MindTap Biology, 1 term (6 months) Printed Access Card for Starr/Taggart/Evers/Starr's Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305269842
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 19, Problem 6SQ
Summary Introduction
Concept introduction: The protein synthesis takes place in the ribosome. Ribozymes are present inside the ribosome that functions as a component of the large subunit ribosomal RNA to link the amino acids during the protein synthesis. Ribozymes has the ability to catalyze the
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Mitochondria likely originated froma. archaea.b. invaginations of the cell membrane.c. bacteria.d. chloroplasts
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An RNA that functions as an enzyme is a ________ .a. protein c. ribosomeb. protocell d. ribozyme
Chapter 19 Solutions
MindTap Biology, 1 term (6 months) Printed Access Card for Starr/Taggart/Evers/Starr's 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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- Mitochondria most likely evolved from_______. a. a photosynthetic cyanobacterium b. cytoskeletal elements c. aerobic bacteria d. membrane proliferationarrow_forwardWhat characteristic of mitochondria and chloroplasts makes themdifferent from other organelles and suggests they were onceindependent organisms?a. They have a specialized function in the cell.b. They are surrounded by a membrane.c. They contain enzymes.d. They have their own DNA and ribosomes.arrow_forward3. A cell type that contain chloroplast and cell wall. a.Plant cell b. animal cell c. Bacteria cellarrow_forward
- Through what process did eukaryotic cells gain chloroplasts and mitochondria? a. engulfment b. endosymbiosis c. endocytosis d. phagocytosis e. conjugationarrow_forwardThe earliest cellular life forms appear to have been_____. A. Bacteria B. One-celled plants C. On-celled animals D. Viruses E. Mammalsarrow_forwardA vesicle in the cytoplasm is found to contain DNA with nucleotide sequences similar to those found in bacterial DNA. How may have this become present in the cell? a.Endocytosis b.Endosymbiosis c.Autophagy d.Exocytosisarrow_forward
- Why are ribosomes important because they help to: a. Read mRNA sequwnces and bind together amino acids b. For phosphodiester bonds between nucleotides c. Form hydrogen bonds between DNA Strands d. Package DNA moleculesarrow_forwardProtoplasts are plant cells that lack a. nuclei. b. cell walls. c. plasma membranes. d. protoplasm.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 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_forwardBacteria that cause the disease typhus are close relatives of bacteria that evolved into _____. a. Protists b. Protocells c. chloroplasts d. mitochondria Among prokaryotes, only the cyanobacteria ______. a. Live near hydrothermal vents b. Produce oxygen during photosynthesis c. Cannot tolerate oxygen d. Have a nucleus-like structurearrow_forwardWhich statement best explains why the third domain, Archea, was added to the original two domains of Bacteria and Eukarya? A. scientist discovered that eukaryotes are unicellular B. scientist discovered that eukaryotes have cell walls C. scientists discovered that some prokaryotes have cell walls D. scientists discovered that some prokaryotes live in extreme environmentsarrow_forward
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