Chick v2 Flashcards
1
Q
amniote egg
A
vertebrates that have an amnion during development
2
Q
Vitelline envelope
A
extracellular coat surrounding an ovum
3
Q
Large quantity of yolk
A
Macrolecithal
4
Q
Material of eggshell
A
calcium carbonate
5
Q
Three layers of eggshell (outer –> inner)
A
cuticular –> spongy –> mammillary
6
Q
on the inside of the shell you should see?
A
two membranes
7
Q
Internal temp of hen
A
41 deg C
8
Q
Major component of albumen
A
Water (88%)
9
Q
Ovalbumen is what type of protein?
A
glycoprotein
10
Q
Function of lysozyme
A
Disrupts bacterial cell walls
11
Q
Fxn of ovotransferrin
A
Binds iron
12
Q
Fxn of avidin
A
Binds biotin
13
Q
What is importance of iron/biotin?
A
Essential for growth of bacteria
14
Q
Antiviral activity proteins
A
ovostatin, cystatin
15
Q
Cordlike structures attached to yolk membrane
A
chalazae
