Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 19, Problem 4SQ
According to one hypothesis, negatively charged clay particles played a role in early ______ .
- a. protein formation
- b.
DNA replication - c. photosynthesis
- d. oxygen declines
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Chapter 19 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 19 - According to the big bang theory, _______. a. the...Ch. 19 - An abundance of _______ in Earth's early...Ch. 19 - The Changing Earth Studies of ancient rocks and...Ch. 19 - Prob. 2DAACh. 19 - Prob. 3DAACh. 19 - Prob. 4DAACh. 19 - Stanley Millers experiment demonstrated...Ch. 19 - According to one hypothesis, negatively charged...Ch. 19 - The prevalence of _______ in living organisms is...Ch. 19 - Prob. 6SQ
Ch. 19 - Among prokaryotes, only the cyanobacteria _______....Ch. 19 - The evolution of _____ resulted in an increase in...Ch. 19 - Bacteria that cause the disease typhus arc close...Ch. 19 - Infoldings of the plasma membrane into the...Ch. 19 - Prob. 11SQCh. 19 - A stromatolite is a structure __________. a....Ch. 19 - Prob. 13SQCh. 19 - Evidence that Mars __________ suggests that it may...Ch. 19 - Chronologically arrange the evolutionary events,...Ch. 19 - Researchers looking for fossils or the earliest...Ch. 19 - The astronomer Carl Sagan once said, "We are made...Ch. 19 - How did the evolution of oxygen-releasing...
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- The first forms of life on Earth were thought to be_____. a. single-celled plants b. prokaryotes c. insects d. large animals such as dinosaursarrow_forwardMitochondria most likely evolved from_______. a. a photosynthetic cyanobacterium b. cytoskeletal elements c. aerobic bacteria d. membrane proliferationarrow_forwardWhen energy is transferred from one organism to another, some energy is lost to the environment due primarily to ____ ? A.)reproduction B.)growth C.)the release of heat D.)the transmission of DNAarrow_forward
- The early earth atmosphere was _____. MULTIPLE CHOICE. Choose only one. a. Reducing and favors biosynthetic reactions b. Reducing, due to absence of carbon dioxide c. Oxidizing, due to abundance of oxygen d. Oxidizing an favors breakdown of moleculesarrow_forwardDecomposers a. break down dead organic matter in the environment by secreting digestive enzymes. b. break down living organic matter by secreting digestive enzymes. c. destroy living cells and then break them down with digestive enzymes. d. live in close association with another species.arrow_forwardAccording 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 carrow_forward
- Based on the diagram, which sentence BEST describes this organism? A. It is a prokaryote that can perform photosynthesis. B. It is a eukaryote that can perform photosynthesis. C. It is a prokaryote that cannot perform photosynthesis. D. It is a eukaryote that cannot perform photosynthesis.arrow_forwardChloroplasts and mitochondria evolved from an endosymbioticrelationship involvinga. purple bacteria and cyanobacteria, respectively.b. cyanobacteria and purple bacteria, respectively.c. cyanobacteria.d. purple bacteria.arrow_forwardAutotrophs are bacteria that obtain their energy through a-The Sun b-Dead organic material c-Chemical reactions d-The production of methanearrow_forward
- Which practice might be described as carbon sequestration? A. capturing carbon dioxide from exhaust, reformed gases or other stationary sources B. depositing captured carbon dioxide in geological formations C. conversion of captured carbon dioxide into useful industrial productsarrow_forward_______in the stomach of a cow release methane. a. Bacteria c. Aerobes b. Archaea d. Virusesarrow_forwardWhy does an urban park full of trees have a greater cooling effect than an equal-sized urban golf course covered in grass? Pick the BEST answer a) Because trees sequester carbon into their wood b) Because trees photosynthesize c) Because trees create temperature differentials that improve airflow d) Because trees transpire producing evaporative cooling and grass does notarrow_forward
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