BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 38, Problem 3A
Your friend informs you that it is highly likely all of the plants in your yard are “infected” with some kind of
a. Remove all your plants because they are likely to die.
b. Spray your plants with chemicals to remove all bacteria and fungi.
c. Remove all your plants and replace the soil.
d. Do nothing because many of these bacteria and fungi may be beneficial.
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Hydrogen bonds play an important role in stabilizing and organizing biological macromolecules. Consider the four macromolecules discussed. Describe three examples where hydrogen bond formation affects the form or function of the macromolecule.
Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI).
Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN).
Laboratory Analysis:
Body: Large leaves emerging from underground rhizome.
Size: 63 cm
Chromosomal Analysis: Plant body is diploid—chromosome number of 44.
Lignin test: Positive
Cuticle: Present
Leaves: Present—large with branched veins. Underside has sori (containing haploid spores).
Roots: Present—branch from the inside.
Stem: Present—vascular tissue (xylem & phloem) present.
Life History: Diploid sporophyte dominant generation. Haploid spores germinate into heart-shaped, haploid, gametophyte. Water required for fertilization; no seed is produced. Diploid zygote develops into sporophyte.
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CUÁ
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Alanine
A C C
CC G
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Structure X
I
mRNA
Chapter 38 Solutions
BIOLOGY
Ch. 38.1 - Identify the compounds produced by the epidermis...Ch. 38.1 - Prob. 2LOCh. 38.1 - Prob. 3LOCh. 38.2 - Describe the role of secondary metabolites in...Ch. 38.2 - Prob. 2LOCh. 38.2 - Prob. 3LOCh. 38.3 - Prob. 1LOCh. 38.3 - Prob. 2LOCh. 38.4 - Prob. 1LOCh. 38.4 - Prob. 2LO
Ch. 38.4 - Prob. 3LOCh. 38 - Prob. 1IQCh. 38 - Nonnative invasive species are often a threat to...Ch. 38 - Prob. 2UCh. 38 - Prob. 3UCh. 38 - Prob. 4UCh. 38 - Prob. 5UCh. 38 - In response to wounding, a tomato plant first...Ch. 38 - When a cell undergoes a hypersensitive response,...Ch. 38 - The wound response products that bind to digestive...Ch. 38 - If a plant has been attacked by a pathogen, then...Ch. 38 - Prob. 1ACh. 38 - Both plant and animal immune systems can a....Ch. 38 - Your friend informs you that it is highly likely...Ch. 38 - Prob. 4ACh. 38 - You decide to plant a garden with a beautiful...Ch. 38 - Prob. 6ACh. 38 - Prob. 1SCh. 38 - Parasitoid wasps seem like an effective method to...Ch. 38 - Prob. 3S
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