Biology
10th Edition
ISBN: 9780073383071
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 4, Problem 2S
Use the information provided in table 4.3 to develop a set of predictions about the properties of mitochondria and chloroplasts if these organelles were once free-living prokaryotic cells. How do your predictions match with the evidence for endosymbiosis?
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According to the theory of endosymbiosis, organelles, like mitochondria and chloroplasts, were once free-living cells that were absorbed into another cell. The relationship benefited both cells to stay together. What evidence do scientists observe today that supports the theory of endosymbiosis? Select all that apply.
a
There are ribosomes found inside mitochondria and chloroplasts just like there are inside cells.
b
Looking inside mitochondria and chloroplasts, one will find that they each contain their own DNA.
c
Mitochondria and chloroplasts are found inside all cell types.
d
Mitochondria and chloroplasts each have a membrane around them just like a cell would.
Which of the following statements supports the concept of the endosymbiotic theory?
A. Proteins may be trafficked within the endomembrane system.
B. Ribosomes are present in the cytoplasm of prokaryotic cells and eukaryotic cells.
C. Chloroplasts have many features in common with bacteria.
D. Mitochondria can fuse together to form larger organelles within eukaryotic cells.
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).
Chapter 4 Solutions
Biology
Ch. 4 - Which of the following statements is NOT part of...Ch. 4 - All cells have all of the following except a....Ch. 4 - Eukaryotic cells are more complex than prokaryotic...Ch. 4 - Which of the following are differences between...Ch. 4 - The cytoskeleton includes a. microtubules made of...Ch. 4 - The smooth endoplasmic reticulum is a. involved in...Ch. 4 - Plasmodesmata in plants and gap junctions in...Ch. 4 - The most important factor that limits the size of...Ch. 4 - All eukaryotic cells possess each of the following...Ch. 4 - Adherens junctions, which contain cadherin, are...
Ch. 4 - Different motor proteins like kinesin and myosin...Ch. 4 - The protein sorting pathway involves the following...Ch. 4 - Chloroplasts and mitochondria have many common...Ch. 4 - Prob. 7ACh. 4 - The smooth endoplasmic reticulum is the site of...Ch. 4 - Use the information provided in table 4.3 to...Ch. 4 - Prob. 3SCh. 4 - The protist Giardia intestinalis is the organism...
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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
- The endosymbiotic theory argues that prokaryotes become some of the organelles of early eukaryotic cells. All of the following support this hypothesis Except: A. The mitochondria and chloroplasts have their own DNA and are nearly idential to some free-living prokaryotes b. Mitochondria and chloroplasts are nearly idential to some free-living prokaryotes. c. Mitochondria and chloroplasts have their own DNA d. The vacuoles can come and go across the plasma membranearrow_forwardUse the options given in second picture to fill the answers in the question of first picture.kindly answer it asap.arrow_forwardThe mitochondria and chloroplast have small their own circular chromosomes, which is part of the evidence suggesting these organelles may have long ago been free-living prokaryotes that were brought into the cell in vesicles but not digested. True Falsearrow_forward
- 1. 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_forwardWhat 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_forwardChloroplasts and mitochondria are both unusual in that they have double membranes and contain their own set of DNA. Can you think of any explanations for this observation?arrow_forward
- a) Describe some characteristics and differences between prokaryotic and eukaryotic cells.b) How do the three domains of life differ from one another?c) Two of the organelles in eukaryotes, the mitochondrion and the chloroplast are believed to haveoriginated through a process of symbiosis. Discuss some of the theories of the origins ofmitochondria and chloroplastsarrow_forwardDescribe the features of mitochondria and chloroplasts that support the endosymbiotic theory.arrow_forwardMitochondria and Earth’s higher concentration of atmospheric oxygen allowed early eukaryotes to evolve in size and complexity – to become larger and do more cellular work. Using your understanding of cellular respiration and the role of oxygen in the electron transport chain, discuss how endosymbiosis, and the evolution of mitochondria, was a critical factor in affecting cell size and how much work, i.e., metabolism, the cell can perform.arrow_forward
- Tell me three characteristics of mitochondria that support the endosymbiotic theoryarrow_forwardHow do scientists know that mitochondria and chloroplasts were likely once free-living prokaryotes? What theory is explained by this evidence?arrow_forwardConsidering which organelles were created through the endosymbiotic theory, which of the following is NOT something that the host could receive from the engulfing a symbiont? A. the engulfed cell provided the host cell with adenosine triphosphate (ATP) B. the host cell was able to survive anaerobic conditions with the engulfed cell alive C. the engulfed cell provided the host cell with carbon dioxide D. the engulfed cell allowed the host cell to metabolize glucosearrow_forward
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