Urea Cycle Flashcards
1
Q
Converts excess amonia into urea in the mitochondria of liver cells
A
Urea Cycle
2
Q
Provides ______ g urea daily for urine formation in the kidneys.
A
25-30g
3
Q
Reaction 1 of urea cycle
A
Transfer of Carbomyl group
4
Q
Reaction 2 of urea cycle
A
Condensation with aspartate
5
Q
Reaction 3 of urea cycle
A
Cleavage of Fumarate
6
Q
Reaction 4 of urea cycle
A
Hydrolysis forms urea
7
Q
Formula for urea cycle
A
NH4 + CO2 + 3ATP + Aspartate + 2H2O →Urea + 2ADP + 4Pi + Fumarate
8
Q
Site of formation of Urea
A
Cytosol
9
Q
Site of carbomyl phosphate
A
Mitochondrion
10
Q
Site of aspartate combines with citrulline
A
Cytosol
11
Q
Site of Fumarate is cleaved
A
Cytosol
12
Q
Site of citrulline forms
A
Mitochondrion