Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 28, Problem 1CT
Nitrogen deficiency stunts plant growth and causes leaves to turn yellow and then die. Why does nitrogen deficiency cause these symptoms? Hint: Think about which biological molecules incorporate nitrogen atoms.
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Describe the fixation of molecular nitrogen in detail
Nitrogen fixation is the reaction of:
conversion of gaseous N2 into a biologically useful form of nitrogen (NH3).
conversion of gaseous NH3 into a biologically useful form of nitrogen (N2).
reduction of nitrogen to a peptide bond.
fixing gaseous N2 into an unreactive form.
electron transfer to ATP.
Researchers have found that plants growing in soil with a low sulfur concentration suffer
from severe growth inhibition and other structural deformities.
Which of the following is the most likely reason for this outcome?
A Plants in sulfur-deficient soil are unable to synthesize all of their required lipids.
B
с
D
Plants in sulfur-deficient soil are unable to synthesize all of their required
carbohydrates.
Plants in sulfur-deficient soil are unable to synthesize all of their required nucleic acids.
Plants in sulfur-deficient soil are unable to synthesize all of their required proteins.
Chapter 28 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 28 - Prob. 1DAACh. 28 - Prob. 2DAACh. 28 - Prob. 3DAACh. 28 - Prob. 4DAACh. 28 - Prob. 1SQCh. 28 - Decomposing organic matter in soil is called...Ch. 28 - Prob. 3SQCh. 28 - Prob. 4SQCh. 28 - Prob. 5SQCh. 28 - Prob. 6SQ
Ch. 28 - Water evaporation from plant parts is called...Ch. 28 - Prob. 8SQCh. 28 - Prob. 9SQCh. 28 - Sieve tubes are part of ______. a. cortex b....Ch. 28 - With stomata closed, a waterproof cuticle ______....Ch. 28 - Prob. 12SQCh. 28 - Prob. 13SQCh. 28 - Prob. 14SQCh. 28 - Prob. 15SQCh. 28 - Nitrogen deficiency stunts plant growth and causes...Ch. 28 - You just returned home from a three-day vacation....Ch. 28 - Prob. 3CTCh. 28 - Prob. 4CTCh. 28 - Prob. 5CT
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