BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 18, Problem 5SA
RNA in ribosome catalyzes formation of peptide bonds in all organisms. This supports the hypothesis that______.
| a. RNA can hold more information than DNA |
| b. RNA is more stable than DNA |
| c an RNA world existed prior to the rise of DNA |
| d. proteins evolved before RNA |
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Chapter 18 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 18 - An abundance of___________ in Earths early...Ch. 18 - The first interval of Earths existence is called...Ch. 18 - The prevalence of ironsulfur cofactors in...Ch. 18 - Miller and Urey created a reaction chamber that...Ch. 18 - RNA in ribosome catalyzes formation of peptide...Ch. 18 - By one hypothesis, clay________. a. facilitated...Ch. 18 - Photosynthesis carried out by one group of...Ch. 18 - Mitochondria are most closely related to...Ch. 18 - The presence of ozone in the upper atmosphere...Ch. 18 - A ribozyme consists of ___________. a. clay c. DNA...
Ch. 18 - A rise in oxygen in Earths air and seas set the...Ch. 18 - Which of the following was not present by the end...Ch. 18 - The first chloroplasts evolved from ___________....Ch. 18 - During the Precambrian, _______. a. atmospheric...Ch. 18 - Arrange these events in order of occurrence, with...Ch. 18 - Researchers looking for fossils of the earliest...Ch. 18 - Rickettsia bacteria always live as parasites...
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