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Biology Chapter 8

Vocab for chapter 8 biology

QuestionAnswer
Adenosine Triphosphate Adenosine Triphosphate (ATP), an energy-bearing molecule found in all living cells.
Heterotroph An organism that cannot synthesize its own food and is dependent on complex organic substances for nutrition.
Autotroph A organism capable of making nutritive organic molecules from inorganic sources via photosynthesis (involving light energy) or chemosynthesis (involving chemical energy).
Photosynthesis The synthesis of complex organic material using carbon dioxide, water, inorganic salts, and light energy (from sunlight) captured by light-absorbing pigments, such as chlorophyll and other accessory pigments.
Pigment Any material from which a dye, a paint, or the like, may be prepared; particularly, the refined and purified colouring matter ready for mixing with an appropriate vehicle
chlorophyll. The green pigment found in the chloroplasts of higher plants and in cells of photosynthetic microorganisms (e.g. photosynthetic bacteria), which is primarily involved in absorbing light energy for photosynthesis.
thylakoid a flattened sac or vesicle lined with a pigmented membrane that is the site of photosynthesis, in plants and algae
stroma The spongy, colorless matrix of a cell that functionally supports the cell.
NADP* nicotinamide adenine dinucleotide phosphate.A coenzyme serves as an electron carrier in a number of reactions
light-dependent reactions the first stage of photosynthesis, the process by which plants capture and store energy from sunlight.
light-independent reactions he series of biochemical reactions in photosynthesis that do not require light to proceed, and ultimately produce organic molecules from carbon dioxide.
photosystem functional and structural units of protein complexes involved in photosynthesis that together carry out the primary photochemistry of photosynthesis
Electron transport chain An electron transport chain (ETC) couples a reaction between an electron donor (such as NADH) and an electron acceptor (such as O2) to the transfer of H+ ions across a membrane, through a set of mediating biochemical reactions.
ATP synthase an important enzyme that provides energy for the cell to use through the synthesis of adenosine triphosphate
Calvin cycle a metabolic pathway found in the stroma of the chloroplast in which carbon enters in the form of CO2 and leaves in the form of sugar.
Created by: mmhernandez
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