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which of the Following organelles is not enclosed with a membrane?
(ribosomes-mitochondria-lysosomes-golgi apparatus)
Ribosomes
Cell membrane with E.M. appears as …
Trilaminar
The most abundant molecules in the Cell membrane are ...
Phospholipids
What is the largest molecule in the Cell membrane?
Transmembrane Protein
which of the following Component of the Cell membrane acts as a Chamel?
Transmembrane Protein
Cell Cost (glyco Calyx) is formed of -
glycolipids & glycoproteins
which of the following enzymes is a marker of mitochondria?
Succinic dehydrogenase
Initial glycosylation of Proteins occurs in
rough endoplasmic reticulum (RER)
Final glycosylstion of Proteins occurs in
golgi apparatus
with H&E, the unstsined Area near the nucleus in a basophilic Cytoplasm
Golgi apparatus (negative gelgi image)
which of the following is a marker of lysosomes
acid Phosphatase enzyme
All of the following filament are 10 nm except
Actin filaments
which of the dna filaments Can Perform Contraction
Actin filaments
shaft of Cillia
how many microtubules?
20 microtubules
Flagella
how many microtubules?
20 microtubules
Centriole
how many microtubules?
27 microtubules
Basal body
how many microtubules?
27 microtubules
glycogen inclusions are specially stained by
Best's Carmine
lipid inclusions are specially Stained by
Sudan Black
Osmic acid
All of the following are Call inclusions except?
melanin
hemoglobin
lipofuscin
glycogen
action
actin
which of the following is a part of Cytoskeleton?
melanin
hemoglobin
lipofuscin
glycogen
actin
actin
Compare between the vesicular and the condensed nucleus
mention Components of nuclens with E.M.
1- nuclear membrane 2- nucleolus
3-nuclear Sap 4- Chromatin
Compare between the Euchromatin and the Heterochromatin
when the activity of the nucleus increases what happens to its components ?
Chromatin becomes invisible
Nuclear Pores increase
nuclear Sap increases
name 2 membranous organelles ?
ممكن تكتب اجابه غير بتاعتي وتبقي صح عادي
lysosomes and mitochondria
name 2 non membranous organelles
ribosomes and centrioles
mention the sites of actin filaments
skeletal muscle
microvilli
cell cortex
contractile rings
mention 3 types of cell inclusions
glycogen lipids and pigments
list 4 intermediate filaments
keratin vimentin desmin neuro
mention the components of the nucleus with em
nucleolus chromatin nuclear membrane and nuclear sap
The Chromosomes are ideal for Karyotyping in what phase
Metaphase
Chromosomal Content in G1 stage of interphase
46 S-chromosomes
Chromosomal Content in S stage of interphase
92 s-chromosome
Chromosomal Content in G2 stage of interphase
46 d-chromosome
Duplication of Centrioles occurs in
G2 stage of interphase
check Point of Prophase is
nucleolus disappears
The Karyotyle of Klinefelter's Syndrome
47,XXY
The Karyotyle of turner's Syndrome
45,XO
The Karyotyle of triple X Syndrome (Superfemale)
47,XXX
The Karyotyle of Down's syndrome in male
47,XY+21
The Karyotyle of Down's syndrome in female
47, XX +21
Partial deletion of short arm of the 4th Chromosome leads to ...
Wolf syndrome
Partial deletion of short arm of the 5th Chromosome leads to ....
Cri-Du-chat syndrome
Translocation of a piece of chromosome no. 22 to Chromosome no. will lead to ---
Philadelphia Chromosome
name 2 numerical chromosomal abnormalities
klienfilter and turner syndrome
ممكن تكتب اجابه غير بتاعتي وتبقي صح عادي
name 2 structural chromosomal abnormality
cri-du-chat and wolf syndromes
write the karyotype of
1-normal female
2-female down
3-klinefelter
4-turner
1-46,XX
2-47,XX+21
3-47,XXY
4-45,X0
epithelial tissue is charactrized by the following except
A closely aggregated cells
B little intercellular subs
C have basement membrane
D richly vascularized
it will be D
richly vascularized
what is the site of simple squamous epithelium
in blood vessels (aorta)
lung alveoli
single layer of flat cells with bulging nuclei is found in
blood vessels (aorta)
lung alveoli
simple cubiodal epithelium is found in
thyroid follicles
renal tubules
cube like cell with central and rounded nuclei is found in……
thyroid follicels
renal tubules
what is the site of simple columnar secrotory epithelium
stomach
what is the site of columnar absorptive
small intestine
what is the site of simple columnar ciliated
fallopian tube
pseudo stratified columnar ciliated epithelium found in
trachea & bronchi
pseudo stratified columnar non ciliated epithelium found in ……
large ducts of glands
stratified squamous non-keratinized epithelium found in ?
mouth cavity
esophagus
stratified squamous kratinized epithelium is found in ….
epidermis of the skin
large top umbrella cells are found in …..
stratified transitional epithelium
enumerate types of simple epithelium
1-simple squamous epithelium
2-simple cuboidal epithelium
3- simple columnar epithelium
4-pseudo stratified columnar epithelium
with cells secrete pure mucus
goblet cells
witch cells secrete a pure serous
parotid gland
which gland secret both mucus & serus
submandibular gland
when the apical part of the cell is damaged during the process of secretion , the cell is termed
apocrine gland
when the whole cell is damaged during the process of secretion the cell is termed
holocrine gland
which junctions is concerned with communications between cells
gap junction
a junction witch have a space of about 2 nm in diameter
gap junction
classify glands according to the mode of secretion
1- merocrine gland
2- apocrine gland
3- holocrine gland
enumerate cells of neuroepithelium
1- sensory cells
2- supporting cells
3- basal cells
What's the most common connective tissue cell
Fibroblast
Which cell synthesis collagen and elastin
Fibroblast
Signet ring shaped cells is character for…………
Unilocular Adipocyte (white)
Unilocular Adipocyte C.T it's special stain is ……
Sudan black
Which cell contain small sized lipid droplet and numerous mitochondria
Multilocular Adipocyte (brown)
Which cell arise from monocytes
Macrophage (Histiocytes)
Which cell contain numerous lysosomes
Macrophage (histiocytes)
Which cell stained by vital stain
Macrophage
Mast cell special stain is
Toluidine blue
What colour mast cell give by toluidine blue
Red or purple
Which cell synthesis heparin and histamine
Mast cell
Clock face appearance of the nucleus is character of
Plasma cell
Which cell synthesis the Antibodies
Plasma cell
Collagen fibers are specially stained by
Mallory trichrome stain
Type 1 collagen is found in
Tendon
Dermis of the skin
Which type of collagen is found in cartilage
Type 2
Which type of C.T. fibers forms stroma of parenchmatus organ
Reticular fiber
Reticular fibers Staind by
Silver stain
Elastic fibers stained by
Ver hoef’s stain
Which of the following is not a C.T Proper type
Loose
Dense
cartilage
Reticular
Adipose
Catilage
What is the most common C.T. Proper type
Loose C.T
Jelly like ground substance rich in hyaluronic acid
Mucoid C.T
mucoid C.T. is found in?
umbilical cord
Dense irregular collagenous example
Dermis of the skin
Mucoid present in
Umbilical cord
Dense regular collagenous in
Tendon
Dense regular elastic in
Aorta
Unilocular Adipose tissue is present in
Subcutaneous adipose tissue
name 2 free connective tissue cells
mast cells,plasma cells
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