top of the following screen. Insert your download into this document by selecting the Insert > Object > Text from file. Resize if necessary.

 

Parts 2, 3, and 4: Once you have completed the digital exercise, select the “View Data Table” button at the bottom left-hand corner of the home screen. Review your table. If you would like to make any changes, select the “Return” button in the bottom right-hand corner. If you are satisfied with your answers, select the “Generate PDF” button at the top of the screen. Insert screenshots below. Resize if necessary:

 

Post-Lab Questions

How did crossing over affect the genetic content in the gametes? Use your results to support your answer.

Click here to enter text.

What is the ploidy of the daughter cells at the end of meiosis I? What about at the end of meiosis II?

Click here to enter text.

List two differences between meiosis I and meiosis II.

Click here to enter text.

Based on your observations in the digital exercise, what can you conclude about the severity of nondisjunction that occurs in meiosis I as opposed to meiosis II?

Click here to enter text.

Why is it necessary to reduce the number of chromosomes in gametes, but not in other cells?

Click here to enter text.

Blue whales have 44 chromosomes in every cell. Determine how many chromosomes you would expect to find in the following: ”

”Sperm Cell: ” Click here to enter text.

”Egg Cell: ” Click here to enter text.

”Daughter Cell from Mitosis: ” Click here to enter text.

”Daughter Cell from Meiosis II: ” Click here to enter text.

 

Experiment 4: The Importance of Cell Cycle Control

Data:

1. Click here to enter text. 2. Click here to enter text. 3. Click here to enter text. 4. Click here to enter text. 5. Click here to enter text.

 

Post-Lab Questions

”1. Record your hypothesis from Step 1 in the Procedure section here. ”

Click here to enter text.

”2. What do your results indicate about cell cycle control? ”

Click here to enter text.

”3. Suppose a person developed a mutation in a somatic cell which diminishes the performance of the body’s natural cell cycle control proteins. This mutation resulted in cancer yet, but was effectively treated with a cocktail of cancer-fighting techniques. Is it possible for this person’s future children to inherit this cancer-causing mutation? Be specific when you explain why or why not. ”

Click here to enter text.

”4. Why do cells which lack cell cycle control exhibit karyotypes which look physically different than cells with normal cell cycle. ”

Click here to enter text.

”5. What are HeLa cells? Why are HeLa cells appropriate for this experiment? ”

Click here to enter text.

”6. Research the function of the protein called p53. What does this function do? Explain how it can affect cell cycle control. ”

Click here to enter text.

”7. What is the Philadelphia chromosome? How is this chromosome related to cancer? Identify how this chromosome appears physically different on a karyotype than it appears on a karyotype of normal chromosomes. ”

Click here to enter text.

 
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OSMOSIS And DIALYSIS Lab Essay

The format is based on the format used in scientific journal articles where papers have an

introduction, materials and methods, results and discussion. It should be written in 12-point

font (Arial, Helvetica or Calibri), double-spaced and formatted using the APA style for in text

citations and references cited.

• Scientific papers are written in the third person.

o Avoid the use of first person: I, us, we, etc.

• Avoid direct quotes; rather paraphrase

o Inclusion of direct quotes will result in a point deduction.

• Include page numbers on all pages except the title page. The Introduction begins

with page 2. The References Cited page has a page number on it by is on its

own page.

• Include a running head (described below).

DIRECT QUOTES:

Direct quotes are rarely used in scientific writing. This means you must PARAPHRASE (rewrite

the information in your own words). Please consider seeking help at the Writing Center if you

need help with choosing sources, paraphrasing, use of in-text citations, or any other aspect of

writing. The only time direct quotes are used in scientific writing is when changing the quote

would change the meaning of the author’s words. In scientific writing there is a fair amount of

shared language. For example, how many ways can one describe, “add 500 microliters to the

reaction tube?” or “the sample dialyzed for 30 minutes.” Please be sure to include an in-text

citation and reference for all materials that you have to look up. When in doubt, include an intext

citation and reference on the References Cited page.

