Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Chapter 17, Problem 7P
What is the evidence that the ancient mitochondrial and chloroplast endosymbionts are related to the
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The endosymbiotic hypothesis for the origin of chloroplasts from gram-negative prokaryotes is supported by all of the following lines of evidence except:
the presence of enzymes for the light-dependent and the dark reactions of photosynthesis
the presence of circular DNA resembling that of photosynthetic eubacteria
the presence of mRNA, tRNA, and rRNA similar to that of the cyanobacteria
their use of mitosis rather than binary fission during cell division
the presence of 70s ribosomes, consisting of 30s and 50s ribosomal subunits
The 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.
According to the endosymbiont theory:
a)
modern plant cells are able to carry out photosynthesis because their ancestors engulfed cyanobacteria.
b)
chloroplasts and mitochondria evolved from prokaryotic cells.
c)
ancestral eukaryotic cells acquired the ability to carry out aerobic respiration as a result of engulfing aerobic bacteria.
d)
a and c
e)
a, b and c
Chapter 17 Solutions
Genetic Analysis: An Integrated Approach (3rd Edition)
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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- What is the evidence that the metamonads, which lack mitochondria, derive from ancestors that had mitochondria rather than from ancestors that were in lineages that never contained mitochondria?arrow_forwardWhat is the relationship between Cyanobacteria and the chloroplast of phytoplankton (algae)?arrow_forwardEvolution of what biological process is hypothesized to have been made possible by the appearance of chlorophyll in the mesozones of a prokaryote cell? A) self-replicating molecules B) multi-cellularity C) glycolysis D) photosynthesis E) none of these.arrow_forward
- You are conducting a study of comparing human, chlamydomonas and Cyanobacteria. Which is a protein found in both chlymydomoans and humans but not in Cyanobacteria. a) mitochondrial receptor protein b) atp synthase c) citrate synthase of citric acid cycle d) ribosome proteinarrow_forwardHow many endosymbiotic events are required to account for the diversity of photosynthetic eukaryotes?arrow_forwardAccording 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_forward
- 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 bacteriaarrow_forwardWhat evidence supports theidea that the major organelles of eukaryotes were onceBacteria?arrow_forwardIn comparing bacteria, archaea, and eukaryotes, which statement below among A - D is false? A) O the members of two of these three groups comprise cells that lack a nuclear membrane B) O archaea and eukaryotes share some similarities in the componeents of gene expression C) O having diverse types of metabolism is a feature of the members of archaea and bacteria D) Oa cytoplasmic membrane is a feature shared by all the cells in these three groups E) OA-E are all truearrow_forward
- Isoprene serves as a building block not only for the hydrocarbons observed in archaeal membranes but also for sterols, carotenoids, retinal, and quinones. Use any resources necessary to identify the function of these other isoprene-based molecules and to determine their distribution in nature. What does the use of isoprene to make this diverse array of molecules suggest about the nature of the last universal common ancestor (LUCA)?arrow_forwardWhich of the following characters evolved last (i.e., most recently)? A) Heredity B) Photosynthesis C) Multicellularity D) Eukaryotic cells E) Prokaryotic cellsarrow_forward43 47arrow_forward
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