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Cell Structure, Osmosis, and Diffusion
1. Answer the following questions:a. List four cell structures that are common to both plant and animal cells. (4 points)b ...
Cell Structure, Osmosis, and Diffusion
1. Answer the following questions:a. List four cell structures that are common to both plant and animal cells. (4 points)b. What structures are unique to plant cells? (2 points)c. What structures are unique to animal cells? (2 points)2. Below are five structures observed in cells. List the function of each structure. (5 points)a. Chloroplastsb. Golgi apparatusc. Ribosomesd. Central vacuolee. Rough endoplasmic reticulum3. William is observing a single-celled organism under a microscope and notices that it has a nucleus and iscovered in small, hair-like structures.a. Provide a probable name for this organism (1 point)b. Explain why William came to this conclusion. (2 points)4. Where in the cell are the chloroplasts located? (5 points)5. In the Spirogyra cells observed on the virtual microscope, about how many circular green chloroplasts wereseen in a single cell at 40X magnification? (2 points)6. What were the percent differences between the volumes of the potatoes in the osmosis experiment for eachsalt solution? (8 points)a. 0%b. 1.75%c. 3.5%d. 7%7. What extraneous variables might have affected how the results came out in the osmosis experiment? Describethree. (6 points)a.b.c.8. In osmosis, which direction does water move with respect to solute concentration? (2 points)9. Answer the following questions:a. Explain what would happen to a freshwater unicellular organism if it were suddenly released into asaltwater environment. Use the terms iissottoniicc, hyypottoniicc and hyypeerrttoniicc in the answer. (3 points)b. What would happen if a marine organism were placed in freshwater? (3 points)10. A student purchases and weighs 5 pounds of carrots from a local grocery store. She notices that the grocerystore constantly sprays its produce with distilled water. After returning home, she weighs the carrots again anddiscovers that they weigh only 4.2 lbs. They also no longer seem as crisp and taut. Provide a possibleexplanation for why the carrots weighed more at the store, based on the information learned in this lab. (5points)11. People always say that leeches can be removed from the body by pouring salt on them. Based on what thestudent learned about osmosis, provide an explanation that supports or refutes this information. (5 points)12. What is the surface-to-volume ratio and rate of diffusion for each potato cube from Procedure 3b? (6 points)a. Cube 1 surface-to-volume ratiob. Cube 1 rate of diffusionc. Cube 2 surface-to-volume ratiod. Cube 2 rate of diffusione. Cube 3 surface-to-volume ratiof. Cube 3 rate of diffusion13. Assume the potato cubes are cells. Which cube would be most efficient at moving materials into and out of thecube? Briefly explain the answer. (4 points)14. From what was observed in the potato procedure, how do the rate of diffusion and surface-to-volume ratio limitcell size? (5 points)15. One night, Hans decides to cook a hamburger and spaghetti with meatballs. To test ideas of surface-to-volumeratios, he makes a quarter pound hamburger and a quarter pound meatball and cooks them at the sametemperature. Which food item will cook the fastest and why? (5 points)16. While watching a special on animals, Brianna discovers that hares tend to lose heat through their ears. Based onthis and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hotclimates (such as the desert) have large, extended ears. (5 points)17. ((Applliiccaattiion)) How might the information gained from this lab pertaining to cell structures and diffusion beuseful to you in your everyday life or to a healthcare professional? (20 points)Key components of critical thinking and application include the following:1. Demonstrates application and comprehension of the scientific principles.2. Displays competence in applying scientific knowledge to your personal or professional life.3. Relevant content is supported by facts, data, and detailed examples.4. The application paragraph is organized and structured.CrriittiiccaallTThiinkkiinggaandApplliiccaattiionoffIInfforrmaattiion
CCC Love Potion Oxytocin Discussion
Step 1: Respond to the following: Oxytocin has been a hot topic in regard to mating and in some cases being market ...
CCC Love Potion Oxytocin Discussion
Step 1: Respond to the following: Oxytocin has been a hot topic in regard to mating and in some cases being marketed as a, “love potion.” What are your thoughts about having Oxytocin produced and sold as a cologne, giving unfair advantages to persuasion in certain circumstances?
Relative Age Dating Principles Lab Questions
The Earth is very old and many of its features were formed before people came along to study them. Studying Earth’s past ...
Relative Age Dating Principles Lab Questions
The Earth is very old and many of its features were formed before people came along to study them. Studying Earth’s past is much like detective work—using clues such as positions of rock layers to uncover distinct stories. The work of geologists and paleontologists is very much like the work of forensic scientists at a crime scene. The ability to put events in their proper order is the key to unraveling the hidden story of Earth’s history.Relative dating is a geologic term that describes the set of principles and techniques used to sequence geologic events and determine the relative age of rock formations. You will find that most of these concepts are easy to understand.Upon completing this lab, you should be able to:Describe and interpret the 5 key relative age dating principles.Describe and interpret the 3 different kinds of unconformities.Draw and interpret the geologic history of a cross-section.Read this .pdf for instructions on the lab you will be completing in this unit. An example is also provided with what you will be expected to complete in this lab. Once you have completed your original assignment, please ensure you submit it to the Lab Assignment 5 box.
