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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- Why is cell division important for both unicellular and multicellular organisms?arrow_forwardDescribe in sentences how having organelles is important for creatures to be multicellular. (ex. even though prokaryotic cells evolved first, why have they never evolved to form a multi celled creature?)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
- Eukaryotic cells might have evolved from early prokaryotic cells living in close association. What do you know about eukaryotic organelles that would support this theory?arrow_forwardThe simple animals such as planaria can be cut into number of pieces and each piece grows into a complex organism. What is this process known as?arrow_forwarda) Do you think that most plant and animal cells are similar to does we observed today? b) Both atoms and the cells viewed today are small. Describe at least teo ways in which atoms and cells differ? c) What criteria can you use to distinguish between cells of the organisms belonging to different eukaryotic kingdoms (planta, animals , fungi)arrow_forward
- Which has more Golgi bodies, Animal cell or plant cell? Why is there a difference in the number of these structures in each cell types?arrow_forwardWhat is the difference between a one-celled organismand a single cell of a multicelled organism?arrow_forwardProkaryotic and eukaryotic cell membranes share similar phospholipid bilayers. What does this tell us about their evolution from the first cells?arrow_forward
- Briefl y explain how the eukaryotic cell could have evolved from prokaryotic ones.arrow_forwardDo you consider it a reasonable conjecture that cells could have arisen as bare cytoplasm without a cell membrane?arrow_forward1.) Which of the following is not part of the early cell theory? A)All organisms are multicellular. B)All organisms are made of one or more cells. C)The cell is the fundamental unit of life. D)All cells come from preexisting cells. 2) Which of the following features is not common to all cells? A)cell wall B)ribosomes C)RNA and DNA D)cytoplasm 3) Which of the following does not describe an organism in the domain bacteria? A)Has a typical cell size of 10-100 micrometers. B)Is considered a prokaryote. C)Can use a flagella to swim in fluids. D)Contains a nucleod region.arrow_forward
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