Genetic Analysis: An Integrated Approach (2nd Edition)
2nd Edition
ISBN: 9780321948908
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Chapter 19, Problem 2P
How are some of the characteristics of the organelles (the mitochondria and chloroplasts) explained by their origin as ancient bacterial endosymbionts?
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Which of the following statements is correct?
a) Chloroplasts are only found plants
O b) Mitochondria are only present in animals, fungi, and protists
c) Mitochondria and chloroplasts are eukaryotic organisms
d) Both mitochondria and chloroplasts originate from endosymbiosis
e) Chloroplasts are found in bacteria
In the course of evolution of the eukaryotic cell, the ability to store newly synthesized molecules is associated with: a) the nucleus of prokaryotes, b) vesicles that contain enzymes that perform dehydration synthesis, c) lysosomes, d) the nucleoid area of the cytoplasm. e) proteins produced outside of the Endoplasmic reticulum.
If mitochondria originated as proteobacteria and chloroplasts are descended from cyanobacteria, where does the rest of the eukaryotic cell come from?
Chapter 19 Solutions
Genetic Analysis: An Integrated Approach (2nd Edition)
Ch. 19 - 17.1 Reciprocal crosses of experimental animals or...Ch. 19 - 17.2 How are some of the characteristics of the...Ch. 19 - 17.3 The human mitochondrial genome encodes...Ch. 19 - What is the evidence that transfer of DNA from the...Ch. 19 - Draw a graph depicting the relative amounts of...Ch. 19 - Prob. 6PCh. 19 - 17.7 What is the evidence that the ancient...Ch. 19 - 17.8 Outline the steps required for a gene...Ch. 19 - 17.9 Consider the phylogenetic tree presented in...Ch. 19 - Most large protein complexes in mitochondria and...
Ch. 19 - What insights have analyses of human mitochondrial...Ch. 19 - You are a genetic counselor, and several members...Ch. 19 - A mutation in Arabidopsis immutans results in the...Ch. 19 - What type or types of inheritance are consistent...Ch. 19 - You have isolated (1) a streptomycin-resistant...Ch. 19 - You have isolated two petite mutants, pet1 and...Ch. 19 - 17.15 Consider this human pedigree for a vision...Ch. 19 - A 50- year - old man has been diagnosed with MELAS...Ch. 19 - 17.17 The first person in a family to exhibit...Ch. 19 - Prob. 20PCh. 19 - Prob. 21PCh. 19 - 17.19 What is the most likely mode of inheritance...Ch. 19 - 17.20 In , the Russian Tsar Nicholaswas deposed,...Ch. 19 - 17.21 The dodo bird (Raphus cucullatus) lived on...Ch. 19 - Cytoplasmic male sterility (CMS) in plants has...Ch. 19 - 17.23 Wolves and coyotes can interbreed in...Ch. 19 - Prob. 27PCh. 19 - Prob. 28P
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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
- What is the endosymbiotic hypothesis about the origin of mitochondria? What are the molecular facts that support the hypothesis? To which other cellular organelles can the hypothesis also be applied?arrow_forward1. Why was the great oxygenation event important for mitochondrial development? a) In your own words, define symbiotic. 2. Chloroplasts and mitochondria both contain a circular DNA chromosome, and ribosomes. Why does this evidence support the theory of endosymbiosis as the mechanism for the origin of eukaryotic cells? a) Today, could mitochondria live independently of their eukaryotic cell host? Give two pieces of evidence to support your answer.arrow_forwardThe endosymbiotic theory pertains to which organelle within eukaryotes because of the presence of 70S ribosomes, circular DNA, and the replication of this organelle independent from mitosis? O 1) nucleus O 2) lysosomes. O 3) golgi 4) endoplasmic reticulum 5: O 5) mitochondriaarrow_forward
- In the late 1960s (and since), Lynn Margulis (and others) provided considerable evidence for the endosymbiotic theory of the origin of various organelles in eukaryotic cells.What is the endosymbiotic theory? Which two eukaryotic organelles were proposed to have arisen as endosymbionts? What evidence did Margulis present to support each organelle as an endosymbiont?arrow_forwardThe concept of endosymbiosis as applied to chloroplast and mitochondria found in eukaryotes: a) is based on evidence that Chloroplasts and Mitochondria were originally prokaryotes, b) changes present day animals into plants, c) explains how chemical evolution caused the appearance of life, d) allowed chloroplasts to carry out aerobic metabolism, e) all are true.arrow_forwardUnder the endosymbiotic theory for the origin of the eukaryotic cell. The ancestor of mitochondria and chloroplasts original became part of mutualism with a larger host cell. Which of the following best explains this mutualism? A) The mitochondria and chloroplasts provided specialized reproduction as part of the proto-germ line while the larger host cell provided energy for growth and reproduction. B) The mitochondria and chloroplasts provided gene products that could be used by the larger host cell for improved parasitization. C) The mitochondria and chloroplasts provided molecular energy in return for protection by the larger host cell. D) The mitochondria and chloroplasts produce toxins that the larger cell utilized to defend itself from other cells mutually increasing the defense of all those involved.arrow_forward
- Based on the presence of mitochondria and chloroplast within eukaryotic cells, what organelle do you think originated within eukaryotic cells first: mitochondria or chloroplast? Why?arrow_forwardWhich is true of Prokaryote cells? A) Because their DNA exists in a nucleoid area, the synthesis of proteins depends on random interactions between mRNA and rRNA, B) They contain membrane-bounded compartments or organelles. C) A true nucleus contains the DNA in the form of chromosomes D) Some contain mitochondria E) They contain many organelles in the cytoplasmarrow_forwardIn the evolution of the eukaryotic cell, these cells have evolved 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) They have adapted the mesosome membrane system of the prokaryote to form a nucleus and an endoplasmic reticulum d) each new type of new eukaryote cell has its mRNA unchanged from its original mRNA e) none of these are truearrow_forward
- For each of the following indicate if they evolved once, twice, or perhaps several times. a) acquisition of mitochondria b) acquisition of chloroplast c) multicellularity d) origin of ribosomesarrow_forwardWhat types of biological abilities can be combined to create more capable, more complex cells? How does the presecence of different types of ribosomes inside a eukaryotic cell strengthen the endosymbiotic theory? How does chloroplasts and mitochondria found within a cell have two membranes? How does the emergence of endosymbotic theory change the way humans view microorganisms? Will people be comfortable imaginning that the life functions of pants and animals, including their own, are actually dependent on the coexistence of many different microscopic pieces?arrow_forwardAccording to the endosymbiotic theory, why did the primitive eukaryotic cell fail to digest the non-photosynthetic prokaryote that later became an energy-producing organelle? Because the engulfed cell provided the host cell with carbon dioxide. Because the host cell was able to survive anaerobic conditions with the engulfed cell alive. Because the engulfed cell allowed the host cell to metabolize glucose. Because the engulfed cell provided the host cell with adenosine triphosphate (ATP).arrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License