BIOLOGY
5th Edition
ISBN: 9781264104680
Author: BROOKER
Publisher: MCG
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Chapter 21.4, Problem 1CC
Summary Introduction
To explain: The two reasons due to which group of species shown in part (a) varies in their total amount of DNA.
Introduction: There exists a wide variety of organism in the environment. Different organisms have different types of genomes that make them unique. Animal and plants are highly different from each other. However, they both belong to the category of eukaryotes. Similarly, there are various similar species that share a difference in their total amount of DNA.
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there are about 28,000 copies of zinc finger domains in the human genome, most of them as constituents of transcribed genes. This is a result of what process?
Retro transposition of mobile sequences
Evolutionary conservation, exon duplication and exon shuffling
Evolutionary conversion of leucine zipper, helix-turn-helix, and helix-loop-helix domains into zinc finger domains
Evolutionary selection for proteins that interfere with nucleosome packing
Genes that “jump” with the help of a transposase.
WHAT IF? Would you expect the plastid DNA of photosynthetic dinoflagellates, diatoms, and golden algaeto be more similar to the nuclear DNA of plants (domainEukarya) or to the chromosomal DNA of cyanobacteria(domain Bacteria)? Explain.
Chapter 21 Solutions
BIOLOGY
Ch. 21.1 - Prob. 1CSCh. 21.1 - Prob. 1CCCh. 21.1 - Prob. 2CCCh. 21.1 - Prob. 3CCCh. 21.2 - Prob. 1CCCh. 21.2 - Prob. 2CCCh. 21.2 - Prob. 3CCCh. 21.3 - Prob. 1EQCh. 21.3 - Prob. 2EQCh. 21.3 - Prob. 3EQ
Ch. 21.4 - Prob. 1CCCh. 21.4 - Prob. 1CSCh. 21.5 - Prob. 1CSCh. 21.5 - Repetitive Sequences and Transposable Elements...Ch. 21 - Prob. 1TYCh. 21 - DNA ligase is needed in a cloning experiment a. to...Ch. 21 - Prob. 3TYCh. 21 - Why is Taq polymerase used in PCR rather than...Ch. 21 - Lets suppose you want to clone a gene that has...Ch. 21 - In the CRISPR-Cas technology for editing genes,...Ch. 21 - Prob. 7TYCh. 21 - The enzyme that helps short segments of DNA move...Ch. 21 - Prob. 9TYCh. 21 - Which of the following was not a goal of the Human...Ch. 21 - Prob. 1CQCh. 21 - Briefly describe whether or not each of the...Ch. 21 - Prob. 3CQCh. 21 - Identify and discuss three important advances that...Ch. 21 - Prob. 2COQ
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