RUSVM microanatomy exam 1 Questions and Answers Fully Solved Graded A+
centrally located usually. Containing chromatin. - Answers Nucleus
lightly stained. Uncoiled DNA accessible for transcription into RNA. ACTIVE. - Answers Euchromatin
Darkly stained. Condensed DNA. INACTIVE - Answers Heterochromatin
Dense, non-membrane bound. rRNA synthesis and ribosome assembly - Answers Nucleolus
Double lipid bilayer with nuclear pore complexes. Separates and mediates transport between nucleus
and cytoplasm - Answers Nuclear envelope
small structures free in cytoplasm or bound to rER. Protein synthesis; formation of peptide bonds
between amino acids to make polypeptide chains using mRNA as a template - Answers Ribosomes
segregates proteins not destined to the cytoplasm, glycosylation of glycoproteins, synthesis of
phospholipids, assembly of multi-chain proteins - Answers Rough endoplasmic reticulum
lipid biosynthesis, detoxification, sequestration of Ca ions - Answers Smooth endoplasmic reticulum
cristae
double membrane bound. ATP generation, apoptosis, necrosis. - Answers Mitochondria
Cisternae
final assembly and glycosylation of proteins, dispatch to their ultimate destination.
Requires a special stain to see
Best developed in secretory cells (Plasma cells) - Answers Golgi apparatus
membrane bound vesicles containing hydrolytic enzymes. Phago/pinocytosis - Answers Lysosomes
Very small, non-motile, absorptive.
Form a brush border.
Locations: outside ova, surface of RBC
Close together, organized - Answers Microvilli
Motile. Non-absorptive. Longer than microvilli
Shorter than stereocilia.
Hair-like - Answers Cilia (kinocilia)
Non-motile. Absorptive. (large microvilli) - Answers Stereocillia
, Small enzymatic complexes for intracellular digestion.
Ubiquitin - Answers Proteasomes
Degrade intracellular hydrogen peroxide
Catalase - Answers Peroxisomes
Melanin
Lipofuscin
Lutein
Hemosiderin - Answers Pigments
Black
Location: SKIN
Look like dunce caps! - Answers Melanin
Brown
Location: Present in cells with long lifespans, active (cardiomyocytes, etc)
Leftover by-product of cellular metabolism - Answers Lipofuscin
Yellow - Answers Lutein
Golden-brown
Derived from breakdown of hemoglobin
Location: SPLEEN - Answers Hemosiderin
Deposits of material that do not perform any specific chemical reaction
Pigments, glycogen, lipid droplets - Answers Cell inclusions
H&E (most common)
Azocarmine-mallory
Masson, crossmon - Answers Survey/ routine stain
Silver stain->reticular fibers, nerve fibers
Elastic fiber's stain -> weigert's, orcein
centrally located usually. Containing chromatin. - Answers Nucleus
lightly stained. Uncoiled DNA accessible for transcription into RNA. ACTIVE. - Answers Euchromatin
Darkly stained. Condensed DNA. INACTIVE - Answers Heterochromatin
Dense, non-membrane bound. rRNA synthesis and ribosome assembly - Answers Nucleolus
Double lipid bilayer with nuclear pore complexes. Separates and mediates transport between nucleus
and cytoplasm - Answers Nuclear envelope
small structures free in cytoplasm or bound to rER. Protein synthesis; formation of peptide bonds
between amino acids to make polypeptide chains using mRNA as a template - Answers Ribosomes
segregates proteins not destined to the cytoplasm, glycosylation of glycoproteins, synthesis of
phospholipids, assembly of multi-chain proteins - Answers Rough endoplasmic reticulum
lipid biosynthesis, detoxification, sequestration of Ca ions - Answers Smooth endoplasmic reticulum
cristae
double membrane bound. ATP generation, apoptosis, necrosis. - Answers Mitochondria
Cisternae
final assembly and glycosylation of proteins, dispatch to their ultimate destination.
Requires a special stain to see
Best developed in secretory cells (Plasma cells) - Answers Golgi apparatus
membrane bound vesicles containing hydrolytic enzymes. Phago/pinocytosis - Answers Lysosomes
Very small, non-motile, absorptive.
Form a brush border.
Locations: outside ova, surface of RBC
Close together, organized - Answers Microvilli
Motile. Non-absorptive. Longer than microvilli
Shorter than stereocilia.
Hair-like - Answers Cilia (kinocilia)
Non-motile. Absorptive. (large microvilli) - Answers Stereocillia
, Small enzymatic complexes for intracellular digestion.
Ubiquitin - Answers Proteasomes
Degrade intracellular hydrogen peroxide
Catalase - Answers Peroxisomes
Melanin
Lipofuscin
Lutein
Hemosiderin - Answers Pigments
Black
Location: SKIN
Look like dunce caps! - Answers Melanin
Brown
Location: Present in cells with long lifespans, active (cardiomyocytes, etc)
Leftover by-product of cellular metabolism - Answers Lipofuscin
Yellow - Answers Lutein
Golden-brown
Derived from breakdown of hemoglobin
Location: SPLEEN - Answers Hemosiderin
Deposits of material that do not perform any specific chemical reaction
Pigments, glycogen, lipid droplets - Answers Cell inclusions
H&E (most common)
Azocarmine-mallory
Masson, crossmon - Answers Survey/ routine stain
Silver stain->reticular fibers, nerve fibers
Elastic fiber's stain -> weigert's, orcein