Biology Assignment
Evaluating Your Own Risk for Inherited DiseaseFor this Assignment you will think about your individual health and health r ...
Biology Assignment
Evaluating Your Own Risk for Inherited DiseaseFor this Assignment you will think about your individual health and health risks. What genetic diseases or problems might you face during your lifetime? Predisposition to heart disease, breast cancer, diabetes? You may consider your own health risks or those of other individuals such as a family member or friend. Then, in a paper of 750–1,000 words, address the following issues:What genetic diseases or problems were determined to be potential issues?Provide an introduction of the disease, outlining the major signs/symptoms of the disorder and the reason why this was selected as a genetic/inherited disease?Research the mode of inheritance for this disease/trait? Why? If you are not able to find a specific mode of inheritance, provide a hypothesis for the mode of inheritance. Explain your thinking here very thoroughly; this should take up about half of the length of the Assignment.What other information would help you draw better conclusions about this disease?What problems did you encounter in gathering information about your family's history or that of the person you interviewed?If you were to have a child, what could you tell him or her about his/her chances of inheriting the diseases based upon your research about the inheritability of the trait you are researching?Finally, visit the library by clicking on the “Library” link on the Campus homepage. Select the option to perform an advanced search. Find two references that pertain to the disease/trait you selected. Record the methods that you used to discover these sources, and answer the following questions:Which search term(s) did you use?Did you use combinations of search terms?Which methods resulted in the most “hits” or results?Did you refine any of your searches? In other words, did you perform an initial search and then further narrow the results?
5 pages
Simple Pendulum Lab
1. The period of a pendulum is defined as the time it takes to complete one full cycle or return to its initial conditions ...
Simple Pendulum Lab
1. The period of a pendulum is defined as the time it takes to complete one full cycle or return to its initial conditions. The time between every ...
2 pages
Isaac Newton
Throughout his life, Isaac Newton was an English physicist, mathematician, astronomer, natural philosopher, alchemist and ...
Isaac Newton
Throughout his life, Isaac Newton was an English physicist, mathematician, astronomer, natural philosopher, alchemist and theologian. He was one of the greatest scientists of all time. He is famous for many things, including the discovery of Calculus, the Laws of Motions, and the Laws of Gravitation.
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Most Popular Content
Cell Structure, Osmosis, and Diffusion
1. Answer the following questions:a. List four cell structures that are common to both plant and animal cells. (4 points)b ...
Cell Structure, Osmosis, and Diffusion
1. Answer the following questions:a. List four cell structures that are common to both plant and animal cells. (4 points)b. What structures are unique to plant cells? (2 points)c. What structures are unique to animal cells? (2 points)2. Below are five structures observed in cells. List the function of each structure. (5 points)a. Chloroplastsb. Golgi apparatusc. Ribosomesd. Central vacuolee. Rough endoplasmic reticulum3. William is observing a single-celled organism under a microscope and notices that it has a nucleus and iscovered in small, hair-like structures.a. Provide a probable name for this organism (1 point)b. Explain why William came to this conclusion. (2 points)4. Where in the cell are the chloroplasts located? (5 points)5. In the Spirogyra cells observed on the virtual microscope, about how many circular green chloroplasts wereseen in a single cell at 40X magnification? (2 points)6. What were the percent differences between the volumes of the potatoes in the osmosis experiment for eachsalt solution? (8 points)a. 0%b. 1.75%c. 3.5%d. 7%7. What extraneous variables might have affected how the results came out in the osmosis experiment? Describethree. (6 points)a.b.c.8. In osmosis, which direction does water move with respect to solute concentration? (2 points)9. Answer the following questions:a. Explain what would happen to a freshwater unicellular organism if it were suddenly released into asaltwater environment. Use the terms iissottoniicc, hyypottoniicc and hyypeerrttoniicc in the answer. (3 points)b. What would happen if a marine organism were placed in freshwater? (3 points)10. A student purchases and weighs 5 pounds of carrots from a local grocery store. She notices that the grocerystore constantly sprays its produce with distilled water. After returning home, she weighs the carrots again anddiscovers that they weigh only 4.2 lbs. They also no longer seem as crisp and taut. Provide a possibleexplanation for why the carrots weighed more at the store, based on the information learned in this lab. (5points)11. People always say that leeches can be removed from the body by pouring salt on them. Based on what thestudent learned about osmosis, provide an explanation that supports or refutes this information. (5 points)12. What is the surface-to-volume ratio and rate of diffusion for each potato cube from Procedure 3b? (6 points)a. Cube 1 surface-to-volume ratiob. Cube 1 rate of diffusionc. Cube 2 surface-to-volume ratiod. Cube 2 rate of diffusione. Cube 3 surface-to-volume ratiof. Cube 3 rate of diffusion13. Assume the potato cubes are cells. Which cube would be most efficient at moving materials into and out of thecube? Briefly explain the answer. (4 points)14. From what was observed in the potato procedure, how do the rate of diffusion and surface-to-volume ratio limitcell size? (5 points)15. One night, Hans decides to cook a hamburger and spaghetti with meatballs. To test ideas of surface-to-volumeratios, he makes a quarter pound hamburger and a quarter pound meatball and cooks them at the sametemperature. Which food item will cook the fastest and why? (5 points)16. While watching a special on animals, Brianna discovers that hares tend to lose heat through their ears. Based onthis and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hotclimates (such as the desert) have large, extended ears. (5 points)17. ((Applliiccaattiion)) How might the information gained from this lab pertaining to cell structures and diffusion beuseful to you in your everyday life or to a healthcare professional? (20 points)Key components of critical thinking and application include the following:1. Demonstrates application and comprehension of the scientific principles.2. Displays competence in applying scientific knowledge to your personal or professional life.3. Relevant content is supported by facts, data, and detailed examples.4. The application paragraph is organized and structured.CrriittiiccaallTThiinkkiinggaandApplliiccaattiionoffIInfforrmaattiion
CCC Love Potion Oxytocin Discussion
Step 1: Respond to the following: Oxytocin has been a hot topic in regard to mating and in some cases being market ...
