Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 37, Problem 9TYK
Summary Introduction
Introduction: In agriculture, genetically modified plants are widely used. Genetic engineering, also termed as genetic manipulation or genetic modification is a technology used to direct manipulation of an organism’s gene. Using this technology, resistant plants can be cultivated and more nutritious foods can be obtained.
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Plant root nodules are
A. formed from gall-rotting bacteria that decompose plant roots.
B. harmful to plants, because the bacteria outcompete the plants for nutrients.
C.sites where nitrogen fixation occurs.
D. structures created by fungi and are found in all agricultural crops.
The passive process of moving carbohydrates throughout a plant is calleda. transpiration.b. translocation.c. translation.d. evaporation.
Which of the following is the function of cytokinin?
A. activation of defense response from biotrophic and hemi-biotrophic pathogens
B. structurally related to animal steroid hormones for growth and development
C. long distance (root-to-shoot) signals for nitrogen assimilation
D. defense from necrotrophic pathogens and herbivore insects
Chapter 37 Solutions
Study Guide for Campbell Biology
Ch. 37 - Describe the characteristics of a fertile soil.Ch. 37 - Prob. 2IQCh. 37 - Prob. 3IQCh. 37 - Prob. 4IQCh. 37 - Prob. 5IQCh. 37 - Prob. 6IQCh. 37 - Prob. 7IQCh. 37 - Prob. 1SYKCh. 37 - What are the similarities and differences between...Ch. 37 - The most fertile type of soil is usually a. sand,...
Ch. 37 - Which of the following is not a principle of...Ch. 37 - Prob. 3TYKCh. 37 - Which soil component is associated with higher...Ch. 37 - Prob. 5TYKCh. 37 - Prob. 6TYKCh. 37 - Prob. 7TYKCh. 37 - Prob. 8TYKCh. 37 - Prob. 9TYKCh. 37 - Nitrogenase a. is an enzyme complex that reduces...Ch. 37 - Prob. 11TYKCh. 37 - Prob. 12TYKCh. 37 - The nitrogen content of some agricultural soils...Ch. 37 - Using a technique called metagenomics, researchers...Ch. 37 - Prob. 15TYK
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- What effect would a decrease on sulfur assimilation have in plants? Select one: a. a decrease in protein synthesis b. a decrease in glutamine concentration c. an increase in photosynthesis d. an increase in glutamine concentration e. an increase in glutathione concentrationarrow_forwardChloroplasts and mitochondria both possess internal membranes. Which of the following is true regarding these membranes? A. Enzymes embedded in these membranes catalyze the synthesis and hydrolysis of glucose B. These membranes are vestiges of pre-symbiotic development and serve no purpose. C. Proton gradients develop across these membranes and power ATP synthesis. D. These membranes contain gaseous products of photosynthesis and cellular respiration.arrow_forwardSoil pH affects availability of nutrients for root absorption. The following statements are true except* a. Low pH results in an increase in Aluminum toxicity. b. Low pH results to unavailability of major nutrient elements. c. Toxic metals are more available in acidic soil. d. Low pH results in slow activity of soil-inhabiting microorganisms.arrow_forward
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- Nitrogen deficiency stunts plant growth and causesleaves to turn yellow and then die. Why does nitrogendeficiency cause these symptoms? Hint: Think aboutwhich biological molecules incorporate nitrogen atoms.arrow_forwardThe two pictures below are two soil profiles that typically form in under different types of vegetation, but can also occur relatively close together: 20 40 First, using morphological clues learned in lab, define what these two soil orders are. Be sure to indicate which soil is which (e.g., "the soil of the left is."). Then describe which CIORPT factor and which soil forming.process is probably most important in determining the difference between these two soil types are fairly close to one another?arrow_forwardAnna conducted an experiment that aimed to determine the deficiency symptoms of tomato plants placed in a hydroponic solution. Six bottles were prepared, and each bottle, except for the positive control, lacked a certain micronutrient. In the positive control, all nutrients were provided. Unexpectedly, the control setup still showed symptoms of micronutrient deficiency. Students later on found out that the relative humidity in the room was very high and transpiration was affected. 1.Explain the appearance of these symptoms in the positive control set-up in lieu of the importance of transpiration? 2.Theoretically, how will thermoregulation of tomato plants be affected if transpiration will not occur 3. Discuss internal factors that could affect the rate of transpiration of the tomato plant.arrow_forward
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