Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
4th Edition
ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Question
Chapter 8, Problem 2SA
Summary Introduction
To review:
A comparison of the genetic information found in prokaryotes and eukaryotes.
Introduction:
Prokaryotes are those organisms that have no membrane bound organelles.
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Compare and contrast Organization of Genetic Material in prokaryotes and eukaryotes
Write and detail a complete all encompassing definition of a gene. Consider the morphology,
physiology, ecological, behavioral, etc. aspects of the gene. Discuss each part of the gene listed
in your definition. Is your definition of the gene as determined through complementation,
recombination, and mutation for prokaryotes directly applicable to eucaryotes? Why or why
not? What additional information must be taken into account?
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 above
Chapter 8 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
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- Determine which of the genomic traits are associated with prokaryotes or eukaryotes. These traits include relative genome size. number of genes, gene density, and number of exons. Prokaryote about one gene every 2000 to 100000 bp relatively large, variable size genome multiple introns Answer Bank relatively small genome about one gene every 1000 bp 500 to 7000 genes Eukaryote 6000 to 30000 genes few, if any, intronsarrow_forwardYou are tutoring a fellow student about the genomes of prokaryotes. You ask them to give you one important characteristic about the genomes of bacteria. Which of the following statement given by your student is correct? -Bacterial cells can contain DNA called plasmids. -The bacterial chromosome is not contained within a nucleus but, rather, is found at the nucleolus -Bacterial genomes are diploid throughout most of the cell cycle. -Bacterial genomes are composed of linear DNA. -Bacterial cells have multiple chromosomes, "packed" with a relatively large amount of protein.arrow_forwardDescribe the basic structure and organization of eukaryotic genetic material.arrow_forward
- Compare genome size, gene number, and gene density (a) in the threedomains and (b) among eukaryotes.arrow_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_forwardBriefly describe five ways by which DNA is packaged so that it can fit inside a eukaryotic nucleus.arrow_forward
- Create a table or concept map that illustrates the differences in eukaryotic, archaeal, and bacterial genome structure and organizationarrow_forwardList two advantages of using sequence analysis of ribosomal components in classification?arrow_forwardBase on Carl woese' ribosomal RNA (rRNA) gene tree. How can I map the following traits: 1.Monolayer lipid membrane 2.Linear chromosomes 3.Gram-negative cell wall 4.Several RNA polymerase 5.DNA 6.Glycerol 7.70s ribosomes 8.Nucleus To Carl's gene tree (bacteria,Archae,Eukarya).arrow_forward
- Compare exons and introns. What are their significance and role in the genome organization of organisms.arrow_forwardWhich of the following statements is correct? The prokaryotic ribosomal RNAs are 18S, 23S, and 28S The eukaryotic ribosome is 100S and consists of 60S and 40S subunits The prokaryotic ribosome has 4 subunits The eukaryotic ribosomal RNA are 28S, 18S, 5.8S and 5S The prokaryotic ribosome is 90S, and consists of 50S and 40S subunitsarrow_forwardBriefly explain differences in DNA and RNA genomesarrow_forward
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