Bio Ch 7, Photosynthesis

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Photosynthesis

process where plants transform light energy into food

Chloroplasts

light absorbing organelles found in the cells of plants. (site of photosynthesis)

Chlorophyll

light absorbing pigment in the chloroplasts

Thylakoid

bubble of membrane inside chloroplasts.

Cyanobacteria

photosynthetic bacteria

ATP

the molecule providing energy for the cell to do anything (Adenosine Tri-phosphate)

ADP

adenosine di-phosphate

Light Reactions

energy of light is going to be captured in the form of the two molecules ATP and NADPH

NADPH

electron taxi with passengers

NADP+

empty taxi, without electron passengers

Photosystem

bunch of chlorophyll molecules

Function of ATP in cells

provides energy for the cell in everything that it does, transportation, muscle function, etc.

Colors green plants absorb

red, blue/violet

Calvin Cycle

In this system, CO2 comes in and the output is glucose

glucose and oxygen

The end products of photosynthesis are _____ and _____

oxygen source stored energy.

Which of the following includes some of the benefits of photosynthesis?

NADPH

Which of the following is produced by the light reactions of photosynthesis and consumed by the Calvin cycle?

deforestation

Global warming could be magnified by __________.

UV radiation and infrared radiation

In the electromagnetic spectrum, the type of radiation that we call visible light occurs between __________.

blue-violet and red-orange

chloroplasts absorb light mainly in the _____ and _____ part of the spectrum.

chlorophyll a

Which of the following is a pigment that participates directly in the light reactions by absorbing mainly blue-violet and red light?

shorter and greater

The _____ the wavelength of light, the _____ the energy of a photon.

splitting water

When light strikes chlorophyll molecules, they lose electrons, which are ultimately replaced by other electrons obtained by __________.

make sugar

The overall function of the Calvin cycle is __________.

NADPH

Which of the following provides a source of energy for the Calvin Cycle?

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