AS Biology Paper 2 Flashcards
1
Q
Gill lamallae
A
Provides rich blood supply and large surface area - this is the main site of gaseous exchange in the fish.
2
Q
Gill filaments
A
Provides large surface area for gas exchange but needs water to keep them apart.
3
Q
Triglycerides
A
Contains Glycerol which is connected to three fatty acids with ester bonds.
4
Q
Saturated and Unsaturated fatty acids
A
Saturated fatty acids don’t have any double bonds, they are saturated only with hydrogen.
Unsaturated fatty acids have at least one double bond between their carbon atoms.
5
Q
Globular Proteins
A
- Round and compact
- Soluble
- Range of functions
-Hemoglobin
-
6
Q
Fibrous Proteins
A
T
7
Q
T
A
T
8
Q
T
A
T
9
Q
T
A
T
