Inquiry into Life
16th Edition
ISBN: 9781260482638
Author: Mader, Sylvia
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 20.6, Problem 3LO
Summary Introduction
To analyze:
The definition and two examples of growth factors.
Introduction:
Growth factors are vitamins or hormones required for stimulating growth in living beings. They are naturally found for promoting cell proliferation, healing, and differentiation.
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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.
Explain which domain, kingdom and phylum you believe this plant should be classified…
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A C C
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A C C
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Explain how organisms develop adaptations.
Chapter 20 Solutions
Inquiry into Life
Ch. 20.1 - Prob. 1LOCh. 20.1 - Prob. 2LOCh. 20.1 - Prob. 3LOCh. 20.1 - Prob. 4LOCh. 20.1 - Prob. 1CYPCh. 20.1 - Prob. 2CYPCh. 20.1 - Prob. 3CYPCh. 20.1 - Prob. 4CYPCh. 20.2 - Describe the relationship between the hypothalamus...Ch. 20.2 - Prob. 2LO
Ch. 20.2 - Prob. 3LOCh. 20.2 - Prob. 1QTCCh. 20.2 - Prob. 2QTCCh. 20.2 - Prob. 3QTCCh. 20.2 - Prob. 1CYPCh. 20.2 - Prob. 2CYPCh. 20.2 - Prob. 3CYPCh. 20.2 - Explain why cancer of the pituitary gland, which...Ch. 20.3 - Prob. 1LOCh. 20.3 - Prob. 2LOCh. 20.3 - Prob. 1CYPCh. 20.3 - Prob. 2CYPCh. 20.3 - Prob. 3CYPCh. 20.4 - Prob. 1LOCh. 20.4 - Prob. 2LOCh. 20.4 - Prob. 3LOCh. 20.4 - Prob. 1CYPCh. 20.4 - Summarize how the hormones produced by the adrenal...Ch. 20.4 - Prob. 3CYPCh. 20.5 - Prob. 1LOCh. 20.5 - Prob. 2LOCh. 20.5 - Prob. 1CYPCh. 20.5 - Prob. 2CYPCh. 20.5 - Prob. 3CYPCh. 20.6 - Discuss the role of the testes and ovaries in the...Ch. 20.6 - Prob. 2LOCh. 20.6 - Prob. 3LOCh. 20.6 - Prob. 1CYPCh. 20.6 - List some of undesirable side effects of anabolic...Ch. 20.6 - Prob. 3CYPCh. 20.6 - Prob. 4CYPCh. 20.7 - Prob. 1LOCh. 20.7 - Prob. 2LOCh. 20.7 - Prob. 3LOCh. 20.7 - Prob. 1QTCCh. 20.7 - Prob. 2QTCCh. 20.7 - Currently it's good without a prescription in...Ch. 20.7 - Prob. 1CYPCh. 20.7 - Prob. 2CYPCh. 20.7 - Prob. 3CYPCh. 20.7 - Prob. 4CYPCh. 20 - Prob. F2.22BYBCh. 20 - Prob. S11.5BYBCh. 20 - Prob. S17.3BYBCh. 20 - Prob. 1ACh. 20 - Prob. 2ACh. 20 - Prob. 3ACh. 20 - Prob. 4ACh. 20 - Prob. 5ACh. 20 - Prob. 6ACh. 20 - Thyroid hormone directly regulated with aspect of...Ch. 20 - Which of the following hormones increases blood...Ch. 20 - Prob. 9ACh. 20 - Prob. 10ACh. 20 - Prob. 11ACh. 20 - Prob. 12ACh. 20 - Prob. 13ACh. 20 - Prob. 14ACh. 20 - Prob. 15ACh. 20 - Prob. 1TCCh. 20 - Prob. 2TCCh. 20 - Prob. 3TC
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