Consider homeostasis as a characteristic of life which means it must be an important factor in a healthy human body. What is the definition of homeostasis and what is a specific human body example? Explain what could happen if the body did not maintain homeostasis for an extended period.
Instructions: Review the following online presentations then provide constructive feedback and discuss what you learned from the information presented. Support your work using academic sources.
CLASSMATE #1 Cleary, Toni-Ann (100 words min + 1 academic source):
https://stu.instructure.com/files/1718182/download?download_frd=1&verifier=33YI1PRPcNds2bQcWX52ze4P1OO4QdicE0cgXbT1
CLASSMATE #2 Neely, Marsha D. (100 words min + 1 academic source):
https://stu.instructure.com/files/1729537/download?download_frd=1&verifier=aRfKv6FAckXV8zMigcH2pMDRx42doJNdG3oUFs1d
If the link is not active, simply copy and paste the link into your browser.
Instructions: Review the following online presentations then provide constructive feedback and discuss what you learned from the information presented. Support your work using academic sources.
CLASSMATE #1 Cleary, Toni-Ann (100 words min + 1 academic source):
https://stu.instructure.com/files/1718182/download?download_frd=1&verifier=33YI1PRPcNds2bQcWX52ze4P1OO4QdicE0cgXbT1
CLASSMATE #2 Neely, Marsha D. (100 words min + 1 academic source):
https://stu.instructure.com/files/1729537/download?download_frd=1&verifier=aRfKv6FAckXV8zMigcH2pMDRx42doJNdG3oUFs1d
If the link is not active, simply copy and paste the link into your browser.
Discuss the categories that organisms can be grouped in based on their nutritional requirements. Find one microorganism, either a prokaryote or eukaryote, and describe the environment in which it lives. (Does it live underwater? On skin? In soil? Give as many details as possible!) To complete your initial post, you will then use the vocabulary we discussed to classify it based on its nutritional needs and environmental requirements. (Is it a halophile? A chemoheterotroph? Use as many terms as you can!)
Use for the discussion the prokaryotic bacteria Mycobacterium tuberculosis as the microorganism.
Minimum length of 3 pages of text, double-spaced, not including pictures and figures. 20 points.
Lab Report must include the following sections (separated by bold headers corresponding to those below). 5 points.
o Introduction: 2-3 paragraphs introducing the biological concepts covered in the lab, including references to sources. Last paragraph of introduction should contain 2-3 sentences introducing the lab design. 40 points.
o Methods: 2-3 paragraphs detailing the methods that you used to perform the lab. Do not cut and copy these from the lab manual. Write these in sentence form and do not use numbers or bullet pointed lists. Include every detail you performed so that the reader would be able to perform the lab exactly as you did if they were trying to repeat it. Include pictures/diagrams where necessary. 40 points.
o Results: 2-3 paragraphs summarizing the results of the experiment. Use the Lab manual as a guide for the type of information to include here. Create figures (bar plots, scatterplots, etc) in Microsoft Excel from the completed tables from the Lab manual. Do not insert the tables from the Lab manual into the document, as I expect further synthesis of these results. Insert pictures of the completed experiment. 40 points.
o Discussion & Conclusion: 2-3 paragraphs discussing the results of the experiment, what the results mean, and how they relate to the biological concept under study. Reference outside sources where appropriate. Discuss 2-3 errors while avoiding the term human error. (Random Error and Systematic Error) Include a paragraph on your experience and impressions of the lab and what you learned. 40 points.
o References: Include MLA properly formatted references and in-text citations. A minimum of three sources are required. (See Purdue OWL). 15 points.
Instructions:
Using the paper from order #741103 as foundation, complete a paper on the Biological Psychology of Poverty in low income students. Here are your headers:
– Background of the topic and value of the information to your audience.
– Present the neural basis of your topic and highlighting recent research on these brain mechanisms. Include the names and functions of specific anatomical regions and any relevant points about cell function, neurotransmitters, or other cellular and molecular mechanisms.
– Present the practical implications of this biological and psychological knowledge. How do these issues affect people and society? How are they affected by technology, society, genetics, and the environment?
– Explain and give examples of the most notable consequences to individuals and groups or highlight other primary topics of concern and application within this field.
– Conclusion: Emphasize the take-home message and value of the information.
Minimum length of 3 pages of text, double-spaced, not including pictures and figures. 20 points.
