Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 11CT
The endosymbiotic theory states that mitochondria and chloroplasts evolved from prokaryotes living within other prokaryotes (see p. 87). What aspects of the eukaryotic genome support this theory? What aspects do not support the theory?
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Chapter 7 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - In bacteria, polypeptide translation can begin...Ch. 7 - Prob. 3TMWCh. 7 - Prob. 4TMWCh. 7 - Clinical Case Study Deadly Horizontal Gene...Ch. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - Prob. 3MCCh. 7 - Prob. 4MCCh. 7 - Prob. 5MC
Ch. 7 - Prob. 6MCCh. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Prob. 10MCCh. 7 - Which of the following is not a mechanism of...Ch. 7 - Prob. 12MCCh. 7 - Prob. 13MCCh. 7 - Which of the following are called jumping genes?...Ch. 7 - Prob. 15MCCh. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Prob. 18MCCh. 7 - Prob. 19MCCh. 7 - Prob. 20MCCh. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Prob. 24MCCh. 7 - The trp operon is repressible. This means it is...Ch. 7 - The three steps in RNA transcription are...Ch. 7 - Prob. 2FIBCh. 7 - Prob. 3FIBCh. 7 - Prob. 4FIBCh. 7 - An operon consists of ____________,...Ch. 7 - Prob. 6FIBCh. 7 - A daughter DNA molecule is composed of one...Ch. 7 - Prob. 8FIBCh. 7 - Prob. 9FIBCh. 7 - ____________ is a recombination event that occurs...Ch. 7 - Prob. 11FIBCh. 7 - Prob. 12FIBCh. 7 - Prob. 1SACh. 7 - Prob. 2SACh. 7 - Prob. 3SACh. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Prob. 5SACh. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Prob. 8SACh. 7 - Describe how DNA is packaged in both prokaryotes...Ch. 7 - Prob. 10SACh. 7 - Prob. 11SACh. 7 - Prob. 12SACh. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - Prob. 3VICh. 7 - If molecules of mRNA have the following nucleotide...Ch. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Prob. 3CTCh. 7 - Prob. 4CTCh. 7 - Prob. 5CTCh. 7 - Suppose that the E. coli gene for the lac operon...Ch. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Prob. 9CTCh. 7 - How can knowledge of nucleotide analogs be useful...Ch. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Prob. 12CTCh. 7 - Prob. 13CTCh. 7 - Prob. 14CTCh. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Prob. 17CT
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- What is the difference between eukaryotes and prokaryotes in terms of exons and introns?arrow_forwardWhat function do the prokaryotic rRNAs provide to the ribosome? Question 38 options: A) catalyze the formation of peptide bonds B) base-pair with the Shine-Dalgarno sequence during initiation C) base-pair with the mRNA codons D) base-pair with the tRNAs E) both A and B are correctarrow_forwardConsidering prokaryotes, what is the enzyme that removes the RNA primer and replaces it with newly synthesized DNA?arrow_forward
- Which of the following parts of translation is significantly different in eukaryotes and prokaryotes?Question 25 options: A) the presence of a start codon B) the genetic code C) Initial binding of mRNA by ribosomes D) movement of mRNA and tRNA through the 3 sites on the ribosome E) binding of tRNAs to mRNAsarrow_forwardWhere is the genetic material in a eukaryotic cell?arrow_forwardVarious strains of bacteria are able to transfer genes to eukaryotic hosts. This process of horizontal gene transfer often results in the formation of enzymes in the host organism that assist in metabolic pathways. Which of the following is the most likely explanation for why bacterial genes are able to successfully transfer genes that produce enzymes in eukaryotic cells? A - Bacteria and Eukarya have similar mechanisms for the formation and use of enzymes in metabolic processes. B - Bacteria and Eukarya use the same enzymes in all of their metabolic processes so the genes are interchangeable. C - Bacteria and Eukarya share similar reproductive mechanisms so the cells reproduce without recognizing foreign DNA. D - Bacteria and Eukarya have the same mechanism for replicating DNA so genes can easily be transferred between the two types of cells.arrow_forward
- Bacterial endospores form when the environment is no longer conducive to active cell metabolism. The soil bacterium Bacillus subtilis, for example, begins the process of sporulation when one or more nutrients aredepleted. The end product is a small, metabolically dormant structure that can survive almost indefinitely with no detectable metabolism. Spores have mechanisms to prevent accumulation of potentially lethal mutations in their DNA over periods of dormancy that can exceed 1,000 years. B. subtilis spores are much more resistant than are the organism’s growing cells to heat, UV radiation, and oxidizing agents, all of which promote mutations.(a) One factor that prevents potential DNA damage in spores is their greatly decreased water content. How would this affect some types of mutations?(b) Endospores have a category of proteins called small acid-soluble proteins (SASPs) that bind to their DNA, preventing formation of cyclobutane-type dimers. What causes cyclobutane dimers, and why…arrow_forwardWhat types of sequences do eukaryote genomes have and how do these sequences differ from prokaryotic ones?arrow_forwardWhat are master genes? Explain why they are not present in prokaryotes.arrow_forward
- Considering that prokaryote genomes do not have large introns, how is it possible to move a eukaryotic gene into a transformed bacterium, since they lack a spliceosome?arrow_forwardFor eukaryote cells to evolve into new types of eukaryotic organism, which of the following would one expect to occur? a) All the cells are identical b) The endoplasmic reticulum is not involved. c) These specialized cells activate only the genes in their nucleoid area. d) Cells must be getting new genetic mutations and more DNA e) none of these are true.arrow_forwardGenetic analysis of Mycobacterium leprae, the bacterium that causes leprosy, reveals that its genome has undergone decay over time, losing DNA and acquiring mutations that make some of its genes nonfunctional. What might be some potential reasons for this evolutionary decay of its genome?arrow_forward
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Prokaryotic vs. Eukaryotic Cells (Updated); Author: Amoeba Sisters;https://www.youtube.com/watch?v=Pxujitlv8wc;License: Standard youtube license