Entries by Vismak Mak

Why are enzymes critical to the function of cells? That is, why not simply let chemical reaction occur without interference?

April 16, 2019 in /by

1) Why are enzymes critical to the function of cells? That is, why not simply let chemical reaction occur without interference? 2) What type of molecules are enzymes (i.e., lipids, nucleic acids, etc)? 3) What wavelengths of light are best suited for use in photosynthesis? 4) Why is photosynthesis critical to nearly every life form, […]

 

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What are the unique characteristics of water that allow it to support life on earth?

April 16, 2019 in /by

1) What are the unique characteristics of water that allow it to support life on earth? 2) List 5 organelles and their essential functions. 3) List 3 features of plant cells that are not present in animal cells. 4) What are the key differences between RNA and DNA in structure/ composition? In function in the […]

 

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Mycobacterium avium-intracellulare is prevalent in AIDS patients.

April 16, 2019 in /by

In this case history, a 49 year-old man handled a parakeet with a respiratory illness on February 7. On March 9, he experienced intense pain in his legs, followed by severe chills and headaches. On March 16, he had chest pains, cough, and diarrhea, and his temperature was 40°C. Appropriate antibiotics were administered on March […]

 

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Why is the Hardy-Weinberg law useful?

April 16, 2019 in /by

1) Why is the Hardy-Weinberg law useful?2) Define genetic drift.3) What factors influence the mutation rate of a population? 4) Briefly explain the difference between stabilizing selection, directional selection, and disruptive selection.5) Why are layers of sedimentary rocks particularly useful for geochronology?6) Choose three biomes and briefly describe their characteristics (including climate, common organisms, etc). […]

 

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To prevent a lethal epidemic in the United states all those living in the U.S. must receive the vaccine.

April 16, 2019 in /by

A new strain of avian (bird) virus has popped up in China and has health officials at the World Health Organization are worried. They fear it may jump across species and infect humans, causing a pandemic. The virus is 100% lethal in birds, killing them within 24 to 48 hours. A human vaccine against the […]

 

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Which population of vesicles has a surface similar to that of the cell? Why?

April 16, 2019 in /by

Your friend has isolated plasma membranes and reassembled the membranes into small vesicles. Using fluorescently labeled lectin, he sees that some of his vesicles are fluorescently labeled and some are not. Recall that lectin binds to carbohydrates. Furthermore, his labeled lectin cannot permeate membranes. A. Which population of vesicles has a surface similar to that […]

 

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Find and write a 300-400 word summary of a popular media that covers the same topic as the scholarly paper.

April 16, 2019 in /by

Write a 300-400 word summary of the scholarly article you selected (attached). ~Find and write a 300-400 word summary of a popular media that covers the same topic as the scholarly paper. Acceptable popular media sources include sources like:  Traditional newspapers, Magazines and Credible websites. NO Wikipedia! ~Write a 500 word critique comparing both articles. […]

 

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Natural Gas Pipelines

April 16, 2019 in /by

Go to Kinder Morgan: Natural Gas Pipelines http://pipeline.kindermorgan.com/StaticContentManager.aspx?control=ngpl and click on “Informational Postings,” then “Tariff.” Under “Currently Effective Rates,” click on “Rate Schedule FTS Peak.” Look at the “Reservation” and “Commodity” Rates for moving gas from the Midcontinent Region to the Market Region. Using the “Lesson 5: Rate Calculations” spreadsheet in the “Lesson Resources” folder […]

 

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If the gene for tall (T) plants is dominant over the gene for short (t) plants , what would be the result of crossing two Tt plants?

April 16, 2019 in /by

1- If the gene for tall (T) plants is dominant over the gene for short (t) plants , what would be the result of crossing two Tt plants?  2-After crossing Ss Yy with SsYy individual, what fraction of the offspring are predicted to have genotype that is heterozygous for both characteristics?    “Looking for a […]

 

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