Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 18.3, Problem 3CC
Summary Introduction
To explain:
The evolutionary processes that might have account for prokaryotes having smaller genome than the eukaryotes.
Introduction:
The eukaryotes are the organisms that have a true nucleus which means that their nucleus is surrounded by a membrane. Their other cell organelles are also membrane bound. They can be single celled or multicellular. The prokaryotes are the organisms that lack membrane bound organelles such as bacteria.
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(a) Explain why the term " junk dna" may not be such an accurate description?
(b) provide 1 similarity and 1 difference between the structure of individual genes of eukaroyotes and prokayotes
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.
Multicellular organisms such as plants and animals belong to which domain?
Chapter 18 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 18.1 - Prob. 1CCCh. 18.2 - Prob. 1CCCh. 18.2 - Explain the advantage of the systems biology...Ch. 18.2 - Prob. 3CCCh. 18.3 - The best estimate is that the human genome...Ch. 18.3 - Prob. 2CCCh. 18.3 - Prob. 3CCCh. 18.4 - Discuss the characteristics of mammalian genomes...Ch. 18.4 - Which of the three mechanisms described in Figures...Ch. 18.4 - Prob. 3CC
Ch. 18.5 - Describe three examples of errors in cellular...Ch. 18.5 - Prob. 2CCCh. 18.5 - Prob. 3CCCh. 18.6 - Would you expect the genome of the macaque (a...Ch. 18.6 - Prob. 2CCCh. 18 - Prob. 1TYUCh. 18 - Prob. 2TYUCh. 18 - Two eukaryotic proteins have one domain in common...Ch. 18 - SCIENTIFIC INQUIRY The scientists mapping human...Ch. 18 - FOCUS ON EVOLUTION Genes important in the...Ch. 18 - FOCUS ON INFORMATION The continuity of life is...Ch. 18 - SYNTHESIZE YOUR KNOWLEDGE Insects have three...
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- Q12arrow_forwardbeadle and tatum proposed the one-gene-one-polypeptide hypothesis. is this true for prokaryotes and eukaryotes? explain your answer in not more than five sentencesarrow_forwardInstagram „l ? 11:07 AM @ 46% Preview I think so.. Nardin Al Kindi · 40m Physical Suhail Al Mashaykhi 39m Today at 10:58 AM 31) Which of these provides evidence of the common ancestry of all life? A) the ubiquitous use of catalysts by living systems B) the universality of the genetic code C) the structure of the nucleus D) the structure of cilia E) the structure of chloroplasts Answer: B Please students If one of you answer this question before and can explain it for me Saif Al Abri 8m Thanks nardin and suhail Fael Al Saadi 7m 59888 04 History is onarrow_forward
- Which phylogenetic model proposes that all three domains of life evolved from a pool of primitive prokaryotes? tree of life web of life ring of life network modelarrow_forwardSearch For each statement, indicate if the statement applies to only eukaryotes, only prokaryotes, or both eukaryotes and prokaryotes. separate their DNA from other cellular components do not have organelles 1. only eukaryotes use DNA to store genetic information 2. only prokaryotes enclosed by a membrane 3. eukaryotes and prokaryotes consist of at least one cellarrow_forwardDifferentiate the three domains of life. Archaea Bacteria Eukarya Presence of cell wall (+/-) Presence of cell membrane (+/-) Presence of mitochondria (/-) Presence of chloroplast (/-) Presence of peptidoglycan (+/-) Presence of capsules (+/-) Type of cell membrane linkage on lipids Type of cell membrane side chain of lipids Types of cell membrane lipids Give 2 examplesarrow_forward
- Genetically speaking, prokaryotes are different from eukaryotes because: a. prokaryotes usually have one main circular chromosome, whereas eukaryotes have multiple linear chromosomes prokaryotes do not usually have histone proteins to package their DNA prokaryotes do not have a nucleus to house their DNA as eukaryotes do prokaryotes have less total DNA than do eukaryotes All of the abovearrow_forwardArchaea (formerly known as archaebacteria) is one of the three major divisions of living organisms; the other two are eubacteria and eukaryotes. Nanoarchaeum equitans is in the Archaea domain and has one of the smallest genomes known, about 0.5 Mb. How can an organism complete its life cycle with so little genetic material?arrow_forwardQ 26 plzarrow_forward
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