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 4.4, Problem 1R
Summary Introduction
To review:
The importance of cell membrane in the evolution of living organisms.
Introduction:
The cell membrane is an integral part of all the living organisms. From a simple type of primitive cell to a much more complex eukaryotic cell, all the living organisms consist of cell membrane. Cell membrane plays a vital role in the separation of cell interior from the outside world. It maintains a boundary between the compartment of cell and the exterior environment. The cell interior contains all the components required for survival
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What types of similarities in cell structure and function tell biologists about the common origin of organisms? Explain
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Chapter 4 Solutions
Life: The Science of Biology
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- Which characteristic is shared by prokaryotes and eukaryotes? a. cytoskeleton b. nuclear envelope c. DNA-based genome d. mitochondriaarrow_forwardWhy are cells, not atoms, the basic units of life?arrow_forwardCells in a multicellular organism have specialized to such an extent that they have little in common with single-celled organisms. (True orfalse?)arrow_forward
- What event is thought to have contributed to the evolution of eukaryotes? a. global warming b. glaciation c. volcanic activity d. oxygenation of the atmospherearrow_forwardWhat characteristic of mitochondria and chloroplasts makes themdifferent from other organelles and suggests they were onceindependent organisms?a. They have a specialized function in the cell.b. They are surrounded by a membrane.c. They contain enzymes.d. They have their own DNA and ribosomes.arrow_forwardProkaryotic and eukaryotic cell membranes share similar phospholipid bilayers. What does this tell us about their evolution from the first cells?arrow_forward
- Cell walls exist in plant cells for the purpose of rigidity and structure, but how come they are also present in prokaryotes? Which types of cells exactly have cell walls? Is it all cells but animal cells?arrow_forwardOrganisms in which of the following kingdoms/domains NEVER have a cell wall? Group of answer choices A. Fungi B. Plantae C. Animalia D. Archaea E. Protistaarrow_forwardHow old is Earth and when did cells first appear on Earth?arrow_forward
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