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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Chapter 34.1, Problem 1SB
Summary Introduction
To review:
The water potential and its importance in plant cells.
Introduction:
Water potential describes how water molecules freely move in a particular environment or system. It is denoted by kilopascals (kPa) or psi (ѱ). The value of water potential always remains negative but it has a maximum value of 0, which is considered as the purest form.
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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 34 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 34.1 - Prob. 1SBCh. 34.1 - Prob. 2SBCh. 34.1 - Explain how the apoplastic, symplastic, and...Ch. 34.2 - Prob. 1SBCh. 34.2 - Prob. 2SBCh. 34.3 - Prob. 1SBCh. 34.3 - Prob. 2SBCh. 34.3 - Prob. 3SBCh. 34.4 - Prob. 1SBCh. 34.4 - Prob. 2SB
Ch. 34.5 - Compare and contrast translocation and...Ch. 34.5 - Prob. 2SBCh. 34 - Prob. 1TYKCh. 34 - Prob. 2TYKCh. 34 - Prob. 3TYKCh. 34 - Prob. 4TYKCh. 34 - Prob. 5TYKCh. 34 - Prob. 6TYKCh. 34 - Prob. 7TYKCh. 34 - Prob. 8TYKCh. 34 - An indoor gardener leaving for vacation completely...Ch. 34 - Prob. 10TYKCh. 34 - Prob. 11TYKCh. 34 - Prob. 12TYKCh. 34 - Discuss Concepts Concerns about global climate...Ch. 34 - Prob. 14TYKCh. 34 - Apply Evolutionary Thinking A variety of...Ch. 34 - Prob. 1ITDCh. 34 - Prob. 2ITDCh. 34 - Prob. 3ITD
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