Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 18.4, Problem 1TYK
The sizes of eukaryotic genomes vary because
- more complex eukaryotes tend to have more genes.
- the amount of repetitive sequences can vary greatly among different species.
- the diameter of the cell nucleus may be different.
- both a and b.
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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, introns
A comparison of prokaryotic and
eukaryotic DNA would show that
prokaryotes have more DNA than
eukaryotes.
prokaryotes and eukaryotes have
similar amounts of DNA.
eukaryotes have a greater
proportion of non-coding DNA than
prokaryotes.
eukaryotic DNA is contained in a
single loop while prokaryotic DNA is
organized into multiple strands.
How do the following genomic features of prokaryotic organisms compare with those of eukaryotic organisms? How do they compare among eukaryotes? a. Genome size b. Number of genes c. Gene density (bp/gene) d. Number of exons
Chapter 18 Solutions
Principles of Biology
Ch. 18.1 - In the procedure shown in this figure, has the...Ch. 18.1 - Refer back to Figure 9.16. Why are primers needed...Ch. 18.1 - Prob. 2CCCh. 18.1 - Prob. 3CCCh. 18.1 - Prob. 4CCCh. 18.1 - Prob. 2BCCh. 18.1 - Prob. 1TYKCh. 18.1 - Prob. 2TYKCh. 18.1 - Prob. 3TYKCh. 18.2 - Prob. 1CC
Ch. 18.2 - Prob. 2CCCh. 18.2 - Prob. 1TYKCh. 18.2 - Prob. 2TYKCh. 18.2 - Prob. 3CCCh. 18.3 - Prob. 1TYKCh. 18.4 - Prob. 1CCCh. 18.4 - Prob. 1BCCh. 18.4 - The sizes of eukaryotic genomes vary because more...Ch. 18.4 - The members of a gene family are called paralogs....Ch. 18.5 - Prob. 1CCCh. 18.5 - Based on their mechanism of movement, which type...Ch. 18.5 - Prob. 1TYKCh. 18.5 - A segment of DNA that moves via an RNA...Ch. 18 - Prob. 1TYCh. 18 - Prob. 2TYCh. 18 - Lets suppose you followed the protocols described...Ch. 18 - Prob. 4TYCh. 18 - Lets suppose you want to clone a gene that has...Ch. 18 - In the CRISPR-Cas technology used for mutating...Ch. 18 - Prob. 7TYCh. 18 - Prob. 8TYCh. 18 - Prob. 9TYCh. 18 - Prob. 10TYCh. 18 - Draw the structure of a dideoxyribonucleotide...Ch. 18 - Prob. 2CCQCh. 18 - Prob. 3CCQCh. 18 - Identify and discuss three important advances that...Ch. 18 - Prob. 2CBQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Prokaryotes contain a ______ chromosome, and eukaryotes contain ________ chromosomes. a. single-stranded circular; single-stranded linear b. single-stranded linear: single-stranded circular c. double-stranded circular; double-stranded linear d. double-stranded linear; double-stranded circulararrow_forwardMake a concept map that includes all of the terms below, and include illustrations of the central concepts. Draw arrows connecting the concepts as appropriate, and label the arrows to indicate the relationship between those concepts. Typically, nouns will be the nodes of the map. Verbs and connecting ideas should be written on the connecting arrows. Illustrations of the central phenomena (replication, transcription, translation) are mandatory, and you must develop your own pictures. You can draw them by hand or use a computer illustrating program to draw, but you may not screenshot images from the internet. DNA RNA protein replicates transcribes translates DNA Polymerase RNA Polymerase Sigma factor dNTP rNTP ribosome supercoiling gyrase origin of replication / OriC aminocoumarins gene operon promoter operator ORF (open reading frame) lacZ lacI lactose glucose Beta-galactosidase LacI 30S 50S 70S mRNA tRNA rRNA aminoglycoside macrolide chloramphenicol rifampin RBS (ribosome binding…arrow_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_forward
- 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?arrow_forwardWhich of the following is not a difference between eukaryotic DNA and prokaryotic DNA? A. Eukaryotic DNA is found in the nucleus, prokaryotic DNA is not in the nucleus B. Eukaryotic DNA is linear, prokaryotic is circular C. Eukaryotic DNA consists of adenine, thymine, guanine, and cytosine bases, prokaryotic has uracil, thymine, guanine and cytosine D. Eukaryotic DNA has telomeres, prokaryotic does not have telomeresarrow_forwardDNA footprinting is a technique that can be used to identify: A region of DNA that has been damaged by mutation. The position of a particular gene of a chromosome. Whether a protein binds to a specific DNA sequence. The position of internally double-stranded regions in a single- stranded DNA molecule. The specific binding site of a repressor, polymerase, or other protein on the DNA.arrow_forward
- Compared with prokaryotic genomes, eukaryotic genomes are small, with less densely organized genes without introns O large, with less densely organized genes including introns O large, with densely organized genes including introns O small, with densely organized genes without intronsarrow_forwardWhat is a genophore? A DNA in prokaryotes B DNA and RNA in prokaryotes C DNA and protein in prokaryotes D RNA in prokaryotesarrow_forwardDescribe the structure of a bacterial genome, and explain how it differs from a eukaryotic genome. Explain what a plasmid is, and describe the role of plasmids in the spread of antibiotic resistance genes. Explain how bidirectional semiconservative DNA replication copies the circular chromosome of a bacterium during cell division. Explain the steps of replication by DNA polymerase, including initiation, elongation, and termination. Explain the different kinds of mutations and how they occur.arrow_forward
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