Urea Cycle Flashcards

1
Q

Converts excess amonia into urea in the mitochondria of liver cells

A

Urea Cycle

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2
Q

Provides ______ g urea daily for urine formation in the kidneys.

A

25-30g

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3
Q

Reaction 1 of urea cycle

A

Transfer of Carbomyl group

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4
Q

Reaction 2 of urea cycle

A

Condensation with aspartate

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5
Q

Reaction 3 of urea cycle

A

Cleavage of Fumarate

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6
Q

Reaction 4 of urea cycle

A

Hydrolysis forms urea

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7
Q

Formula for urea cycle

A

NH4 + CO2 + 3ATP + Aspartate + 2H2O →Urea + 2ADP + 4Pi + Fumarate

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8
Q

Site of formation of Urea

A

Cytosol

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9
Q

Site of carbomyl phosphate

A

Mitochondrion

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10
Q

Site of aspartate combines with citrulline

A

Cytosol

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11
Q

Site of Fumarate is cleaved

A

Cytosol

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12
Q

Site of citrulline forms

A

Mitochondrion

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