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anchoring junctions that prevent cells subjected to mechanical stress from being pulled apart
hollow cylinders composed of proteins that span the entire width of the abutting membranes
not functioning units, but instead are chemical substances that may or may not be present, depending on the specific cell type
highly reactive chemicals with unpaired electrons that can scramble the structure of proteins and nucleic acids
the process by which water and other substances are forced through a membrane by fluid or hydrostatic pressure
the gradient that actually pushes solute containing fluid from a place of high pressure to a place of low pressure
centrioles separate from each other and begin to move toward opposite sides of the cell, directing the assembly
appears over the midline of the spindle, and it eventually squeezes or pinches the original cytoplasmic mass into 2 parts
messenger RNA molecules
long, single nucleotide strands that resemble half of a DNA molecule and carry the message containing instructions for protein synthesis from the DNA gene in the nucleus to the ribosomes in the cytoplasm
involves the transfer of information from DNA base sequence into the complementary base sequence of mRNA
slick membranes that line the ventral body cavity and cover the organs in that cavity
stradtified cubodical epithelium
usually has just 2 cell layers with the surface cells being in the cubodial shape.
highly modified, stratified squamous epithelium that forms the lining of only a few organs
retain their ducts, and their secretions empty through the ducts to the epithelial surface
has abundant collagen fibers hidden by a rubbery matrix with a glossy, blue white appearance
reticular connective tissue
a delacate nework of interwoven reticular fibers associated with reticular cells
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