Ch.7: PHOTOSYNTHESIS: review questions

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Photosynthesis occurs in ___ main stages

2

recycled from the Calvin Cycle to make ATP:_______

ADP+P

Supplies energy to the Calvin Cycle:_______

ATP

Picks up energized electrons from reactions in the thylakoids :_______

NADP+

Reduced in the light reactions:_______

NADP+

Carries H and electrons from the light reactions to the Calvin Cycle:_______

NADPH

Oxidized in the Calvin Cycle:_______

NADPH

Source of H for the Calvin Cycle:______

NADPH

An _____ is an organism that makes its own food from inorganic molecules

autotroph

Gas consumed by reactions in the stroma:_______

carbon dioxide

Reduced in the Calvin Cycle:_______

carbon dioxide

Source of C for carbon fixation:_____

carbon dioxide

Source of O atoms that end up in glucose:_______

carbon dioxide

____ are yellow-orange pigments in a chloroplast

carotenoids

The reaction ___ complex is the part of a photosystem that donates excited electrons

center

_____is the green pigment in a leaf

chlorophyll

the ___is the cell organelle where photosynthesis takes place

chloroplast

Food produced by photosynthesis:_______

glucose

Where C and O atoms in carbon dioxide end up:_______

glucose

stacks of thylakoids in a chloroplast are called____

granum

Supplies energy to the light reactions:_______

light

the ____ reactions convert light energy to chemical energy

light

____ is the green tissue in the interior of a leaf

mesophyll

Shorter wavelengths of light have ___ energy than longer wavelengths

more

Gas produced by reactions in the thylakoids:_______

oxygen

Where O atoms from water end up:_______

oxygen

A ____ is a fixed quantity of light energy

photon

_____ is the process by which plants make food from carbon dioxide and water

photosynthesis

A _____ is a cluster of light-harvesting complexes in a thylakoid

photosystem

Oxidized in the light reactions:_______

water

Source of H and electrons that end up in glucose:_______

water

____oxidized in the process of photosynthesis

water

the color of light is related to its____

wavelength

Carbon ____ is the incorporation of carbon dioxide into organic compounds

fixation

____are the light-catching membranes in a chloroplast

thylakoids

sugar is actually made in the ____cycle

calvin

___energy travels through space as rhythmic waves

electromagnetic

when chlorophyll absorbs a photon, an _____becomes excited

electron

Carbon dioxide enters a leaf via pores called _____

stomata

The Calvin Cycle occurs in the _____ : the fluid of the chloroplast

stroma


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