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Lecture 6

Photosynthesis Light Dependent Reactions

QuestionAnswer
photosynthetic pigments are located on the thylakoid membrane are organized into clusters with proteins called.... photosystems
proteins + 200-300 pigment molecules = photosystem
each photosystem is located on the membrane next to an ____ ("functional partners") ETC- electron transfer chain
specific kinds of enzymes, co-enzymes or other proteins that are organized to accept and give up electrons, one after the other at a cell membrane between two compartments is called a... Electron Transfer Chain
the electrons are at a ____ energy level when they enter the ETC than when they leave; "lose/gain" energy along the way and make____ higher, lose, ATP
in light ____ reactions photosynthetic pigments absorb photons of appropriate wavelength dependent
in light dependent reactions electrons in the pigment are boosted to a higher energy level, then return to their ground state, releasing energy which is passed to a chlorophyll a molecule in the "____" reaction center
the cyclic pathway of ATP formation uses... PS 1 (Photosystem 1)
as photosynthetic organisms evolved, cyclic flow did not provide enough... energy
____ evolved, work in tandem with PS1, provides enough energy to split water to get electrons... type II photosystems
non-cyclic electron flow uses... PS II (Photosystem 2)
Created by: rachelaurenk