MASTERING BIOLOGY 9E
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ISBN: 9780136560623
Author: Campbell
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 1CC
Using the figure below, describe the stages that may have led to the origin of life.
Expert Solution & Answer
Summary Introduction
To describe: The stages that lead to the origin of life.
Introduction:
The life on earth is evolved from the primitive life forms. According to scientists, there are many theories and experiments which prove the origin of life on earth. The origin may be from biomolecules, DNA or RNA as a genetic material is also considered as the point from where the life begins.
Explanation of Solution
The stages that show the origin of life are as follow:
- The monomers formed by abiotic synthesis are collected in the atmosphere. The collection of molecules may be through the influence of lightening and UV radiations.
- The reason of the formation of monomers is the heat from hot rocks and volcanic activity. Now, the short RNA polymers are formed from the combination of monomers.
- The membrane surrounds the polymers and differentiates between the external and internal environment.
- The replication of RNA polymers takes place through natural selection, in this step. The polymers are influenced and pass to the new protocells
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Chapter 15 Solutions
MASTERING BIOLOGY 9E
Ch. 15 - Using the figure below, describe the stages that...Ch. 15 - Fill in this concept map about systematics.Ch. 15 - Prob. 3TYKCh. 15 - Prob. 4TYKCh. 15 - Prob. 5TYKCh. 15 - Adaptive radiations may be promoted by all of the...Ch. 15 - A swim bladder is a gas-filled sac that helps fish...Ch. 15 - Prob. 8TYKCh. 15 - Which of the following could provide the best data...Ch. 15 - Prob. 10TYK
Ch. 15 - Distinguish between microevolution and...Ch. 15 - Which are more likely to be closely related: two...Ch. 15 - How can the Darwinian concept of descent with...Ch. 15 - Explain why changes in the regulation of...Ch. 15 - Prob. 15TYKCh. 15 - Measurements indicate that a fossilized skull you...Ch. 15 - Prob. 17TYKCh. 15 - SCIENTIFIC THINKING When Stanley Millers...
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- Choose the best below ? Which of these steps probably occurred first in the chemical andbiological evolution of life? a. The cell membrane of a protobiont formed.b. Formation of the first organic moleculesc. The genetic material was RNA.d. Simple organic monomers formed from inorganic materials.arrow_forwardexplain the process of evolution by natural selection as it applies to a specific living thing using the outline below:arrow_forwardWhich of the following steps has not yet been accomplished byscientists studying the origin of life?(A) synthesis of small RNA polymers by ribozymes(B) formation of molecular aggregates with selectivelypermeable membranes(C) formation of protocells that use DNA to direct thepolymerization of amino acids(D) abiotic synthesis of organic moleculesarrow_forward
- Provide a brief discussion in support of the following statement: “RNA is believed to have played an important role during the origin of life.”arrow_forwardGive an example of a creation myth and explain how its divine being created the universe and the organisms within it.arrow_forwardIdentify the evidence shown by the picture and explain how it supports evolution.arrow_forward
- Using examples, explain how biology can be studied from a microscopic approach to a global approach.arrow_forwardThe diagram below depicts the concept of _______. a. evolution b. reproduction c. levels of organization d. energy transfers in the living worldarrow_forwardWhich statement about the taxonomic classification system is correct? a. There are more domains than kingdoms. b. Kingdoms are the top category of classification. c. A phylum may be represented in more than one kingdom. d. Species are the most specific category of classification.arrow_forward
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