Lab Report must include the following sections (separated by bold headers corresponding to those below). 5 points.
o Introduction: 2-3 paragraphs introducing the biological concepts covered in the lab, including references to sources. Last paragraph of introduction should contain 2-3 sentences introducing the lab design. 40 points.
o Methods: 2-3 paragraphs detailing the methods that you used to perform the lab. Do not cut and copy these from the lab manual. Write these in sentence form and do not use numbers or bullet pointed lists. Include every detail you performed so that the reader would be able to perform the lab exactly as you did if they were trying to repeat it. Include pictures/diagrams where necessary. 40 points.
o Results: 2-3 paragraphs summarizing the results of the experiment. Use the Lab manual as a guide for the type of information to include here. Create figures (bar plots, scatterplots, etc) in Microsoft Excel from the completed tables from the Lab manual. Do not insert the tables from the Lab manual into the document, as I expect further synthesis of these results. Insert pictures of the completed experiment. 40 points.
o Discussion & Conclusion: 2-3 paragraphs discussing the results of the experiment, what the results mean, and how they relate to the biological concept under study. Reference outside sources where appropriate. Discuss 2-3 errors while avoiding the term human error. (Random Error and Systematic Error) Include a paragraph on your experience and impressions of the lab and what you learned. 40 points.
o References: Include MLA properly formatted references and in-text citations. A minimum of three sources are required. (See Purdue OWL). 15 points.
Discuss the categories that organisms can be grouped in based on their nutritional requirements. Find one microorganism, either a prokaryote or eukaryote, and describe the environment in which it lives. (Does it live underwater? On skin? In soil? Give as many details as possible!) To complete your initial post, you will then use the vocabulary we discussed to classify it based on its nutritional needs and environmental requirements. (Is it a halophile? A chemoheterotroph? Use as many terms as you can!)
Use for the discussion the prokaryotic bacteria Mycobacterium tuberculosis as the microorganism.
Introduction
All living things are composed of cells, the basic structural and functional unit of living organisms that are capable of independent functioning. Cells vary in size, generally ranging from 10 µm to 100 µm, with animal cells being the smallest and plant cells being the largest in size.
One of the basic principles of biology, proposed by Theodor Schwann and Matthais Schleiden in 1836, is cell theory which is defined in the following three statements:
All living organisms are composed of one or more cells, which can be unicellular (one cell) or multicellular (more than one cell).
The cell is the basic unit of life.
New cells arise from pre-existing cells.
Cells are divided into one of two major classifications, eukaryotic or prokaryotic.
A eukaryotic cell contains a membrane-bound nucleus and organelles. An organelle is a membrane-bound structure within a cell that provides a specific cellular function; each organelle has a specific job to do. It is the presence of a nucleus that gives eukaryotes their name, and is derived from the Greek words eu, meaning “good” and karyon, which means “nut or kernel.” Organisms that contain eukaryotic cells are referred to as eukaryotes. All large organisms, including plants, fungi, and animals, are examples of eukaryotes. Some unicellular organisms are also eukaryotes.
A cell that lacks a membrane-bound nucleus is a prokaryotic cell. The word prokaryote is a combination of the Greek words pro, which means “before,” and karyon, which means “nut or kernel.” Organisms that contain prokaryotic cells are referred to as prokaryotes. Most prokaryotes are single-celled, although some are multicellular. Bacteria and archaea are examples of prokaryotes. Archaea was not discovered as a major domain of life until the late 1970s by Dr. Carl Woese at the University of Illinois.Adapted from Hands-on Labs.
Viruses
“From single-celled organisms to human populations, viruses affect all life on earth, often determining what will survive. But viruses themselves also evolve. New viruses, such as the AIDS-causing HIV-1, may be the only biological entities that researchers can actually witness come into being, providing a real-time example of evolution in action.” Villarreal, L. P. (2004). Are viruses alive? Scientific American-American Edition, 291, 100-105. (Links to an external site.)
Learning Objectives
Identify and label the key features/organelles of cells from plants, animals, and bacteria.
Classify cells as prokaryotic or eukaryotic and compare and contrast features of each.
Summarize the key functions of cell organelles.
Watch the following videos:
1https://youtu.be/cj8dDTHGJBY
2https://youtu.be/9UvlqAVCoqY
Follow the directions in the Lab 4 Procedures. Your work should be neat, and your name and date should be on your cell models. Bonus points will be given for creativity.
Upload the photos of your three cells (make sure the images are clear).
Discuss the categories that organisms can be grouped in based on their nutritional requirements. Find one microorganism, either a prokaryote or eukaryote, and describe the environment in which it lives. (Does it live underwater? On skin? In soil? Give as many details as possible!) To complete your initial post, you will then use the vocabulary we discussed to classify it based on its nutritional needs and environmental requirements. (Is it a halophile? A chemoheterotroph? Use as many terms as you can!)
Use for the discussion the prokaryotic bacteria Mycobacterium tuberculosis as the microorganism.
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