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Unicellular organisms are capable of (i) independent existence and (ii) performing the essential functions of life. Anything less than a complete structure of a cell does not ensure independent living. Hence, cell is the fundamental structural and functional unit of all living organisms.
Cell Theory 1. All living things are made up of 1 or more cells. 2. Cells are the smallest working units of all living things. 3. All cells come from pre-existing cells through cell division.
Cell Structure and Function. Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Key Concepts . • How are prokaryotic cells and eukaryotic cells similar, and how are they different? • What do the structures in a cell do? Cell Shape and Movement . Cells come in many shapes and sizes.
CELL — STRUCTURE AND FUNCTIONS. You have already learnt that things around us are either living or non-living. Further, you may recall that all living organisms carry out certain basic functions. Can you list these functions? Different sets of organs perform the various functions you have listed.
In our bodies, for example, muscle cells produce movement and nerve cells (neurons) are communication specialists. In this module your goal is to understand the important structural components of cells and how these subunit work together in carrying out life processes.
Table of Cell Organelles and Functions. For the audio version of the file, click this link: Cell Structure and Function Audio. Organelle. Membrane. Components. Function. P, A, Both?
Eukaryotic Cell Structure and Function: (Part 1) The science or study of cell structure and function is called cytology; but courses dealing with this topic frequently come under the heading of cell and molecular biology. Cytology has undergone extensive change over time.