GENERAL HISTOLOGY

INTRODUCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement.
A
centriole
B
golgi apparatus
C
lipid bilayer
D
cytoskeleton
Explanation: 

Detailed explanation-1: -The cytoskeleton is the network of cytoplasmic protein filaments, composed of microtubules (MTs), actin filaments, and intermediate filaments, that provides an internal scaffold to give the cell shape.

Detailed explanation-2: -The cytoskeleton of eukaryotic cells is made of filamentous proteins, and it provides mechanical support to the cell and its cytoplasmic constituents. All cytoskeletons consist of three major classes of elements that differ in size and in protein composition.

Detailed explanation-3: -The cytoskeleton is a network of different protein fibers that provides many functions: it maintains or changes the shape of the cell; it secures some organelles in specific positions; it enables movement of cytoplasm and vesicles within the cell; and it enables the cell to move in response to stimuli.

Detailed explanation-4: -Cytoskeleton. The cytoskeleton is a dynamic network of protein filaments that defines the structure and motility of the cell (Figure 2). It prevents deformation of the cell, while allowing for cell-mediated changes in structure including contraction and cell migration.

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