ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
3rd Edition
ISBN: 9780135964422
Author: Urry
Publisher: PEARSON
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Chapter 25, Problem 2TYU
Summary Introduction
Introduction:
The eukaryotic organism found in higher amounts in the atmosphere and they are multicellular. They uses and produces oxygen for the survival.
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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.
Which of the following is evidence that eukaryotes and prokaryotes share a common ancestor?
a.All eukaryotes and prokaryotes use organic molecules as an energy source.
b.All eukaryotes and prokaryotes are capable of mitosis.
c.All eukaryotes and prokaryotes contain ribosomes.
d.All eukaryotes and prokaryotes contain linear DNA.
What do the multiple branching points at the root of the eukaryotic phylogenetic tree indicate about the evolution of eukaryotes?
A. that unikonts are derived from the SAR clade
B. that Archaeplastids were the first eukaryotes
C. that fungi are more closely related to plants than animals
D. that eukaryotes are all descended from a common ancestor
Chapter 25 Solutions
ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
Ch. 25.1 - Describe major events in the evolution of early...Ch. 25.1 - Explain why eukaryotes are said to be combination...Ch. 25.1 - Prob. 3CCCh. 25.2 - Summarize the evidence that choanoflagellates are...Ch. 25.2 - MAKE CONNECTlONS Describe how the origin of...Ch. 25.2 - Prob. 3CCCh. 25.3 - Briefly describe the organisms found in each of...Ch. 25.3 - MAKE CONNECTIONS Review Figures 7.2 and 8.5...Ch. 25.3 - Prob. 3CCCh. 25.3 - Prob. 4CC
Ch. 25.4 - Justify the claim that photosynthetic protists are...Ch. 25.4 - Prob. 2CCCh. 25.4 - Prob. 3CCCh. 25 - The oldest fossil eukaryote that can be resolved...Ch. 25 - Prob. 2TYUCh. 25 - Plastids that are surrounded by more than two...Ch. 25 - Prob. 4TYUCh. 25 - Prob. 5TYUCh. 25 - Based on the phylogenetic tree in Figure 25.10,...Ch. 25 - MAKE CONNECTIONS The bacterium Wolbachia is a...Ch. 25 - FOCUS ON EVOLUTION DRAW IT Medical researchers...Ch. 25 - FOCUS ON INTERACTIONS Organisms interact with each...Ch. 25 - SYNTHESIZE YOUR KNOWLEDGE These micrographs show...
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- 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_forwardThe endosymbiotic theory explains the:a. origin of the first prokaryotic cells.b. origins of mitochondria and chloroplasts in eukaryotes.c. evolutionary relationship between animals, plants, and fungi.d. method of reproduction in protists.arrow_forwardIn the Latin name Canis lupis , the "Canis" is the name of the corresponding: a. Species c. Genus 1. b. Family d. Wolf only 2. The most primitive type of bacteria, which can live in extreme environments belong to the kingdom: a. Eubacteria c. Protista b. Archaebacteria d. Animalia Kingdom Fungi and Kingdom Animalia have which of the following in common a. both have eukaryotic cells b. both reproduce sexually c. both reproduce asexually d. Neither are heterotrophic 3.arrow_forward
- All living things are divided into three domains: bacteria, archaea, and eukarya. They have several traits that are specific to each domain or shared across the domains. Based on this information, what traits would the last universal common ancestor (LUCA) be expected to have? A. Nuclear envelope, introns in genes, and peptidoglycan in cell walls. B. Histones associated with DNA, circular chromosome, and peptidoglycan in cell walls. C. Unbranched hydrocarbons in membrane lipids, histones associated with DNA, and introns in genes. D. Circular chromosome, unbranched hydrocarbons in membrane lipids, and one kind of RNA polymerase.arrow_forwardWhich of the following statements is false? a. All multicelled organisms have cell walls. b. All multicelled organisms are eukaryotic c. All multicelled organisms have cell membranes. d. The nuclei of multicelled organisms are membrane-bound.arrow_forwardWhich of the following statements is the MOST compelling argument that fungi are more closely related to animals than plants? A. Plants have chloroplasts whereas fungi and animals cells do not. B. Plants fix carbon dioxide from the air; fungi and animals use pre-existing organic molecules. C. The DNA sequences of ribosomal RNA of fungi share more homology with ribosomal RNA from animals than plants. D. Both animal and fungal cells are eukaryotic.arrow_forward
- One difference between the kingdom Protista and the other three kingdoms in the domain Eukarya is that the other kingdoms are mostlya. prokaryotic.b. multicellular.c. eukaryotic.d. unicellular.arrow_forwardWhich of the following events occurred first in eukaryotic evolution? a. Endosymbiosis and mitochondria evolution b. Endosymbiosis and chloroplast evolution c. Compartmentalization and formation of the nucleus d. Formation of multicellular organismsarrow_forwardThe evolution of eukaryotes was most directly enabled by which of the following? a. Diversification within prokaryotes b. Chemical evolution of organic polymers c. Evolutionary split between prokaryotes and archaea d. Prokaryotic autotrophs increasing atmospheric oxygen e. Decrease of the Earth's surface Which of the following statements is true about ribonucleic acid? I. RNA carries genetic information II. RNA can serve structural and catalytic roles III. Air replicating organisms contain RNA a. I only b. II only c. III only d. I and II only e. I, II, and IIIarrow_forward
- The phylogenetic tree of animals shows thata. rotifers are closely related to flatworms.b. both molluscs and annelids are protostomes.c. some animals have radial symmetry.d. sponges were the first to evolve from an ancestral protist.e. All of these are correctarrow_forwardWhich one of the following is not a characteristic of all prokaryotes (Archea and Bacteria)? A. no nucleus B. smaller ribosomes than (most) of eukaryotes ribosomes C. existed before eukaryotic cells D. Contain some organelles like mitochondriaarrow_forwardYou are examining an organism you believe to be an animal. Which of the following would NOT support your hypothesis? O A The organism appears to be heterotrophic. O B The organism appears to be multicellular. O C The organism appears to be motile. O D The organism appears to have cell walls. O E All animals, including sponges, have development directed by Hox genes.arrow_forward
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