Campbell Biology Concepts And Connections - 10th Nasta Edition
10th Edition
ISBN: 9780136646099
Author: Taylor, Simon, Dickey, Hogan, Reece
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
Campbell Biology Concepts And Connections - 10th Nasta Edition
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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- Which of the following is not true about the life-cycle of Fucus. a. 8 eggs per oogonium b. 64 sperm per antheridium c. eggs are flagellated d. sperm are flagellatedarrow_forwardGreen Algae, as a group, is actually paraphyletic with one subgroup more closely related to higher plants than the other. Which of the following green algae groups is more closely related to higher plants: a. Charophyceans b. Chlorophyceans c. Rhodophyta d. Xanthophyceansarrow_forwardCertain toxic terpenoids in this group is thought to deter herbivory but may also have some anti-tumor activity? a. green algae b. brown algae c. red algae d. golden algae e. none of thesearrow_forward
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