Prescott's Microbiology
Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 28.1, Problem 2.2CC
Summary Introduction

All living organisms (plants and animals) require nitrogen. Nitrogen is a chemical element used to generate proteins. Ammonia is a type of nitrogen present in soil and it enters the soil in this organic form from dead and decaying animals and plants waste. Plants unable to absorbs the organic form of nitrogen. Hence, the organic form of nitrogen must be converted into inorganic form, through a process called nitrification.

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In microbiology, the term growth in a culture usually refers to an increase in O 1) the number and size of microbial cells. O 2) the amount of ATP consumed. O 3) a microbe's size. O 4) the number of microbial cells. 5) the amount of ATP produced.
Listen Which of the following regarding controlling microbial growth is true? a) Microbial death rate increases with an increase in temperature b) The more microbes present, the shorter amount of time it will take to kill the population E c) Gram-positive bacteria tend to be more resistant to chemicals than gram- negative bacteria d) Microbial death rate increases as pH approaches 7 (neutral) Previous Page Submit Quiz $ R Next Page 5 of 10 questions saved % H K Page 4 of 10
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Soil Ecology; Author: Prof. Mark Valen;https://www.youtube.com/watch?v=rByV6yvJ-Ho;License: Standard youtube license