EP CONNECT ONLINE ACCESS FOR BIOLOGY:
5th Edition
ISBN: 9781260542226
Author: Hoefnagels
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Question
Chapter 15.1, Problem 3MC
Summary Introduction
To determine:
Why the RNA is likely to have been pivotal in life’s beginning.
Concept introduction:
Some investigators suggest that RNA were the first genetic material. They have used the term “RNA world” to describe this phenomenon. The RNA has several characteristics that make it suitable for carrying genetic information and transmitting it from one generation to another.
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Students have asked these similar questions
How does the structure of a DNA molecule help account for the great variety of life that exists on earth?
RNA is often characterized as being the first“biologically active” molecule. What two properties or activitiesdoes RNA display that are important to the evolution of life? Hint:Neither proteins nor DNA have both of these properties.
Which molecule is believed to have preceded the other two during the evolution of life?
RNA
Proteins
DNA
Chapter 15 Solutions
EP CONNECT ONLINE ACCESS FOR BIOLOGY:
Ch. 15.1 - How were conditions on Earth before life began...Ch. 15.1 - Prob. 2MCCh. 15.1 - Prob. 3MCCh. 15.1 - Prob. 4MCCh. 15.2 - How might the endoplasmic reticulum, nuclear...Ch. 15.2 - Prob. 2MCCh. 15.2 - Prob. 3MCCh. 15.3 - Prob. 1MCCh. 15.3 - What types of organisms flourished in the...Ch. 15.3 - How did Palaeozoic life diversify during the...
Ch. 15.3 - Prob. 4MCCh. 15.3 - Prob. 5MCCh. 15.3 - Prob. 6MCCh. 15.4 - Prob. 1MCCh. 15.4 - Prob. 2MCCh. 15.4 - Prob. 3MCCh. 15.4 - Prob. 4MCCh. 15.5 - Prob. 1MCCh. 15.5 - Prob. 2MCCh. 15 - Place the following events in Earths history in...Ch. 15 - Prob. 2MCQCh. 15 - Photosynthetic cells affected early Earth by a....Ch. 15 - Prob. 4MCQCh. 15 - Prob. 5MCQCh. 15 - Prob. 6MCQCh. 15 - Why was the Mesozoic era extinction significant to...Ch. 15 - Primates share all of the following...Ch. 15 - Prob. 9MCQCh. 15 - DNA evidence suggests that modern humans a. share...Ch. 15 - Explain how the origin of self-replicating...Ch. 15 - Prob. 2WIOCh. 15 - Review the structures of nucleic acids and...Ch. 15 - Prob. 4WIOCh. 15 - The amoeba Pelomyxa palustris is a single-celled...Ch. 15 - Prob. 6WIOCh. 15 - Distinguish among the terms primate, hominid,...Ch. 15 - Prob. 8WIOCh. 15 - Prob. 9WIOCh. 15 - Compare todays changing culture to biological...Ch. 15 - Prob. 11WIOCh. 15 - Prob. 1PITCh. 15 - Refer to figure 15.31 and the chapter content to...Ch. 15 - Refer to figure 15.31 and the chapter content to...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What did the Miller-Urey experiment demonstrate? A. Life originated in outer space and was brought to Earth on a meteor. B. Complex molecules can be formed from water, carbon dioxide, methane, ammonia, and hydrogen gas in a reducing atmosphere. C. Eukaryotic cells evolved from prokaryotic cells following an endosymbiotic event. D. RNA was the genetic storage merial before DNA.arrow_forwardDuring the course of evolution why DNA was choosen over RNA as genetic materials?arrow_forwardHow does Biogenetic theory explain the origin of life?arrow_forward
- Which molecule -DNA or RNA- do scientist believe was found in the first life form on Earth? Why do scientist believe this molecule was first to form life?arrow_forwardWhat is the origin of the term “life”?arrow_forwardComment on RNA’s role in catalysis and coding in theories of the origin of life.arrow_forward
- What evidence is there for the hypothesis that life originated on Earth by the creation and polymerization of small organic molecules by natural processes?arrow_forwardDirect evidence of life on early Earth comes from fossils of microorganisms that lived 3.5 billion years ago. But how did the first living cells appear?arrow_forwardWhich of the following statements describe(s) the basis of the RNA World Hypothesis? A RNA are molecular machines that keep cells alive B RNA can form the biomolecules C Early RNAs are self-replicating D RNA can store informationarrow_forward
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