Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 4.3, Problem 1R
Summary Introduction
To review:
The importance of catalysis of a reaction and encoding an information in the origin of life.
Introduction:
The importance of catalyst lies in the fact that it decreases the value of activation energy of a reaction. The catalyst makes the reaction fast and feasible. The product of ribonucleic acid (RNA) is a protein which can act as a catalyst or it can be a functional protein product. The origin of life depended on the catalytic and self-encoding behavior of the RNA molecules.
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Life: The Science of Biology
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- How origin of life is attributed to light and water? How did Whittaker classify organisms? How bacteriophage help in controlling the disease?arrow_forwardHow does the structure of a DNA molecule help account for the great variety of life that exists on earth?arrow_forwardWhy was the discovery of DNA structure so important?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_forwardHow would sequencing the entire genome of an organism help scientists to understand how that organismfunctioned?arrow_forwardWhat 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_forward
- For you, what is the contribution around 18-1900 of golden era in biochemistry? Explain.arrow_forwardthe landmark experiment by Miller and Urey, and various repeats of this experiment, did not successfully recreate life itself, but why do we consider the results from this experiment as support for the origin of life on Earth?arrow_forwardWith regard to the origin of life, why are biologistsinterested in the prebiotic synthesis of organic molecules?arrow_forward
- Even though they have several differences, a bacterium and a human cell will both contain DNA. With respect to evolution, what does this fact suggest?arrow_forwardSeveral rounds of failure often precede most successful scientific discoveries. How did failure play a role in the discovery of the structure of DNA?arrow_forwardWould genetic engineering be possible if we did not know a great deal about the genetics of bacteria? Explain.arrow_forward
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DNA vs RNA (Updated); Author: Amoeba Sisters;https://www.youtube.com/watch?v=JQByjprj_mA;License: Standard youtube license