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Micro Test 2- Ch 5
Chapter 5
13
Microbiology
Undergraduate 1
02/18/2019

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Term
microtubules
Definition
long tubular structures made of protein that function in the structure, shape, and movement of eukaryotic cells
Term
cilia
Definition
eukaryotic structure similar to flagella that propels a protozoa through the enviornment
Term

glycocalyx

(eukaryotes)

Definition
a filamentous network of carbohydrate rich molecules that coats cells
Term
nucleus
Definition
a prominent spherical organelle that is encased by a double membrane or envelope, site where the majority of a cell's DNA is housed
Term
nucleolus
Definition
a granular mass containing RNA that is contained within the nucleus of a eukaryotic cell
Term
chromatin
Definition

the genetic material of the nucleus 

chromatin is made up of nucleic acid and stains readily with certain dyes

Term
histones
Definition

proteins associated with eukaryotic DNA 

serve as scaffolding to compact and condense DNA into chromosomes while also enhancing or preventing the expression of certain genes. 

Term
chromosome
Definition

tightly coiled bodies within cells comprised of DNA 

primary locations of genetic material

Term
Smooth Endoplasmic reticulum
Definition
microscopic series of tunnels lacking ribosomes functions in the nutrient processing functions of the cell
Term
Rough endoplasmic reticulum
Definition

microscopic series of tunnels that originates in the outer membrane of the nuclear envelope and is used in transport and storage

large numbers of ribosomes partly attached to the membrane give it a rough appearance

Term
golgi apparatus
Definition

organelle that collects and packages proteins for transport

flattened disc shaped sacs looks like a stack of pita bread 

Term
lysosome
Definition
an endoplasmic organelle containing lysozyme and other hydrolytic enzymes
Term
lysosome
Definition
an endoplasmic organelle containing lysozyme and other hydrolytic enzymes
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