HUMAN BIOLOGY W/ACCESS
16th Edition
ISBN: 9781260997231
Author: Mader
Publisher: MCG
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Chapter 23.1, Problem 3CYP
Summary Introduction
To analyze:
The importance of RNA in the formation of first protocells.
Introduction:
Protocells are a primitive cellular form which are mainly comprised of lipids
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Chapter 23 Solutions
HUMAN BIOLOGY W/ACCESS
Ch. 23.1 - Describe the conditions of the early Earth’s...Ch. 23.1 - Prob. 2LOCh. 23.1 - Prob. 3LOCh. 23.1 - Prob. 4LOCh. 23.1 - Discuss why chemical evolution was necessary...Ch. 23.1 - Prob. 2CYPCh. 23.1 - Prob. 3CYPCh. 23.2 - Prob. 1LOCh. 23.2 - Prob. 2LOCh. 23.2 - Discuss how the fossil record, biogeography, and...
Ch. 23.2 - Prob. 4LOCh. 23.2 - Define biological evolution and explain its two...Ch. 23.2 - Describe the types of evidence that support...Ch. 23.2 - Prob. 3CYPCh. 23.3 - Prob. 1LOCh. 23.3 - Prob. 2LOCh. 23.3 - Prob. 3LOCh. 23.3 - Prob. 1CYPCh. 23.3 - Prob. 2CYPCh. 23.3 - Prob. 3CYPCh. 23.4 - Prob. 1LOCh. 23.4 - Prob. 2LOCh. 23.4 - Prob. 1CYPCh. 23.4 - Name three features characteristic of hominins.Ch. 23.4 - Prob. 3CYPCh. 23.5 - Explain the adaptations of Homo erectus.Ch. 23.5 - Prob. 2LOCh. 23.5 - Prob. 3LOCh. 23.5 - Prob. 1BTSCh. 23.5 - Prob. 2BTSCh. 23.5 - Prob. 1BTBCh. 23.5 - Prob. 2BTBCh. 23.5 - Prob. 3BTBCh. 23.5 - Prob. 1CYPCh. 23.5 - Prob. 2CYPCh. 23.5 - Prob. 3CYPCh. 23.5 - Prob. 4CYPCh. 23.5 - Prob. 5CYPCh. 23 - Prob. 1ACh. 23 - Prob. 2ACh. 23 - Prob. 3ACh. 23 - 4. The fossil record offers direct evidence for...Ch. 23 - 5. A history of how species change over time...Ch. 23 - Prob. 6ACh. 23 - Prob. 7ACh. 23 - Prob. 8ACh. 23 - Prob. 9ACh. 23 - Prob. 10ACh. 23 - Prob. 11ACh. 23 - Prob. 12ACh. 23 - Prob. 13ACh. 23 - Prob. 14ACh. 23 - Prob. 15ACh. 23 - According to the fossil record. which of these...Ch. 23 - Bipedalism has many selective advantages,...Ch. 23 - In studying recent fossils of the genus Homo, such...Ch. 23 - Prob. 3TC
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- In the evolution of the eukaryotic cell, these cells have evolved key changes that include which of the following: a) These cells reproduce by copying their DNA perfectly each generation b) They have their DNA in the nucleoid area c) They have adapted the mesosome membrane system of the prokaryote to form a nucleus and an endoplasmic reticulum d) each new type of new eukaryote cell has its mRNA unchanged from its original mRNA e) none of these are truearrow_forwardBriefly explain how the eukaryotic cell could have evolved fromprokaryotic ones.arrow_forwardWhy was the cold ethanol added to the soap and salt mixture? A To digest the cell walls B To dissolve the RNA C To emulsify lipids and remove large cellular debris D To precipitate the DNA E To denature the cytoplasmic proteinsarrow_forward
- explain the role of cells at development of organisms.avoid plagiarism. Please be brief but not too short. The subtopics must be properly detailed.arrow_forwardDescribe the features of mitochondria and chloroplasts that support the endosymbiotic theory.arrow_forwardCompare the digestive, respiratory and circulatory system of E coli bacteria and Cactus, then mention why the Eukaryotic species is more developed than the Prokaryotic one .arrow_forward
- The membrane structure that eventually evolved into the double nuclear membrane of the eukaryotes first appears in the: A) Chemical evolution, B) Prokaryotes, C) Eukaryotes, D) the protocell, E) Plants.arrow_forwardIn 40 words or fewer, explain why we think that RNA, and not DNA, was the hereditary material in the first protocell.arrow_forwardWhere does RNA translation into amino acids takes place? 1. Cytoplasm 2. Endoplasmic reticulum 3. Nucleus 4. Vacuoles 5. Golgiarrow_forward
- Give typing answer with explanation and conclusion What two species of bacteria evolved into mitochondria and plastids? What are the basics of endosymbiotic theory?arrow_forward24. The earliest RNA probably functioned in A) catalysis. B) self-replication. C) neither catalysis nor self-replication D) both catalysis and self-replication. 25. LUCA refers to A) the ancestral cell before the divergence into Eukaryotes and Prokaryotes B) the ancestral cell before the divergence into Archaea and Prokaryotes C) the ancestral cell before the divergence into Archaea and Bacteria D) the ancestral cell before the divergence into Eukaryotes and Bacteria 26. Endosymbiosis between bacterial and archaea A) Allowed the evolution of eukaryotic cells with organelles B) Allowed for the accumulation of ozone in the early atmosphere C) Occurred after multicellularity evolved D) Occurred after 3.8 but before 2.5 bya 27. In the sub-surface hypothesis the origination of cellular life on earth occurred in stages. Which of the following represents conditions likely in the first (oldest) stage: A) Energetic reactions coupled to molecular replication in mineral compartments B) Nutrients…arrow_forwardWrite essay in detail on eukaryotes and introns.arrow_forward
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