CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
3rd Edition
ISBN: 9780135191811
Author: Urry
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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2. As eukaryotic cells become more specialized, the nucleus is NOT important as the site of a) DNA synthesis, b) changes in the regulation of genes, c) protein synthesis, d) the transcription of mRNA for protein synthesis, e) DNA mutation.
3. In the evolution of the eukaryotic cell, these cells have key changes that include which of the following: a) These cells reproduce by copying their DNA perfectly each generation. b) They have their DNA in the nucleoid area. c) have adapted the mesosome membrane system of the prokaryote to form a nucleus and an endoplasmic reticulum. d) each new type on new eukaryote cell has its own mesosomes e) none of these are true.
4. The evolution/development of the skeletal system found in the Deuterostomes, is made up of two molecules, Ca+2PO4-2 and collagen These molecules are produced released from by a specialized type of stem cell. Therefore, one would expect that these stem cells perform which…
Please, help:
Question: Evolution of Prokaryote into the Eukaryote cell type.
A. What are the significant the significant changes that are represented in the evolution of the prokaryote cell type into the eukaryote cell.
B. Why are these changes (major differences) important in the process of evolution of more complex organisms?
WHAT IF? How might a sudden and dramatic change inyour diet affect the diversity of prokaryotic species thatlive in your digestive tract?
Chapter 18 Solutions
CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
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 - DRAW IT Comparing amino acid sequences of similar...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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- Hello! I need a hand with this question: What cell structures best reveal evolutionary unity? Provide examples of diversity related to specialized cellular modifications. Thanks in advance.arrow_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_forwardINBan What are the two types of cells? Although cells have some basic parts in common, there are some important differences. The way that cells store their DNA is the main difference between the two cell types. Prokaryotic A prokaryote (proh-KAIR-ee.oht) is a single- celled organism that does not have a nucleus or membrane-bound organelles. Its DNA is located in the cytoplasm. Prokaryotic cells contain organelles called ribosomes that do not have a membrane. Some prokaryotic cells have hairlike structures called flagella that help them move. Prokaryotes, which include all bacteria and archaea, are smaller than eukaryotes. Visualize It! 14 Identify Use the list of terms below to fill in the blanks with the matching cell parts in each cell. Some terms are used twice. DNA in cytoplasm DNA in nucleus Cytoplasm Cell membrane Organelles D C Prokaryotic A CHOPlasm CUNA nucleas F H Eukaryotic A eukaryote (yoo.KAIR.ee oht) is an organism made up of cells that contain their DNA in a nucleus.…arrow_forward
- EVOLUTION CONNECTION A typical prokaryotic cell has about3,000 genes in its DNA, while a human cell has almost 21,000genes. About 1,000 of these genes are present in both types ofcells. Based on your understanding of evolution, explain howsuch different organisms could have this same subset of 1,000genes. What sorts of functions might these shared genes have?arrow_forwardOrder the events relative to one another based on when each occurred in the fossil record. Earlier Laterarrow_forwardDraw phylogenetic tree of the given newick format :((A,B,(C,D)),(E,F))arrow_forward
- Q The outer layer of the cell walls of yeast often contains polysaccharides called mannans. The precise composition and branching patterns of mannan polysaccharides is different for each yeast species. How could this fact be used to identify different yeasts? Explain your answer.arrow_forwardWhich 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_forwardWhy is the mitochondria so important to a eukaryoWhich is an example of a prokaryotic cell?tic cell? What is the plasmid in prokaryotes? What is the jelly-like matrix in both prokaryotes and eukaryotes that provides form to the cell and holds many of the organelles? What attribute should a hypothesis contain so that it lends itself to an objective experiment that relies on quantitative observations and data? Which is a properly written hypothesis?Which hypothesis states that no statistical significance exists between the independent and dependent variable? Question options: statistical hypothesis complex hypothesis null hypothesis alternative hypothesis simple hypothesisarrow_forward
- Archaea (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_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_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_forward
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