CCC Love Potion Oxytocin Discussion
Step 1: Respond to the following: Oxytocin has been a hot topic in regard to mating and in some cases being marketed as a, “love potion.” What are your thoughts about having Oxytocin produced and sold as a cologne, giving unfair advantages to persuasion in certain circumstances?
Relative Age Dating Principles Lab Questions
The Earth is very old and many of its features were formed before people came along to study them. Studying Earth’s past ...
Relative Age Dating Principles Lab Questions
The Earth is very old and many of its features were formed before people came along to study them. Studying Earth’s past is much like detective work—using clues such as positions of rock layers to uncover distinct stories. The work of geologists and paleontologists is very much like the work of forensic scientists at a crime scene. The ability to put events in their proper order is the key to unraveling the hidden story of Earth’s history.Relative dating is a geologic term that describes the set of principles and techniques used to sequence geologic events and determine the relative age of rock formations. You will find that most of these concepts are easy to understand.Upon completing this lab, you should be able to:Describe and interpret the 5 key relative age dating principles.Describe and interpret the 3 different kinds of unconformities.Draw and interpret the geologic history of a cross-section.Read this .pdf for instructions on the lab you will be completing in this unit. An example is also provided with what you will be expected to complete in this lab. Once you have completed your original assignment, please ensure you submit it to the Lab Assignment 5 box.
Biology Assignment
Evaluating Your Own Risk for Inherited DiseaseFor this Assignment you will think about your individual health and health r ...
Biology Assignment
Evaluating Your Own Risk for Inherited DiseaseFor this Assignment you will think about your individual health and health risks. What genetic diseases or problems might you face during your lifetime? Predisposition to heart disease, breast cancer, diabetes? You may consider your own health risks or those of other individuals such as a family member or friend. Then, in a paper of 750–1,000 words, address the following issues:What genetic diseases or problems were determined to be potential issues?Provide an introduction of the disease, outlining the major signs/symptoms of the disorder and the reason why this was selected as a genetic/inherited disease?Research the mode of inheritance for this disease/trait? Why? If you are not able to find a specific mode of inheritance, provide a hypothesis for the mode of inheritance. Explain your thinking here very thoroughly; this should take up about half of the length of the Assignment.What other information would help you draw better conclusions about this disease?What problems did you encounter in gathering information about your family's history or that of the person you interviewed?If you were to have a child, what could you tell him or her about his/her chances of inheriting the diseases based upon your research about the inheritability of the trait you are researching?Finally, visit the library by clicking on the “Library” link on the Campus homepage. Select the option to perform an advanced search. Find two references that pertain to the disease/trait you selected. Record the methods that you used to discover these sources, and answer the following questions:Which search term(s) did you use?Did you use combinations of search terms?Which methods resulted in the most “hits” or results?Did you refine any of your searches? In other words, did you perform an initial search and then further narrow the results?
5 pages
Simple Pendulum Lab
1. The period of a pendulum is defined as the time it takes to complete one full cycle or return to its initial conditions ...
Simple Pendulum Lab
1. The period of a pendulum is defined as the time it takes to complete one full cycle or return to its initial conditions. The time between every ...
2 pages
Isaac Newton
Throughout his life, Isaac Newton was an English physicist, mathematician, astronomer, natural philosopher, alchemist and ...
Isaac Newton
Throughout his life, Isaac Newton was an English physicist, mathematician, astronomer, natural philosopher, alchemist and theologian. He was one of the greatest scientists of all time. He is famous for many things, including the discovery of Calculus, the Laws of Motions, and the Laws of Gravitation.
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