Pearson eText Biology: Science for Life with Physiology -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135214114
Author: Colleen Belk, Virginia Maier
Publisher: PEARSON+
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Chapter 14, Problem 5LTB
Comparisons of ribosomal RNA among many different modern species indicate that___________.
- there are two very divergent groups of prokaryotes;
- the Protista represents a conglomeration of very unrelated forms;
fungi are more closely related to animals than to plants;- A and B are correct;
- A, B, and C are correct
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__________ is unique to eukaryotes and permits organisms to be larger and allows specialization.
This chapter shows a phylogenetic tree for the three domains of life, which is based on DNA sequence data for rRNA and other genes. Which of the following answers concerning the phylogenetic relationships found within this tree is incorrect?
View Available Hint(s)for Part A
Euryarcheotes are found in the Archaea
Diatoms, Tubulinids, and Euglenozoans belong to the domain Eukarya
Forams, Fungi, and Chlamydias belong to the domain Eukarya.
Spirochetes belong to the domain Bacteria
Ciliates, Red Algae, and Plants belong to the domain Eukarya.
The theory endosymbiosis is important in understanding how mitochondria and eukaryotic cells may have evolved.what structure is central to the concept of endosymbiosis
Chapter 14 Solutions
Pearson eText Biology: Science for Life with Physiology -- Instant Access (Pearson+)
Ch. 14 - How many different species have been identified by...Ch. 14 - Add labels to the figure that follows, which...Ch. 14 - How are hypotheses about the evolutionary...Ch. 14 - Which of the following kingdoms or domains is a...Ch. 14 - Comparisons of ribosomal RNA among many different...Ch. 14 - On examining cells under a microscope, you notice...Ch. 14 - The mitochondria in a eukaryotic cell ___________....Ch. 14 - Prob. 8LTBCh. 14 - Prob. 9LTBCh. 14 - Phylogenies are created based on the principle...
Ch. 14 - Unless handled properly by living systems, oxygen...Ch. 14 - Imagine you have found an organism that has never...Ch. 14 - Support for the endosymbiotic theory for the...Ch. 14 - Research a species of plant, animal, fungi, or...Ch. 14 - Scientists initially rejected the endosymbiotic...Ch. 14 - The science that you learned in this chapter has...
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- Suppose we find an organism living on a dead log in the mangrove forest of Everglades National Park. This organism is prokaryotic and does not eat. It is made up of only one cell. What domain/kingdom is it probably in? Group of answer choices Animalia Plantae Protista Fungi Eubacteriaarrow_forwardDomain Eukarya ___________________means their cells have nuclei and other compartments (____________________). Organisms in domain Eukarya have larger, more complex cells with nuclei. 4 Kingdoms: ________________, Animalia, Fungi, and ________________ Kingdom Protists: Unicellular or multicellular and Autotrophs or heterotrophs Kingdom Animalia: Multicellular,___________________ (by ingestion) Kingdom Fungi: Most are multicellular and are heterotrophs (by ___________digestion) Kingdom Plantae: Multicellular, _______________arrow_forwardWhich of the following statements about eukaryotes is correct? - Eukaryotes are life forms that possess a nucleus in the cells. - Some cellular features, such as endoplasmic reticulum, is uniquely eukaryotic and is not shared with either bacteria or archaea. - It has been hypothesized that the first eukaryotic cell is a chimera between a bacterium and an archaeon. - During phylogenetic reconstruction, it is often found that eukaryotic genes that are responsible for information processing are more closely related to corresponding archaeal genes than to bacterial genes. - All of the abovearrow_forward
- Does the following phylogenetic tree provide evidence to support or refute the endosymbiosis hypothesis? Briefly explain your choice (1-2 sentences) Bacteria a-Proteobacteria Mitochondria Archaea Eukarya Excavata Discicristata Alveolata Stramenopila Rhizaria Plantae Opisthokonta Amoebozoaarrow_forwardWhich of the following pieces of evidence could support the endosymbiotic theory if found to be true? Traces of peptidoglycan in the cytoplasm in eukaryotes Presence of rRNA in eukaryotes Presence of 80S ribosomes in eukaryotes The discovery of a unicellular eukaryotearrow_forwardWhich of the following correctly describes the theory of endosymbiosis. Question 9 options: Mitochondria evolved from a genetic mutation within an ancestral prokaryote. An ancestral prokaryote engulfed another prokaryote that eventually evolved into the organelles we recognize as mitochondria and chloroplasts. Some species of prokaryotes can pick up plasmids left behind by other prokaryotes.arrow_forward
- According to the endosymbiotic theory, which of the following is NOT true about the evolution of life on earth? Eukaryotes and prokaryotes appeared at about the same time and evolved independently from each other. O None of the other four answers (all are true statements) Eukaryotes evolved from symbiotic prokaryotes living inside other prokaryotes Mitochondria and chloroplasts are in some ways similar to prokaryotes The first life on earth was simple organisms, similar to today's prokaryotesarrow_forwardAn endosymbiont is any organism that lives within the body or cells of another organism. Each would have performed mutually benefiting functions from their symbirie relationship. Why are the mitochondria considered an endosybiont in an eukaryotic cell ? They have two membranes have DNA sequences that indicate origin from the alpha- prroteobacteria has a means for using oxygen and create ATP can break down glucose for energy O They contain hydrolytic enzymesarrow_forwardBased on the accompanying evolutionary tree, which prokaryotic domain gave rise to the domain Eukarya? Which kingdom in domain Eukarya gave rise to plants, animals, and fungi?arrow_forward
- Archaea are so named because option1-their cell structure is thought to be more primitive than the cell structure of bacteria option2-they arose from the joining of members from the Archaea and Bacteria Domains. option3-many survive in extreme conditions thought to be similar to ancient earth option4-they are thought to be the first group of prokaryotes to evolve on eartharrow_forwardWhich of the following statement is not a line of evidence supporting the endosymbiotic theory for the evolution of eukaryotes? Question 8 options: Mitochondria and plastids have their own circular DNA which is similar to bacterial DNA. Mitochondria and plastids can both live and reproduce outside of a cell. Mitochondria and plastids are separated from the rest of the cell by a membrane. Mitochondria and plastids reproduce independently of the rest of the cell.arrow_forwardArchaea are different from Eubacteria are different types of prokaryotes because... Archaea lack a nucleus Archaea are unicellular Archaea lack peptidoglycan in their cell wall Archaea do not have ribosomesarrow_forward
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