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Human Physiology
Physiology Power Point 4 Cells and Tissues
28
Physiology
Undergraduate 2
03/17/2013

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Cards

Term
Organelles perform ........... task
Definition
Organelles perform specialized task
Term
Organelles are placed into two categories
Definition

Membranous organelles

Non-membranous organelles

Term
Cytosol?
Definition

semigelatinous intracellular fluid

medium for suspension of organelles, ions, nutrients, and waste

Term
Special structural features of cell membranes
Definition

microvilli

cilia

stereocilia

flagella

Term
Properties of Cytoskeleton
Definition

strength

support

shape

transport

cell to cell links

 

Term
protein fibers of Cytoskeleton
Definition

microfilaments

intermediate

microtubules

Term
Centrosomes organize?
Definition
Centrosomes organize microtubules
Term
Centrioles are bundles of
Definition
microtubules
Term
Centrioles direct ...... movement
Definition
Centrioles direcr DNA movement
Term
Properties of cilia and flagella
Definition

contain motor proteins

have a 9 outer and 2 inner microtubule pattern

cilia move fluids

flagella move sperm

Term
Rough endoplasmic reticulumn looks like
Definition
sand paper
Term
ribosomes are attached to the
Definition
rough endoplasmic reticulumn
Term
ribosomes have .... subunits
Definition
2
Term
Function of ribosome is to
Definition
transfer messages from DNA
Term
Purpose of the rough endoplasmic reticulum
Definition

protein synthesis

storage

modification

transport vesicles

Term
Purpose of smooth endoplasmic reticulum
Definition

synthesis

conversion of FA, steroids and lipids

store Ca2+ in muscles

Term
Golgi apparatus
Definition

known as post office of the cell

labels proteins

packaging into secretory and storage vesicles

Term
lysosomes digest?
Definition
lysosomes digest enzymes of bacteria and old organelles
Term
Peroxisomes
Definition

are smaller than lysosomes

degradate long chain FA's

generate hydrogen peroxide

contain catalase

Term
what has its own DNA and is self replicating
Definition
Mitochondria
Term
A Mesenchymal cell is?
Definition
A stem cell
Term
Apoptosis
Definition
programmed cell death
Term
Necrosis
Definition
traumatice cell death
Term
examples of Necrosis
Definition

lack of O2, trauma, toxins

cell rupture = tissue damage and inflammation

Term
Main component of cytosol
Definition
water
Term
Desmosomes
Definition
are anchoring junctions
Term
CAM?
Definition
Cell adhering molecule
Term
Cadherins
Definition
calcium dependant cell adhesion molecule
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