Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 1, Problem 14CT
The ability of farmers around the world to produce crops such as corn, wheat and rice is often limited by the lack of nitrogen-based fertilizer. How might scientists use Beijerinck’s discovery to increase world supplies of grain?
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Why is nitrogen used in fertilizer when there's so much N2 in the air
The practice of crop rotation uses nitrogen fixation to create fertile fields. First, a plant without a nitrogen-fixing relationship, such as corn, is planted. After the harvest, a nitrogen-fixing plant replaces the initial crop. Instead of harvesting the nitrogen-fixing plant, however, it is plowed under. The cycle continues in this manner. Why would nitrogen-fixing plants be plowed under instead of harvested?
a) To increases usable nitrogen in the soil.
b) To increase water retention.
c) Nitrogen-fixing plants are not a food crop.
d) To decrease bacteria in the soil.
please name some agricultural crops that crave nitrogen
Chapter 1 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 1 - What does the science of microbiology study?Ch. 1 - Are most microorganisms harmful or harmless to...Ch. 1 - Patty is a mother to 14-year-old twins and works...Ch. 1 - What scientific device did van Leeuwenhoek create?Ch. 1 - Prob. 2MICCh. 1 - Van Leeuwenhoek described bacteria, archaea,...Ch. 1 - All eukaryotic cells contain most of their genetic...Ch. 1 - What term describes the idea that living organisms...Ch. 1 - The investigations of which researcher finally...Ch. 1 - Today we understand that yeasts and bacteria can...
Ch. 1 - What industry has the work of Pasteur most...Ch. 1 - Which researcher ultimately gave us a method for...Ch. 1 - Which researcher developed the staining technique...Ch. 1 - Prob. 11MICCh. 1 - The use of antiseptic chemicals during surgical...Ch. 1 - Prob. 13MICCh. 1 - Some people consider Leeuwenhoek the Father of...Ch. 1 - Why might Nightingale be considered the Mother of...Ch. 1 - Prob. 3TMWCh. 1 - In the late 18th century, Philadelphia was one of...Ch. 1 - Emerging Disease Case Study Variant...Ch. 1 - Prob. 1MCFUCh. 1 - Dr. Andrews has a lot of questions tot Patty. When...Ch. 1 - Which of the following microorganisms are not...Ch. 1 - Prob. 2MCCh. 1 - In which habitat would you most likely find...Ch. 1 - Of the following scientists, who first promulgated...Ch. 1 - Which of the following scientists hypothesized...Ch. 1 - Prob. 6MCCh. 1 - Prob. 7MCCh. 1 - Prob. 8MCCh. 1 - Prob. 9MCCh. 1 - The laboratory of Robert Koch contributed which of...Ch. 1 - Prob. 1FIBCh. 1 - Prob. 2FIBCh. 1 - Chemotherapy _______________Ch. 1 - Prob. 4FIBCh. 1 - Infection control _______________Ch. 1 - Prob. 6FIBCh. 1 - Epidemiology _______________Ch. 1 - Biotechnology _______________Ch. 1 - Prob. 9FIBCh. 1 - Why was the theory of spontaneous generation a...Ch. 1 - Discuss the significant difference between the...Ch. 1 - List six types of microorganisms.Ch. 1 - Defend this statement: The investigations of...Ch. 1 - Why would a macroscopic tapeworm be studied in...Ch. 1 - Describe what has been called the Golden Age of...Ch. 1 - List four major questions that drive...Ch. 1 - Prob. 8SACh. 1 - Prob. 9SACh. 1 - What does the term HAI (nosocomial infection) have...Ch. 1 - Match each of the following descriptions with the...Ch. 1 - Prob. 1VICh. 1 - Prob. 2VICh. 1 - If Robert Koch had become interested in a viral...Ch. 1 - In 1911, the Polish scientist Casimir Funk...Ch. 1 - Haemophilus influenzae does not cause flu, but it...Ch. 1 - Just before winter break in early December, your...Ch. 1 - Design an experiment to prove that microbes do not...Ch. 1 - Prob. 6CTCh. 1 - Compare and contrast the investigations of Redi,...Ch. 1 - If you were a career counselor directing a student...Ch. 1 - A few bacteria produce disease because they derive...Ch. 1 - How might the debate over spontaneous generation...Ch. 1 - French microbiologists, led by Pasteur, tried to...Ch. 1 - Why arent Kochs postulates always useful in...Ch. 1 - Albert Kluyver said, From elephant to ......Ch. 1 - The ability of farmers around the world to produce...Ch. 1 - Prob. 15CTCh. 1 - Using the following terms, fill in the following...
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- You decide to perform a simple experiment to determine whether nitrogen or phosphorus is a more limiting nutrient in a pond in your backyard. Using a curtain that does not allow water, nutrients, or organisms to pass through, you divide your pond into four equal-sized quadrats (like a pie with four pieces). You randomly apply one of the following treatments to each quadrat: no nutrients (control), nitrogen only, phosphorus only, nitrogen and phosphorus. After 10 days, you measure net primary productivity (NPP) in each quadrat of your pond. You find the following results: Control NPP = 1.2 g C/m2/d; nitrogen only NPP = 1.3 g C/m2/d; phosphorus only NPP = 2.8 g C/m2/d; nitrogen and phosphorus added NPP = 2.8 g C/m2/d. Which is true about nutrient limitation in your pond? Nitrogen and phosphorus are both limiting nutrients Nitrogen is the only limiting nutrient Neither nutrient is limiting Phosphorus is the only limiting nutrientarrow_forwardMacronutrients derives from the Greek prefix makro-, which means which of the following? Small Large Far Neararrow_forwardcan someone please help me to answer questions a-b thank you 1In a trophic pyramid, each level is smaller than the one below. a) What does the size of each level represent? b) How much energy is transferred from level to level? c) Explain why the levels get smaller as the trophic pyramid goes up.arrow_forward
- The practice of crop rotation uses nitrogen fixation to create fertile fields. First, a plant without a nitrogen-fixing relationship, such as corn, is planted. After the harvest, a nitrogen-fixing plant replaces the initial crop. Instead of harvesting the nitrogen-fixing plant, however, it is plowed under. The cycle continues in this manner. Crop rotation would allow the farmer to reduce which of the following? a) Planting seeds. b) Watering the fields. c) The use of manufactured fertilizer. d) The burning of fossil fuels by farm equipment.arrow_forwardWhy do you think high nitrogen rates resulted in an increased incidence of rice diseases in general? How do you think it is related to the increase of insect populations?arrow_forwardI’m having hard time finding the answer can you please help?arrow_forward
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