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sgu vet histo set 1
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what do cells have in it (4)
nucleus
cytoplam
organells
inclusions
a cells shape, size and structure determines what
it's function
a cells function effects it's what (3)
shape
size
structure
what is the range of a cell membrane's width
8-10nm
another name for cell membrane
plasmalemma
what is the plasmalemma
cell membrane
what protiens are in the cell membrane (2)
integral transmembrane protein
peripheral membrane protein
what protects the cell from mechanical and chemical damage
glycocalyx
what's the function of the glycocalyx
protects the cell from mechanical and chemical damage
what is the glycocalyx coat made up of (2)
glycolipid
glycoprotein
what does glycolipid and glycoprotein make up
glycocalyx coat
what is the cell membrane's function (2)
selective permeability
special receptors for 1.antigen recognition 2.immunological mechanisms (phogocytosis) 3. hormone activation (petuitary gland in brain)
what are the special receptors for the cell membrane (3)
antigen recognition
immunological mechanisms (phagocytosis)
hormone activated (petuitary gland in brain)
what is the nucleus' width
25nm
what does the nucleus contain (3)
chromatin
nucleolus or nucleoli
nuclear matrix
what cell structure has chromatin, nucleolus or nucleoli, and a nuclear matrix
nucleus
what shapes does the nucleus have (4)
most have spherical or ovid
spindle (smooth m.)
bean or kidney (monocytes)
multilobulated (eucocytes/neutrophils)
what nucleus shape do smooth m. have
spindle
what has a spindle shaped nucleus
smooth m.
what nucleus shape do monocytes have
bean or kidney
what has a bean or kidney shaped nucleus
monocytes
what nucleus shape do most cells have
spherical or ovid
what has a spherical or ovid shaped nucleus
most cells
how many nucli do most cells have
one (1)
how many nucli do skeletal muscles have
several
how many nucli do osteoclasts have
several
what cells/tissus have several nucli in them (2)
skeletal muscle
osteoclasts
how many nucli do mammalian erythrocytes have
zero (0)
what cells normally do not have nucli
mammalian erythrocytes
what is made up of 2 concentric membranes
nuclear envelope
what is the nuclear envelope made of (3)
outer membrane
inner membrane
numberous pores for 1.secetive transport 2.active transport
what is studed with ribosomes and is the origin of the rER
outer membrane of the nuclear envelope
what does the outer membrane of the nuclear envelope contain (2)
studed with ribosomes
continuous with rER
what is bound to membrane protiens, which are specific sites for hetero chromatin to attach
inner membrane of the nuclear envelope
what is the numerous pores of the nuclear envelope's function (2)
selective transport
active transport
what are the types of chromatin (2)
heterochromatin
euchromatin
what does chromatin contain
chromosal material
DNA
basic proteins
chromosomal protiens (histones/non-histones)
what contains chromosomal meterial
chromatin
what make up the chromosomal proteins (2)
histones proteins
non-histones proteins
heterochromatin has what appearence and what type of cell are they found in (2)
basophilic clumps
inactive cells
euchromatin has what appearence and what type of cell are they foind in (2)
lightly stained with no clumps (uniformally dispersed)
active cells
what is a bar body and where are they found (2)
a drumstick clump
found in female neutrophils
what type of chromatin is found in inactive cells
heterochromatin
what type of chromatin appears as basophilic clumps
heterochromatin
what type of chromatin is found in active cells
euchromatin
what type of chromatin appears as being lightly stained w/ no clumps due to it being uniformally dispersed
euchromatin
what is the drumstick clump found in female neutrophils
bar body
what do nucleolus contain (3)
DNA
ribosomal RNA (rRNA)
pores for rRNA to move in/out
what contains DNA and ribosomal RNA (rRNA)
nucleolus
what is the darker stained dot in a nucleus
nucleolus
how do nucleolus present (2)
spherical
basophilic (purple)
where do rRNA get synthesized
nucleolus
what is the function of the nucleolus
to synthesize rRNA
a nucleolus is prominent in what
cells that are actively synthesizing protines
where are ribosomes found (2)
free floating in cytoplasm
on rER and outer membrane of the nuclear envelope
what is either free floating in the cytoplasm or on rER/outer memberane of the nuclear envelope
ribosomes
how big is a ribosome
15-25nm in diameter
where are ribosome not found
in mature mammal erythrocytes
what is not found in mature mammal erythrocytes
ribosomes
what are robosome's function
make protiens
what makes proteins
ribosomes
how do ribosomes present, is it basophilic or acidophilic
purple (absorbs hematoxylin)
basophilic
what is 15-25nm in diameter and is basophilic
ribosomes
what are multiple ribosomes called (2)
polyribosomes
polysomes
what are polyribosomes
multiple ribosomes
what are polysomes
multiple ribosomes
Author
onaktan
ID
6226
Card Set
sgu vet histo set 1
Description
cell, cell membrane, nucleus, nuclear envelope, chromatin, nucleolus, ribosomes
Updated
2010-02-07T03:15:05Z
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