Some Dude Stuff

The reaction labeled B is

• Endergonic and catalyzed

• Endergonic

• Exergonic and catalyzed

• Irreversible and spontaneous

The proton gradient created across the thylakoid membrane depends greatly on which of the following as its source of power?

• Oxygen

• Light

• NADPH

• ATP

• CO₂

Within a chloroplast the few hundred chlorophyll a molecules located in photosystem II function to

• Absorb carbon dioxide

• Release oxygen

• Synthesize ATP

• Extract electrons from water

• Gather light

Which materials are utilized during the Calvin cycle in order to reduce fixed carbon to carbohydrate?

• Sunlight

• NADPH and ADP

• O₂ and CH₂O

• Electrons and ATP

• NADP⁺ and CO₂

Light absorbed by chlorophyll drives a transfer of electrons and hydrogen from water to an acceptor called

• NAD⁺

• ADP

• O₂

• NADP⁺

• CO₂

During photosynthesis, letter X marks the spot for which of the following processes?

• Calvin cycle, glycolysis, and ATP synthesis

• Calvin cycle, electron transport chain, and photosystem I

• Photophosphorylation, photosystem I, and carbon fixation

• Carbon fixation, electron transport chain, and ATP synthesis

• Photosystem II, electron transport chain, and photosystem I

During photosynthesis, energized photosystems embedded in the thylakoid membranes of chloroplasts produce which of the following?

• ATP and NAD⁺

• ATP and NADPH

• ADP and H₂O

• Sugar and O₂

• H₂O and ATP

Oxygen given off by plants is derived from

• Carbon dioxide

• Water

• The sun

• Nitrogen elements in the soil

• Cell respiration

In plants, ATP is synthesized in the

• Chloroplasts and endoplasmic reticulum

• Chloroplasts and mitochondria

• Cytosol and mitochondria

• Mitochondria and nucleus

• Chloroplasts and cytosol

The immediate product of the Calvin cycle is

• Glucose

• Glycogen

• PGAL

• Polypeptides

• Starch