Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337670319
Author: STARR
Publisher: Cengage
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Textbook Question
Chapter 20, Problem 11SQ
_____ in the stomach of a cow release methane.
- a. Bacteria
- b. Archaea
- c. Aerobes
- d. Viruses
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Chapter 20 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - The genome of ___ can be either RNA or DNA. a. a...Ch. 20 - The capsid of a virion consists of ___ . a. DNA b....Ch. 20 - Bacteriophages kill their host quickly by ______ ....Ch. 20 - The genetic material of HIV (a retrovirus) is...Ch. 20 - Prob. 5SQCh. 20 - Prob. 6SQCh. 20 - Prob. 7SQ
Ch. 20 - Bacteria that serve as decomposers are ___ . a....Ch. 20 - Prob. 9SQCh. 20 - Formation of a(n) ___ allows some soil bacteria to...Ch. 20 - _____ in the stomach of a cow release methane. a....Ch. 20 - A plasmid is a circle of ___ . a. RNA b. DNA c....Ch. 20 - Prob. 13SQCh. 20 - Prob. 14SQCh. 20 - Prob. 15SQCh. 20 - Prob. 1CTCh. 20 - Adenoviruses that cause colds do not have a lipid...Ch. 20 - The antibiotic penicillin acts by interfering with...Ch. 20 - Raw red alga of the genus Porphyra is part of a...
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- The first organisms that oxygenated the atmosphere were ______. a. cyanobacteria b. phootrophic organisms c. anaerobic organisms d. allof the abovearrow_forwardA) single-cell organisms, Cyanobacteria B) mammal formed, fish, reptiles C) Cyanobacteria, single cell organisms D) multi-cellular, fish, amphibiansarrow_forwardCFCsa. produce chlorine gas. c. are carcinogens.b. cause global warming. d. bind to chromosomes.arrow_forward
- 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_forwardPhotosynthesis carried out by one group of ________ resulted in Earths first increase in atmospheric oxygen levels. a. archaea c. protists b. bacteria d. algaearrow_forwardAt a time before life existed on Earth, our planet's atmosphere contained extremely little or no Question 2 options: a) nitrogen gases b) water vapor c) carbon dioxide d) gaseous oxygen e) noxious gasesarrow_forward
- Why did bacteria not degrade this body like they would normally? A. Because bacteria did not exist when this woman died. B. None of these are correct. C. Because bacteria need oxygen, and the coffin seal was air-tight. D. Because bacteria need carbon dioxide, and the coffin seal was air-tight.arrow_forwardWhat process brings nitrogen from the atmosphere into living system? A. Methanogenesis B. Denitrification C. Anammox D. Nitrogen fixation E. Nitrificationarrow_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_forward
- Almost all of the oxygen gas in today’s atmosphere ispresent as a result ofa. outgassing from volcanoes.b. aerobic respiration.c. endosymbiosis.d. photosynthesis.arrow_forward4) Many bacteria and fungi are important in the environment because they A) recycle nutrients, making them available for other organisms B) return energy to the environment, making it available for plants C) produce glucose through the process of respiration D) reverse the flow of energy in the ecosystemarrow_forward______move around for at least part of their life. a. Living organisms c. Species b. Animals d. Eukaryotesarrow_forward
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