PHOTORESPIRATION Flashcards

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1
Q

Photorespiration

A

recycling pathway
2-PG, ATP, NADPH, glutamate
products: 3-PGA, CO2 and NH3
chloroplast, peroxisome, and mitochondrion

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2
Q

Peroxisome

A
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3
Q

Photo-respiratory cycle

A

Dephosphorylation and phosphorylation (ATP) in chloroplast
oxidation, reduction, transamination in peroxisome
condensation in mitochondrion (generate CO2 and NH3)

glycine (peroxisome) –> serine (mitochondrion) –> glycerate
product: 3-PGA

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4
Q

Transamination

A

GGAT
SGAT
important regulators of amino acid content in plants

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5
Q

Glycine decarboxylase complex

A

GDC
mitochondria
carbon carrier: THF
SHMT

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