Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135564172
Author: Mark Sanders, John Bowman
Publisher: PEARSON+
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Chapter 17, 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.
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?
Chapter 17 Solutions
Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
Ch. 17 - 17.1 Reciprocal crosses of experimental animals or...Ch. 17 - 17.2 How are some of the characteristics of the...Ch. 17 - 17.3 The human mitochondrial genome encodes...Ch. 17 - What is the evidence that transfer of DNA from the...Ch. 17 - Draw a graph depicting the relative amounts of...Ch. 17 - Prob. 6PCh. 17 - 17.7 What is the evidence that the ancient...Ch. 17 - 17.8 Outline the steps required for a gene...Ch. 17 - 17.9 Consider the phylogenetic tree presented in...Ch. 17 - You are a genetic counselor, and several members...
Ch. 17 - A mutation in Arabidopsis immutans results in the...Ch. 17 - What type or types of inheritance are consistent...Ch. 17 - You have isolated (1) a streptomycin-resistant...Ch. 17 - You have isolated two petite mutants, pet1 and...Ch. 17 - 17.15 Consider this human pedigree for a vision...Ch. 17 - A 50- year - old man has been diagnosed with MELAS...Ch. 17 - 17.17 The first person in a family to exhibit...Ch. 17 - Prob. 18PCh. 17 - 17.19 What is the most likely mode of inheritance...Ch. 17 - 17.20 In , the Russian Tsar Nicholaswas deposed,...Ch. 17 - 17.21 The dodo bird (Raphus cucullatus) lived on...Ch. 17 - Cytoplasmic male sterility (CMS) in plants has...Ch. 17 - 17.23 Wolves and coyotes can interbreed in...Ch. 17 - Prob. 24PCh. 17 - Prob. 25PCh. 17 - Most large protein complexes in mitochondria and...Ch. 17 - As described in this chapter, mothers will pass on...
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- If mitochondria originated as proteobacteria and chloroplasts are descended from cyanobacteria, where does the rest of the eukaryotic cell come from?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 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_forward
- The 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_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_forwardWhat are mitochondria? What is their structure, function, and where did they come from during evolution?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_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_forwardFor 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_forward
- According 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_forwardWhat makes the mitochondrion and chloroplast unique among theorganelles?arrow_forwardThe membrane structure that eventually evolved into the double nuclear membrane of the eukaryotes first appears in the: A) Chemical evolution, B) Prokaryotes, C) Eukaryotes, D) the protocell, E) Plants.arrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License