APA FORMATTING GUIDES:

•https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_styl

e_guide/general_format.html

REQUIRED SECTIONS OF LAB REPORT

• Title page

• Introduction

• (Overview of) Material and methods

• Results

• Discussion

• References cited

All sections should be labeled with their section (e.g. INTRODUCTION, RESULTS) except for the

title page. Each section will be described below:

TITLE PAGE:

The Title page is on separate page from the Introduction. Type your title in upper and

lowercase letters centered in the upper half of the page.

• Title should be centered and in the upper half of the page as

Title here in sentence case

For example,

The effects of body position on electrocardiogram

• The following information should be centered and in the bottom half of the page:

Your name

Date (the due date)

Professor’s name name

Course name/Semester

The title page should also contain a running head (abbreviated title). It is typed in upper case

letters and is located in the top header section of the page, aligned to the right side of the

paper. On the title page include the words, Running head: TITLE OF PAPER. Thereafter don’t

repeat the words Running head; just the running head in all caps. Please note that on the title

page, your page header/running head should look like this:

Running head: ABBREVIATED TITLE

Pages after the title page should have a running head that looks like this:

ABBREVIATED TITLE

APA recommends that your title be no more than 12 words in length and that it should not

contain abbreviations or words that serve no purpose. Your title may take up one or two lines.

All text on the title page, and throughout your paper, should be double-spaced.

INTRODUCTION:

• Briefly introduce the subject of physiology.

• Explain the significance of this project for you as a physiology student.

• Provides sufficient background, leading to main objectives and hypothesis/hypotheses.

METHODS:

• This section should NOT be a detailed narrative of every step in your experimental

process but rather an overview of the general materials and methods. Reference the specific Lab Exercise and provide an overview of the experiment. Professor Thomford is the author of the Lab Exercises. For example:

A solution of 0.5% starch, 10% glucose and 1.5% protein was placed inside a dialysis bag. The bag was placed in a dish of Lugol’s iodine (0.4% Iodine potassium iodide) solution for 30 minutes. After 30 minutes, the contents of the dialysis bag and the solution (environment) were observed for color changes (Lab exercise #, Author last name, year). A change in color to blue in the dialysis bag indicates that the Lugol’s iodine

solution for 30 minutes. After 30 minutes, the contents of the dialysis bag and the solution (environment) were observed for color changes (Lab exercise #, Author last name, year). A change in color to blue in the dialysis bag indicates that the Lugol’s iodine penetrated the dialysis bag and reacted with glucose. It shows the presence

of glucose in a solution. The negative control for the experiment was a dialysis bag

filed with 0.5% starch and 1.5% protein, and the positive control was a bag filed with

0.5% starch, 10% glucose and 1.5% protein. The experimental and control samples

were tested under the same conditions. …

• Summarize the purpose of the test, how it was done, and what a positive and negative

control result should look like. Reference the appropriate Lab Exercise, include in-text

citation(s) and reference(s) on References Cited page.

RESULTS:

• In paragraph format, describe your results.

• Don’t interpret results; just state them.

• Include results for positive and negative controls.

• In addition to the written description of your results, present your data in table and

graph format.

o Tables: Include a descriptive title centered over the top of the table.

o Figures (this includes graphs): should have a title and figure caption below the

figure. The figure caption should very succinctly describe the results. Include a

legend if necessary (blue = group 1, red = group 2,..)

DISCUSSION:

The Discussion section is used to explain and describe the results (in this order please):

• The main goal of this experiment is to….

• All the key results and steps used in your experiment should be included.

• Next discuss the relevance of the experiment performed to an aspect of physiology. For

example, relate the dialysis experiment (Lab 2) to digestion or exchange in the kidneys.

• Follow the APA formatting for in text citations and the works cited page. See below.

REFERENCES CITED:

• Provide the complete in text citation and works cited for all sources referenced in the

paper in APA format. This includes the in text citations and references cited page at the

end of your report.

• References should appear in alphabetical order by the first author’s last name.

• Provide a reference for all facts discussed in the introduction, methods and discussion.

• Include reference to the appropriate Lab Exercise.

