Intro

Question 1

what are the 4 tissues in cells

Answer 1

epithelium, connective, contractile and nervous

Question 2

what are some examples of organelles for the cells

Answer 2

mitocondria, RER and lysosomes

Question 3

fluid mosaic model

Answer 3

lipids are not covalently linked to one another in a rigid matrix. cholesterol in the membrane modulates membrane flexibility

Question 4

what are the two general classifications of the membrane proteins

Answer 4

peripheral and integral

Question 5

which type of membrane protein is more loosely associated with the bilayer

Answer 5

peripheral

Question 6

what is most commonly used for a fixative?

Answer 6

formaldehyde

Question 7

what is needed to preserve ultrastructure?

Answer 7

glutaradlehyde

Question 8

about how thin are the histologic specimens?

Answer 8

less than 50 microns

Question 9

hematoxylin

Answer 9

basic dye that is bluish, purple. basophillic. include nucleic acids

Question 10

eosin

Answer 10

pink acidic dye. mitochondria

Question 11

what stains highlight connective tissue?

Answer 11

trichrome, greenish blue

Question 12

what stain identifies glycogen and other carbs

Answer 12

PAS, periodic acid-schiff

Question 13

what is the approximate size for erythrocyte

Answer 13

6-7 micron