Art 112 Week 1
Art 112 Week 1 art 112
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This 2 page Class Notes was uploaded by Kelly Tompkins on Monday September 5, 2016. The Class Notes belongs to art 112 at California Polytechnic State University San Luis Obispo taught by Thomas DePasquale in Fall 2016. Since its upload, it has received 17 views. For similar materials see Survey of Western Art in Art History at California Polytechnic State University San Luis Obispo.
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Date Created: 09/05/16
Name: Kelly Tompkins Bio 11101 Winter 16 Written Assignment #2 Ecosystems of The Human Body (15 pts) Due 3/9 The human body has its own ecosystem! It is home to bacteria, archaea, fungi, protists, viruses and microscopic animals. In fact, only about 10% of the cells traveling through life with you are your own. Go to: http://learn.genetics.utah.edu/content/microbiome/ Use this resource to answer the questions below: Please use complete sentences. 1. What is a microbiome? A microbiome is the full collection of genes of all microbes in a community. 2. What part of the body is home to the most diverse population of microbes? The large intestine has the most diverse population of microbes. 3. Why do different parts of your body have different microbial communities? Each part of our body has a unique environment that requires different adaptations for the microbial communities to be able to survive. 4. Where do our first set of microbes come from? Our first set of microbes come from our mothers. 5. What causes our microbiome to change as we get older? As we get older our microbiome changes due to changing nutrition and family and parental influences. It can change from diseases and stress as well as puberty and other life events. It is constantly changing. 6. Why do microbial populations vary among individuals of the same age? Microbial populations vary among individuals of the same age because so many things affect our body’s ecosystem. It can vary based on diet, gender, health, occupation, hygiene, etc. so there is lots of variability. 7. What is a disease related to microbes? How do microbes cause this disease? Acne is a disease related to microbes. It occurs when P. acnes invades hair follicles and causes irritation and infection. 8. Microbes can also be helpful to us! a. How do microbes protect us from infection? Microbes protect us from infection by training the immune system to keep away harmful bacteria. b. How do microbes help our brains develop? Microbes help our brains develop by helping brain cells to divide. They may help learning and memory as well. 9. Microbes form symbiotic relationships with many organisms. a. How do microbes benefit herbivores? Microbes live in the guts of herbivores which helps them break down some of the plant that they can’t digest otherwise. They help break down toxins and complex carbohydrates into something the animals can absorb. b. Why does this benefit vary among different species of herbivores? The benefit differs among different species because of the environments they live in. 10. Sometimes we need to control a serious bacterial infection with antibiotics. Macrolides are a type of antibiotic. How does this type of antibiotic kill bacteria? Macrolides help kill bacteria by blocking bacterial ribosomes and preventing them from building proteins. 11. The overuse of antibiotics can cause resistance to evolve in a population. What is the difference between acquired and intrinsic resistance? Acquired resistance is when bacteria changes in a way to protect it from the antibiotic. Intrinsic resistance is just naturally being able to avoid the antibiotic. An example of this would be not having a cell wall when the antibiotic is designed to destroy cell walls. 12. What are two approaches used by healthcare providers to to prevent antibiotic resistance? a. Broad spectrum approach multiple antibiotics attacking in different ways b. Doctors won’t prescribe antibiotics unless they are absolutely necessary.
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