APA IN-TEXT CITATION BASICS

When using APA format, follow the author-date method of in-text citation. This means that the

author’s last name and the year of publication for the source should appear in the text, for

example, (Jones, 1998), and a complete reference should appear in the reference list at the end

of the paper.

 
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Kingdom Animalia: The Invertebrates

Kingdom Animalia: The Invertebrates

Margaret Vorndam, M.S. Version 42-0072-00-01

Lab RepoRt assistant

This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.

obseRvations

Data Table 1: Phylum Porifera
Morphology:

Level of

Organization

Ecology

Where

found

Nutrition Reproduction Symmetry Environmental

Role

           
Data Table 2: Phylum Cnidaria/ Phylum Ctenophora
Morphology:

Level of

Organization

Ecology:

Where

found

Nutrition Reproduction Symmetry Environmental

Role

           
Data Table 3: Phylum Platyhelminthes
Morphology:

Level of

Organization

Ecology

Where

found

Nutrition Reproduction Symmetry Environmental

Role

           
Data Table 4: Phylum Nematoda
Morphology:

Level of

Organization

Ecology

Where

found

Nutrition Reproduction Symmetry Environmental

Role

           
Data Table 5: Phylum Rotifera
Morphology:

Level of

Organization

Ecology

Where

found

Nutrition Reproduction Symmetry Environmental

Role

           

Exercise 1: Porifera – The Sponges

2. Purchase a sponge skeleton from a Paint Department. Sponge skeletons are currently popular as paint applicators. Using a hand lens, identify the pores, the spicules and the spongin. What parts of the sponge are no longer present? To which class would the specimen likely belong?

3. Make a drawing of your purchased specimen, and label the parts that you are able to identify. Place your drawing here:

Questions

A. List several beneficial uses of sponges. What is their role in their environment? Could we live without them?

B. List several detrimental effects of sponges, if any.

C. Why are sponges classified as animals?

D. Even though adult sponges do not relocate, why can the species still be considered motile? What is the advantage to the species?

Exercise 2: Phylum Cnidaria and Phylum Ctenophora

Questions

A. List several beneficial aspects of cnidarians. What is their role in their environment? Could we live without them?

B. Why is there concern over the disappearance of the world’s coral reefs?

C. List several detrimental effects of cnidarians, if any.

D. Why are cnidarians classified as animals?

Exercise 3: Phylum Platyhelminthes

3. Do an online search on one of the following parasites to determine its hosts and cycle. Fasciola hepatica (sheep liver fluke), Dipylidium caninum and Taenia (Dog tapeworms), schistosomiasis, and Chinese liver flukes. Write a report on findings. Place your report here:

Questions

A. List several beneficial aspects of platyhelminths. What is their role in their environment? Could we live without them?

B. List several detrimental effects of platyhelminths.

C. List several ways that platyhelminths show increasing specialization over the phyla that you have studied so far.

Exercise 4: Phylum Nematoda

pRoceduRe

1. View the prepared Trichinella slide under a microscope and draw a picture of your specimen. Label the following: pseudocoelom, dorsal nerve network, muscle layer, brain, and mouth. Place your drawing here:

2. Research and describe its life cycle. What stage of its life cycle is represented on the slide?

4. Do an online search on one of parasites mentioned in this section to determine its hosts and cycle. Ascaris lumbricoides can be added to your choices. Write a short report on your findings. Include your references in correct citation syntax. Place your report here:

Questions

A. List several beneficial aspects of nematodes. What is their role in their environment? Could we live without them?

B. List several detrimental effects of nematodes.

C. List several ways that nematodes show increasing specialization over the phyla that you have studied so far.

Exercise 5: Phylum Rotifera

pRoceduRe

2. Do an online search on rotifers. Brachionus is a typical genus example. Write a short report on your findings. Place your report here:

Questions

A. List several beneficial aspects of rotifers. What is their role in their environment? Could we live without them?

B. List several detrimental effects of rotifers, if any.

C. List several ways that rotifers show increasing specialization over the phyla that you have studied so far.

LaboRatoRy summaRy

What have you learned from doing this laboratory that you did not know before you began it?

 
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