Slide prep + overview part 1

Question 1

Mode of action of formaldehyde

Answer 1

reacts to amine groups (NH2) of proteins to prevent degradation

Question 2

mode of action of glutaraldehyde

Answer 2

cross links adjacent proteins, reinforces cell and ECM structure

Question 3

ennumerate physiologic functions of the cell

Answer 3

homeostasis
protein synthesis (major function)
energy production
digestion
reproduction/renewal
apoptosis 

HEPDAR

Question 4

longest cell

Answer 4

nerve cell

Question 5

largest cell

Answer 5

oocyte/ovum

Question 6

smallest cell

Answer 6

granule cells of cerebellum

Question 7

used as reference to estimate other cell sizes

Answer 7

RBCs

Question 8

composition of cell

Answer 8

water
proteins
nucleic acids
lipids
carbohydrates
vitamin, minerals, and salts

Question 9

characteristics of lipid bilayer

Answer 9

Flexible

Selectively permeable

Question 10

composition of lipid bilayer

Answer 10

phospholipids

cholesterol

Question 11

functions of integral proteins

Answer 11

pump
channel
receptors
linkers
enzymatic
structural

Question 12

integral protein that traverses both monolayers

Answer 12

transmembrane protein

Question 13

functions of peripheral proteins

Answer 13

signaling receptors
transport proteins
enzymes
structural proteins

Question 14

signaling platforms

Answer 14

Lipid rafts

Question 15

composition of lipid rafts

Answer 15

cholesterol

glycosphingolipids

Question 16

cell membrane characteristics in EM

Answer 16

trilaminar
2 outer electron dense lines (hydrophilic)
middle electron-lucent (hydrophobic)

Question 17

carbohydrate residues on outer leaflet

Answer 17

glycocalyx

Question 18

where does carbs attach on cell membrane?

Answer 18

lipids (glycolipids)

proteins (glycoproteins)

Question 19

function of glycocalyx

Answer 19

cell metabolism (enzymes for digestion)
cell recognition of other cells, hormones, ECM components