Chapter 8: Photosynthesis, Part 1 Flashcards Preview

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Flashcards in Chapter 8: Photosynthesis, Part 1 Deck (13):
1

-forms of radiant energy that differ in wavelength
-various forms range from radio waves to gamma rays

electromagnetic spectrum

2

in photosynthesis light is absorbed by green pigments

chlorophylls

3

in photosynthesis light is absorbed by yellow-orange pigments

carotenoids

4

the amount of light of different wavelengths that is absorbed by a pigment

absorption spectrum

5

the effectiveness of light of each wavelength in driving photosynthesis produces a graph called...

action spectrum

6

light absorbing pigments are organized with proteins and other molecules into large complexes embedded in thylakoid membranes and stromal lamellae

photosystems

7

this photosystem is first

photosystem 2

8

this photosystem is second

photosystem 1

9

-light harvesting complex
-contains chlorophyll pigments arranged to optimize the capture of light energy

antenna complex

10

contains a pair of specialized chlorophyll a molecules complexed with proteins

reaction center

11

electrons travel in a one-way direction from H2O to NADPH

noncyclic electron flow

12

-synthesis of ATP couple to the transfer of electrons energized by photons of light

photophosphorylation

13

photosystem I works independently of photosystem II in a circular process

cyclic electron flow