Biology Chapter 8 Vocabulary Review (Crossword Puzzle) – Flashcards
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Energy carrier cells use to transport high energy electrons
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NADP+
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cluster of pigments and proteins that absorb light
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photosystem
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A saclike photosynthetic membrane found in chloroplasts
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Thylakoid
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energy carrier made as a result of photosystem II
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ATP
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process of using the suns energy to make food
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photosynthesis
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man who worked out the light-independent reactions
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calvin
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liquid part of the inside of a chloroplast
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stroma
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chemical that absorbs light for photosynthesis
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chlorophyll
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light-absorbing chemical
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pigment
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organism that makes its own food
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autotroph
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The Light-_________ reactions occur in the thylakoid membranes.
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dependent
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Carbon dioxide is used to make sugars in the light-________reaction?
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independent
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The light-independent reactions are also called the ________.
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Calvin cycle
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_______ spins to provide the energy for adding a phosphate group to ADP.
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ATP
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Electron _________ move high-energy electrons between photosystems.
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transport chain
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An animal that obtains food by eating other organisms is called a(n)____________.
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Heterotroph
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explain the role of light and pigments in photosynthesis
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The light acts as the activation energy and pigments absorb specific wavelengths.
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explain the role of electron carrier molecules in photosynthesis
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electron carriers, "carry" electrons so that the electrons can reach oxygen at the end of the electron transport chain.
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Formula for photosynthesis
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6Co2 + 6H2o ---->C6H12o6 + 6O2
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light-absorbing molecules called what is a micture of all the different colors of visible light
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Pigments
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Light is a form of ____-
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energy
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what is the principal pigment in photosynthetic organisms.
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Chlorophyll
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What does chlorophyll absorb?
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Blue-violet and red light but reflects green
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electron carriers are used to transport the elctrons from chlorophyll to other molecules during what?
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Photosynthesis
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the light-dependent reaction what
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requires light
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the light-independent reaction
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does not use light
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the ________ of light determines its color.
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wavelength
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chemicals that absorb light are called what?
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pigments
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chlorophyll makes plants look green because it does what to green light?
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reflects it
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Chloroplasts contain an abundance of saclike photosynthetic membranes called what
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thykloids
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What is the fluid portion of the chloroplast located outside the thylakoids?
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Stroma
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The visible light absorbed bt chlorophyll ___________ the energy level of the chlorophyll's electrons
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raises
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Where do the high-energy electrons carried by NADPH come from?
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The sun
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what are the reactants of the photosynthesis reaction?
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Carbon dioxide and water
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What are the products of the light-dependent reactions?
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Oxygen and ATP
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where do the light-independent reactions occur?
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the stroma
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Thylakoid membranes contain..
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chlorophyl
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what does chlorophyl trap
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sunight
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what does sunlight provide
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light energy
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what is light energy for?
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light-dependent reaction
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Light-dependent reaction which convert light energy to
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chemical energy
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chlorophyll picks up electrons from what
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water
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water splits into
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H ions and O2
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reactants for photosynthesis are
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water and C02
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formula for glucose
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C6H12O6
