Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 23, Problem 6RQ
Mitochondria most likely evolved by ___________ .
- a photosynthetic cyanobacterium
- cytoskeletal elements
- endosymbiosis
- membrane proliferation
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Mitochondria most likely evolved from_____________.a. a photosynthetic cyanobacteriumb. cytoskeletal elementsc. aerobic bacteriad. membrane proliferation
Endosymbiosis greatly altered eukaryotes as they acquired organelles. In the red algae shown below, the mitochondria is on left (solid lines), the chloroplast is in the middle (dotted lines), and the nucleus is on the right (dashed lines).
Virtually all eukayotic organisms have this organelle suggesting they evolved in an aerobic world.
Answers:
A.
Golgi apparatus
B.
Mitochondria
C.
Chloroplasts
D.
Nucleus
E.
Ribosomes
Chapter 23 Solutions
Biology 2e
Ch. 23 - Figure 23.5 What evidence is there that...Ch. 23 - Figure 23.25 Which of the following statements...Ch. 23 - Figure 23.28 Which of the following statements...Ch. 23 - What event is thought to have contributed to the...Ch. 23 - Which characteristic is shared by prokaryotes and...Ch. 23 - Mitochondria most likely evolved by ___________ ....Ch. 23 - Which of these protists is believed to have...Ch. 23 - In 2016, scientists published the genome of...Ch. 23 - Which of the following observations about a...Ch. 23 - Protists that have a pellicle are surrounded by...
Ch. 23 - Piotists with the capabilities to perform...Ch. 23 - Which of these locomotor organs would likely be...Ch. 23 - Alternation of generations describes which of the...Ch. 23 - The amoeba E. histolytica is a pathogen that forms...Ch. 23 - Which protist group exhibits mitochondrial...Ch. 23 - Conjugation between two Paramecia produces total...Ch. 23 - What is the function of the raphe in diatoms?...Ch. 23 - What genus of piotists appears to contradict the...Ch. 23 - A marine biologist analyzing water samples notices...Ch. 23 - An example of carbon fixation is photosynthesis...Ch. 23 - Which parasitic protist evades the host immune...Ch. 23 - Which of the following is not a way that piotists...Ch. 23 - Describe the hypothesized steps in the origin of...Ch. 23 - Some aspects of eukaryotes are more similar to...Ch. 23 - Explain in your own words why sexual reproduction...Ch. 23 - Giaidia iamblia is a cyst-forming protist parasite...Ch. 23 - Explain how the definition of protists ensures...Ch. 23 - The chllorophyte (green algae) genera Ulva and...Ch. 23 - Why might a light-sensing eyespot be ineffective...Ch. 23 - Opisthokonta includes animals and fungi, as well...Ch. 23 - Describe two ways in which paramecium differs from...Ch. 23 - How does killing Anopheles mosquitoes affect the...Ch. 23 - Without treatment, why dees African sleeping...Ch. 23 - Describe how increasing stress to the ocean would...
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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
- Mitochondria most likely evolved from_______. a. a photosynthetic cyanobacterium b. cytoskeletal elements c. aerobic bacteria d. membrane proliferationarrow_forwardAll protists have ____. chloroplasts only nuclei only mitochondria only both nuclei and mitochondria chloroplasts, nuclei, and mitochondriaarrow_forwardDiplomonads, and parabasalids lack _______. a. a nucleus b. mitochondria c. a plasma membrane d. flagellaarrow_forward
- Which statement about thylakoids in eukaryotes is not correct? a. Thylakoids are assembled into stacks. b. Thylakoids exist as a maze of folded membranes. c. The space surrounding thylakoids is called stroma. d. Thylakoids contain chlorophyll.arrow_forwardSome non-plant organisms like the protist that spreads malaria contain a non-photosynthetic chloroplast called an apicoplast. Crazy! What best explains how protists have evolved apicoplasts?arrow_forwardMitochondria and chloroplast have their own DNA and replicate separately from the nucleus and they can synthesize ATP. Can they survive outside of the cell? Explain. Gracias!arrow_forward
- The endosymbiotic theory explains the origins of which of thefollowing components of a eukaryotic cell?a. mitochondriab. chloroplastsc. internal membranesd. All of these are correctarrow_forwardWhich are photosynthetic in nature? euglenoids ciliates apicomplexa diatoms amoebas slime molds red algaearrow_forwardSome aspects of eukaryotes are more similar to Archaea, while other aspects of eukaryotic cell composition appear more closely related to Bacteria. Explain how endosymbiosis could resolve this paradox.arrow_forward
- Which of the following protist exhibit the discoid type of mitochondrial cristae? A. trypanosoms B. diatoms C. oomycete D. brown algaearrow_forwardWhich of the following protists photosynthesize? Group of answer choices Autotrophs Heterotrophs Mixotrophsarrow_forwardMitochondria likely originated froma. archaeab. invaginations of the cell membranec. rickettsiasd. cyanobacteriaarrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License