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Biology Unit 4

WSHS Biology - Unit 4 Terms

QuestionAnswer
Adenosine triphosphate (ATP) one of the principal chemical compounds that living things use to store and release energy
Photosynthesis porcess by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
Pigment light-absorbing molecule
Chlorophyll principal pigment of plants and other photosynthetic organisms; captures light energy
NADP+ nicotinamide adenine dinucleotide phosphate – one of the carrier molecules that transfers high-energy electrons from chlorophyll to other molecules
Light dependent reaction reactions of photosynthesis that use energy form light to produce ATP and NADPH
Calvin Cycle (Light independent reaction) reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugars
Glycolysis first step in releasing the energy of glucose, in which a molecule of glucose is broken into two molecules of pyruvic acid
Cellular respiration process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
NAD+ nicotinamide adenine dinucleotide – electron carrier involved in glycolysis
Fermentation process by which cells release energy in the absence of oxygen
Anaerobic process that does not require oxygen
Aerobic process the requires oxygen
Krebs cycle second stage of cellular respiration in which pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions
Electron transport chain a series of proteins in which the high-energy electrons from the Krebs cycle are used to convert ADP into ATP
Created by: ktedder
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