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P/R Vocabulary

Photosynthesis and Respiration Vocabulary

TermDefinition
Carbon/Oxygen Cycle A cycle of matter in which carbon dioxide and oxygen are cycled by the process of photosynthesis and respiration.
Photosynthesis A process by which most autotrophs use the light energy from the Sun to make their own food. Chemical equation: 6(CO2) + 6(H2O) + Light -> C6H12O6 + 6(O2)
Respiration A process by which all organisms (including autotrophs) break down food in order to obtain energy. Chemical equation: C6H12O6 + 6(O2) -> 6(CO2) + (6H2O) + Energy
Chemical Equation A representation of what occurs in a chemical reaction using the symbols for the chemicals involved.
Reactants The left side of a chemical equation; these chemicals combine together through the reaction to make the new products.
Products The right side of a chemical equation; these chemicals are the result of the chemical reaction.
Glucose The energy-containing chemical (sugar) produced through photosynthesis: C6H12O6
Stomata Pores or openings on the underside of leaves; they open to take in CO2 and release O2. H20 is lost as water vapor through transpiration
Mitochondrion A rod-shaped cell structure in which cellular respiration occurs so that the cell has the energy needed to carry out its life functions
Chloroplast An elongated cell structure containing chlorophyll where photosynthesis takes place.
Chlorophyll A green molecule in the chloroplast which uses light energy from the Sun to change water and carbon dioxide into sugar and oxygen.
Created by: Bella200