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Histology
Cells
42
Histology
Graduate
10/23/2012

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Cards

Term
DNA and RNA are stained with the dye __________
Definition
hematoxylin
Term
Hematoxylin is a _______ dye that binds with _______ groups and stains them a __________ color.
Definition
basic, acidic, purplish-blue
Term

True or False:

DNA and RNA are acidic

Definition
True
Term
Proteins are stained with _______
Definition
eosin
Term
Eosin is a _______ dye that binds _______ groups, staining them a _________ color
Definition
acidic, basic, pink-orange
Term
Ribosomes would show up as a _______ color when treated with hematoxylin and eosin dye
Definition
purple-blue
Term
The nucleus shows up as a _________ color when stained with hematoxylin and eosin dyes
Definition
purple-blue
Term
The rough endoplasmic reticulum shows up a ______ color when stained with hematoxylin and eosin dyes
Definition
purple-blue
Term
Proteins show up a _________ color when stained with hematoxylin and eosin dyes
Definition
pinkish
Term
Carbohydrates are revealed with _____________ staining
Definition
periodic-acid Schiff (PAS)
Term
You should use ____ to estimate the relative size of cells
Definition
RBCs
Term

Which is more detailed?

Light Microscopy

Transmission Electron Microscopy

Definition
Transmission Electron Microscopy
Term
The nuclear envelope is continuous with the ___________
Definition
RER (rough endoplasmic reticulum)
Term
__________ selectively allow molecules to pass through the nuclear envelope.
Definition
Nuclear pores
Term
Is euchromatin or heterochromatin more condensed?
Definition
heterochromatin
Term
The _________ is the site of mRNA and rRNA synthesis.
Definition
nucleolus
Term

True or False:

The nucleolus is membrane-bound

Definition
False
Term
The inner projected folds of the mitochondria are called _______
Definition
cristae
Term
The main role of mitochondria is ____________
Definition
ATP production
Term
Releasing __________ from mitochondria leads to apoptosis
Definition
cytochrome C
Term
Neutral triglycerides and lipids are stained by _________ staining.
Definition
Oil Red O
Term
Protein synthesis occurs in the ________
Definition
cytoplasm
Term
Membrane proteins made by the rough ER system are transported to the _____ for modification and are then packed into ______ to leave the cell.
Definition
Golgi, vesicles
Term
The _________ is responsible for lipid biosynthesis and membrane repair.
Definition
smooth endoplasmic reticulum
Term
Free ribosomes produce ________ proteins.
Definition
cytoplasmic
Term
The stacked and flattened smooth membranes of the Golgi are known as _________
Definition
cisternae
Term
The Golgi apparatus is visualized as a ______ zone near the nucleus.
Definition
clear
Term

True or False:

The Golgi apparatus stains poorly.

Definition
True
Term
Endosomes deliver proteins to ________
Definition
lysosomes
Term
Lysosomes would show as a ________ color when stained with hematoxylin and eosin
Definition
pinkish
Term

Role of glycoproteins:

1. _______________

2. _______________

3. _______________

4. _______________

Definition

1. cell recognition

2. cell signaling

3. mechanical protection

4. antigenicity

Term
Carbohydrates often make a "sugar coat" around cells, which is called ________
Definition
glycocalyx
Term
Which are larger: microtubules or microfilaments
Definition
microtubules
Term
Microvilli contain _____ filaments
Definition
actin
Term
Thousands of microvilli at the cell surface is known as a __________
Definition
brush border
Term
The web of actin and other proteins at the base of the brush border is known as the ____________
Definition
terminal web
Term
The terminal web is used as __________________
Definition
support for the plasma membrane
Term
_____________ permit movements of vesicles
Definition
Microtubules
Term
The _________ is a microtubule organizing center
Definition
centrosome
Term
___________ allow movement of chromosomes during mitosis
Definition
Microtubules
Term
__________ are inside cilia and flagellae
Definition
Microtubules
Term
The organizing center of microtubules is called a ___________
Definition
basal body
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