Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
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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Newly made proteins are modified in which organelle?
A. mitochondrion
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Which one of the following is not a characteristic of all prokaryotes (Archea and Bacteria)?
A. no nucleus
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Chapter 19 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 19 - Antibiotic Effects on Mitochondria Tetracyclines...Ch. 19 - Antibiotic Effects on Mitochondria Tetracyclines...Ch. 19 - Antibiotic Effects on Mitochondria Tetracyclines...Ch. 19 - Antibiotic Effects on Mitochondria Tetracyclines...Ch. 19 - Which of the following is NOT true of conditions...Ch. 19 - An abundance of _______ in Earth's early...Ch. 19 - Stanley Miller's experiment demonstrated that...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 the eventual...Ch. 19 - Evolution of _______ increased the energy...Ch. 19 - Infoldings of the plasma membrane into the...Ch. 19 - The host cell in the endosymbiosis that produced...Ch. 19 - A stromatolite is a structure __________ . a....Ch. 19 - Prob. 13SQCh. 19 - Which of the following events did NOT occur during...Ch. 19 - Chronologically arrange the evolutionary events,...Ch. 19 - Researchers looking for fossils of the earliest...Ch. 19 - The astronomer Carl Sagan once said, "We are made...Ch. 19 - How did the evolution of oxygen-releasing...Ch. 19 - Just as all life shares a last universal common...
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- What is NOT present in both a prokaryotic cell and an eukaryotic cell? A. cytoplasm B. plasma membrane C. ribosome D. the endomembrane systemarrow_forward______________ function in the collection, packaging, and distribution of molecules made in the cell. a. mitochondria b. ribosomes c. golgi bodies d. peroxisomesarrow_forwardThe enzyme catalase functions in the breakdown of hydrogen peroxide, a toxic by-product of fatty acid digestion. In which cellular organelle is catalase found? a. ribosome b. peroxisome c. lysosome d. mitochondrion e. Golgi bodyarrow_forward
- Is this organelle found in prokaryotes, eukaryotes, or all cells? A. prokaryotes B. eukaryotes C. all cellsarrow_forwardPseudopeptidoglycan is a characteristic of the walls of ________. a. eukaryotic cells b. bacterial prokaryotic cells c. archaean prokaryotic cells d. bacterial and archaean prokaryotic cellsarrow_forwardThe structure where amino acids are put together in order to make proteins is the ________________. a. Nucleus b. Mitochondria c. Ribosome d. Endoplasmic reticulumarrow_forward
- What do you call a finger-like projection that arises from epithelial layer in some organs that helps to increase surface area allowing for faster and more efficient adsorption? A. cillia B. flagella C. microvilli D. villi Cell modification is the change in the structure of cell to carry out specialized function. Which of the following words will BEST describe the cell modification? A. alteration B. differentiation C. evolution D. mutation You learned that cells are structurally modified so that they can perform their function efficiently and effectively. Which of the following structures have specialized functions due to cell modification? I. Guard cells II. Haemoglobin Trichomes Xylem vessels III. IV. A. 1, II and III B. I, II and Iv C. I, III, and IV D. I, II, III and IV Which of the following statements best illustrate the adaptation and function of nodified cell? A. The xylem in the leaf helps the leaf to be positioned horizontally towards the sun. B. The hair-like structure in…arrow_forwardProkaryotes depend on ________ to obtain somematerials and to get rid of wastes.a. ribosomesb. flagellac. cell divisiond. diffusionarrow_forwardUnlike eukaryotic cells, prokaryotic cells . a. have no nucleus b. have RNA but not DNA c. have no ribosomes d. a and carrow_forward
- Which of these elements of the cytoskeleton is composed of tubulinand forms essential components of centrioles, spindle fibers, cilia,and flagella?a. actin filaments b. intermediate filaments c. microtubulesarrow_forwardAccording to the endosymbiotic theory, _____ were/was originallyphotosynthetic bacteria.a. ribosomesb. chloroplastsc. mitochondriad. the nucleusarrow_forwardWhich of the following cell-organelles is responsible for most of the ATP-production within a cell? 45. a. golgi apparatus b. endoplasmic reticulum c. mitochondria disstraiation d. ribosomesarrow_forward
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