Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 38, Problem 2TYK
Which of the following is a constant source of adult stem cells in a mammal?
a. bone marrow
b. pancreas
c. basal lamina
d. heart muscle
e. kidney
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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…
CUÁ
Glycine
A C C
Newly formed molecule
Glycine Arginine Proline
Alanine
A C C
CC G
GGAUUGGUGGGGC
Structure X
I
mRNA
Adaptations to a Changing Environment
Why is it necessary for organisms to have the ability to adapt?
Why is the current environment making it difficult for organisms like the monarch butterfly to adapt?
Explain how organisms develop adaptations.
Chapter 38 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 38.1 - Prob. 1SBCh. 38.1 - Prob. 2SBCh. 38.2 - Prob. 1SBCh. 38.2 - What are the six major types of connective tissue...Ch. 38.2 - Prob. 3SBCh. 38.3 - Prob. 1SBCh. 38.4 - Prob. 1SBCh. 38 - Which tissue type consisting of sheetlike layers...Ch. 38 - Which of the following is a constant source of...Ch. 38 - A flexible, rubbery protein in connective tissue...
Ch. 38 - Prob. 4TYKCh. 38 - Prob. 5TYKCh. 38 - Lifting weights will most increase the size of:...Ch. 38 - Which muscle types appear striated under a...Ch. 38 - Prob. 8TYKCh. 38 - Prob. 9TYKCh. 38 - Prob. 10TYKCh. 38 - Prob. 11TYKCh. 38 - Prob. 12TYKCh. 38 - Discuss Concepts Near the time of childbirth,...Ch. 38 - Prob. 14TYKCh. 38 - 15. What effect do you think a program of lifting...Ch. 38 - The regulation of temperature in mammals and birds...Ch. 38 - Prob. 17TYKCh. 38 - Prob. 1ITD
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