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H Bio Photosynthesis

Photosaynthesis MUST PASS

QuestionAnswer
What is photosynthesis? The process by which cells capture energy from the sun and combine the inorganic molecules, carbon dioxide and water, to form organic molecules like glucose.
What are photoautotrophs? Organisms that can make their own food by synthesizing their own food from photosynthesis.
What is a petiole? The stalk that attaches a leaf to the stem of a plant.
What is mesophyll? The tissue between epidermal layers where photsynthesis occurs.
What is a guard cell? 1 of a pair of specialized cells that boarder a stoma and regualte gas exchange.
What are the products if photosynthesis in a leaf used for, and where are they used within the plant? The photsynthesis in a leaf is used for sugar production and building blocks for plants cells.
The shorter the wavelength... the more violet the oject is.
What do biochemicals relate to? The chemical substances present in libving organisms and the reactions and methods used to identify or characterize them.
Chlorophyll b... Assists Chlorophyll a in harnessing light energy, making it an accessory pigment.
The most polar substance... will be attracted to the polar chromatography paper; therefore, it will move last and travels the least.
Chlorophyll is... the green pigment in plants that gives the most of their color and enables them to carry on the process of photsynthesis.
Light-dependent reactions: absorb solar energy by a series of biochemical reaction; they form the energy carrier molecules, ATP and NADPH
Calvin Cycle: Enzymes in the stroma use the energy of the carrier molecules to make glucose or other molecules.
Stroma is... Thick fluid surrounding the thylakoids
Primary Elcetron Acceptor ...In photosystem II accepts the electrons lost from chlorophyll a
An electron transport chain.... Donates the electrons to the first of a series of molecules located in the thylakoid membrane.
What is the energy that the electrons lose while moving from molecule to molecules used for? To pump protons into the interior of the thylakoid.
Protons accumulate inside the thylakoid by the splitting of water ubside the thylakoid and... a proton pump that transports H+ ions of the stroma into the thylakoid interior.
What is a granum? It's in the stacks that are layered thylakoids
Chemiosis The synthesis of ATP
Photosystem I and Photosystem II both donate protons to each other.
Water particles directly in the light reactions of photsynthesis by... donating elctrons to NADPH
The Synthesis of ATP is the energy that is used to establish the proton gradiet across the thylakoid membrane
What is a biochemical pathway? A complex series of complex chemical reactions.
What does photosystem II do? Replaces the lost electrons of photsystem I.
Does photosystem I or II come first? Photosystem II
Energy is need to open the... stroma
What pigments ejct electrons when excited by photons of light? Chlorophyll A
What type of transpot occurs when hydrogen ions are pumped into the thylakoid? Active Transport
What type of transport allows hydrogen to leave the thylakoid? Diffusion and passive transport.
In what stage of photosynthesis are the electrons used to form sugar? the Calvin Cycle
What are the final products of the light reactions? Oxygen, ATP and NADPH
LIGHT Excites electrons in pigment
ATP and NADPH Stores Chemical Energy
Pigments A substance that absorbs light
carbon Fixation the transfer of carbon dioxide to organic compounds
Created by: Kittenlove34
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