EBK BIOLOGY: CONCEPTS AND APPLICATIONS
9th Edition
ISBN: 8220100477805
Author: STARR
Publisher: CENGAGE L
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Chapter 8, Problem 6SQ
Summary Introduction
Introduction:
Chromosome is a structure containing DNA and associated proteins. It carries a part or complete genetic information of a cell.
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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 8 Solutions
EBK BIOLOGY: CONCEPTS AND APPLICATIONS
Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. A-G,...Ch. 8 - Prob. 3SQCh. 8 - Prob. 4SQCh. 8 - Prob. 5SQCh. 8 - Prob. 6SQCh. 8 - Prob. 7SQCh. 8 - When DNA replication begins, _______ . a. the two...Ch. 8 - DNA replication requires ________ . a. DNA...Ch. 8 - Prob. 10SQ
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