Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 38, Problem 9WIO
Summary Introduction
To determine:
The changes that would happen if there is no bacteria in the body and also determine the changes in nutrient cycle without bacteria.
Concept introduction:
It is known that human body has several friendly bacteria. These bacteria play some important roles in the human body. Nutrient cycle is the movement of organic and inorganic matter back into the production. In nutrient cycle, the energy moves in unidirectional pathway.
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What would happen in the environment if a toxin eliminated large numbers of denitrifying bacteria in the soil?
Large amounts of nitrates would accumulate within the soil.
O The amount of nitrogen fixation in the nodules would decrease.
O Large amounts of nitrites would be lost from the soil.
O The conversion of atmospheric nitrogen to ammonia would increase.
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Answer the riddle.
We are microorganisms. We are selfless. We make the environment conducive for our other siblings to grow at the expense of our life. Add us to food and we can positively transform it. But don’t be too happy because some of us can spoil it. Name us.
O True
O False
What is a problem using other types of microbes to produce biofuel? *
the Bt gene isn't strong enough
it doesn't produce enough
it takes too long
so far it can't be done
Selective breeding and genetic engineering are the same thing. *
Chapter 38 Solutions
Biology: Concepts and Investigations
Ch. 38.1 - Distinguish among communities, ecosystems, and...Ch. 38.1 - Prob. 2MCCh. 38.1 - Distinguish between habitat and niche.Ch. 38.1 - Prob. 4MCCh. 38.1 - Prob. 5MCCh. 38.1 - Prob. 6MCCh. 38.1 - Prob. 7MCCh. 38.2 - Prob. 1MCCh. 38.2 - Prob. 2MCCh. 38.2 - Prob. 3MC
Ch. 38.2 - Prob. 4MCCh. 38.3 - Identify the trophic levels of a food chain.Ch. 38.3 - Prob. 2MCCh. 38.3 - Prob. 3MCCh. 38.3 - Prob. 4MCCh. 38.3 - Prob. 5MCCh. 38.3 - Prob. 6MCCh. 38.4 - Prob. 1MCCh. 38.4 - Prob. 2MCCh. 38.4 - Prob. 3MCCh. 38.4 - Prob. 4MCCh. 38.4 - Prob. 5MCCh. 38.5 - Prob. 1MCCh. 38.5 - Prob. 2MCCh. 38 - Prob. 1MCQCh. 38 - Cyanobacteria are photosynthetic bacteria that...Ch. 38 - Prob. 3MCQCh. 38 - Prob. 4MCQCh. 38 - A large tree falls over in an old-growth forest,...Ch. 38 - Prob. 6MCQCh. 38 - In a prairie, which trophic level should have the...Ch. 38 - Prob. 8MCQCh. 38 - Prob. 9MCQCh. 38 - Prob. 1WIOCh. 38 - Prob. 2WIOCh. 38 - Prob. 3WIOCh. 38 - Prob. 4WIOCh. 38 - Prob. 5WIOCh. 38 - Prob. 6WIOCh. 38 - Prob. 7WIOCh. 38 - Prob. 8WIOCh. 38 - Prob. 9WIOCh. 38 - 1. Review the definitions of ecology, populations,...Ch. 38 - Prob. 2PIT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Fill in the blanks. In the Nitrogen cycle, into are responsible for converting denitrifying bacteria/ammonium and ammonia/atmospheric nitrogen O nitrifying bacteria/ammonium and ammonia/nitrites and nitrates nitrogen-fixing bacteria/ammonium and ammonia/atmospheric nitrogen Onitrogen-fixing bacteria/ammonium and ammonia/nitrites and nitratesarrow_forwardSome bacteria can fix. gas for plants Answer: here to search hp 近arrow_forwardIdentify the micronutrient. zinc oxygen carbon hydrogenarrow_forward
- To explain: The effect on nitrogen cycle if all bacteria were absent.arrow_forward[ Discuss and react. ] Maximum of 4 sentences. Give science-based arguments. Bt corn directly impacts the farm's ability to carry out its economic functions. From 2003 to 2011, Bt corn consistently beat OH corn by 29% in fulfilling the hunger and poverty thresholds.arrow_forwardUse of Microbes for Improving Food Safety and Quality Yeast Probiotics Please have a whole paragraph explaining how these 2 microbes improve the food safety and quality, I would like it to be really detailedarrow_forward
- True or false. An agroecosystem is when you have farm animals only interacting with the plants on the farm.arrow_forwardacid rain appear nutrient deficient. How čân you explain this 3. Your instructor challenges you to design an experiment to test the mutualistic relationship between Rhizobium and its legume pea- plant partner. He provides you with radioisotopes of N2 and CO2 gases. What experiment can your group design that would show the relationship between the pea-plant host and the bacterium partner is mutualistic? Search entries or author Unreadarrow_forwardA new enzyme (protein) that helps protect a bacterial cell from reactive oxygen species (causing oxidative stress) has been discovered. It can be expected that the gene that codes for this enzyme will be expressed in phase of growth. order to make the enzyme in the lag Not very likely. They just got transferred to fresh new medium, how much stress can they be under? O stationary O late log O logarrow_forward
- A bacterium that does not have all the enzymes of central metabolism: Can produce all the precursor metabolites it needs from malate Will not be a viable cell and will quickly die Can produce all the precursor metabolites it needs from glucose Will not grow without being supplied precursor metabolites.arrow_forwardB. What effect would the loss of nitrogen fixers have on the nitrogen cycle and the world? Justify your answer.arrow_forwardThe basic nutritional requirements of microorganisms are an energy or carbon source,an available nitrogen source, inorganic elements, and for some cell types, specific growth factors. Explain this statementarrow_forward
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