Term
functional organization of the body |
|
Definition
Cells, tissues(epithelium, muscle, connective, nervous) organs (stomach, heart, lung, skin), organ sys (digestive, repiratory, excretory), you and me DAWG! Ie a humanbeing broseph! Go CERTS! |
|
|
Term
how to cells vary generally speaking |
|
Definition
Size/Shape, internal structure, life span/rate of self renewal |
|
|
Term
|
Definition
complex of carbohydrates on the external surgace of the plasma membrane which are covalently attached to proteins or lipids |
|
|
Term
|
Definition
internalizations of small membrain vesicles less then one micron from the plasma memrane |
|
|
Term
|
Definition
"cell drinking" uptake of fluid by a continuous process also provides a mechanism for membrane recycling |
|
|
Term
Receptor mediated endocytosis |
|
Definition
requires receptor ligand binding for vesicle formation and internalization, ligand bound receptor initiates requitement of adaptin which initiates formation of clathin coat responsible for invagination, dynamin pinches membrane completeing internalization |
|
|
Term
exocytosis and the two types |
|
Definition
fusion of cytoplasmic vesicles with the plasma membrane and release of the vesicle contents 1)regulated requires extracellular signal for vesicle fusion and released regulated secrtion ie hormones and schtuff! 2) constituative exocytosis- secretion is a continous process |
|
|
Term
|
Definition
uptake of material on the basal or apical side is take from one of the cell and released on the other |
|
|
Term
|
Definition
composed of two unit membranes inner and out which are seperated by parinuclear space, membranes space are contunous with ER. Outer layer has ribosomes, nuclear pores are large highly regulatory protein (octet) structures that cross both membranes |
|
|
Term
|
Definition
intermediate filament on the inner nuclear membrane which provide support for nuclear membrane |
|
|
Term
nucleolus, nucleolar organizing centers (aka?), pars fibrosa, pars granulosa |
|
Definition
nucleolus: site of ribosomal RNA syn and intial ribo subunit assebly, NOC aka fibrillar centers: are pale staining regions containing DNA encoding rRNA, Pars fibrosa: electron dense fribrillar region compased of ribo RNA transcripts, Pars granulosa: granular appearing region compased of maturing ribo partiples |
|
|
Term
|
Definition
DNA + protein but mostly histone protein, chromatin exist in transciptinally active and inative states |
|
|
Term
|
Definition
transciptionally active dispersed light staining |
|
|
Term
|
Definition
transciptionally inavtive condensed dark staining |
|
|
Term
|
Definition
cytoplasmo of the nucleous |
|
|
Term
Rough ER, breifly describe and types of proteins made here |
|
Definition
falttened membranes sacs that are continuous with nuclear membrane, proteins for secretion, lysosomal proteins, proteins that function in the ER and golgi, some membrane lipds/proteins |
|
|
Term
Smooth ER breigly describe form and function with the types of things synthesized |
|
Definition
tubular memranous structure contuous with endoplasmic reticulum, no ribos, responsible for syn: triglycerides, cholesterol, steroid hormones, functions to detox, and calcium storage |
|
|
Term
unboud ribo what kind of proteins do the syn |
|
Definition
cytoplasmic prots, mitochdial prots peroxisomes and nuclear proteins |
|
|
Term
|
Definition
fuse with plasma membrane there by delivering membrane lipids and proteins, form secretory vescles, |
|
|
Term
|
Definition
secretory vevsciles with enzymes |
|
|
Term
|
Definition
single membrane vesicles with oxidative enzymes important roles in detox |
|
|
Term
2 common forms of pigment |
|
Definition
Lipofuscin pigment: indigestible residues of oxidation prouctions of lipid catabolism, melanin, primary syn by melanocytes |
|
|
Term
cytoskeleton function and 3 primary components |
|
Definition
gives shape support for the cell provides cell motility and facilitates intracellular transport microfilament, intermediate filaments, microtubes |
|
|
Term
Microfilaments size function make up |
|
Definition
4-6nm filaments composed of actin function in cell movement and extensio nof cellular processses |
|
|
Term
intermediate fillament size function make up |
|
Definition
structurally and chemically heterogenous, 8-10nm filaments which are cell type specific function in structual support |
|
|
Term
microtobules size function make up inaddition to structures commonly seen in the cell |
|
Definition
18-20 nm tubules composed of β and α tubulin multiple functions structures include Centriole, basal body, axome mitotic spindle |
|
|
Term
|
Definition
short rod structure compsed of 9 sets of three microtubles centroles cocur in pairs (diplosome) need the nucleus function in navigating chromosome to opposing sides during mitosis |
|
|
Term
|
Definition
same structure as the centriole located at the base of cilia and flagell providing support and MT's seving as the source of core for the stuctures 9 pairs of 2 MT's with 2 in the center |
|
|
Term
|
Definition
forms the core of cilia and flagell and provides for the movement made of MT's |
|
|
Term
|
Definition
individual MT's which extend from the centrioles to the kinetochore of chromatid durig cell division |
|
|
Term
|
Definition
Longest phase of the cycle. Includes Go, G1, S, G2 |
|
|
Term
|
Definition
Replicated DNA condenses into chromosome pairs. These chromatids are attached at the centromere. |
|
|
Term
|
Definition
•Centrosomes at the opposite poles of the cell. •Sister chromatids align at the equatorial plate. |
|
|
Term
|
Definition
Sister chromatids separate, each moving towards an opposite pole. |
|
|
Term
|
Definition
Cleavage furrow forms, and separation occurs with a contractile ring of actin and myosin filaments. We see the nucleolus reforming and the ultimate division of the two daughter cells. |
|
|