primary electron acceptor (PEA). They are then passed onto a series of molecules known as the electron transport chain (ETC). The electrons eventually combine with a proton and NADP+ to form NADPH. Another process called chemiosmosis also occurs in the light reaction. Chemiosmosis is a process in which ATP (energy) is produced. So‚ light‚ H2O‚ ADP and NADP+ are required for the light reaction and O2‚ ATP & NADPH is produced. The ATP and NADPH molecules then go into the dark reactions. In the dark
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TOPIC 3.7 + 8.1: CELL RESPIRATION 3.7.1 Define cell respiration. Cell respiration is the controlled release of energy from organic compounds in cells to form ATP (adenosine triphosphates). 3.7.2 State that‚ in cell respiration‚ glucose in the cytoplasm is broken down by glycolysis into pyruvate‚ with a small yield of ATP. Glycolysis in cytoplasm: Glucose 2 pyruvates + small amount of ATP (does not use oxygen) 3.7.3 Explain that‚ during anaerobic cell respiration‚ pyruvate can be
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across the membrane—this creates a concentration gradient‚ while O2 is reduced to H2O. In the ATP synthase‚ hydrogen ions diffuse across the semipermeable membrane and convert the potential energy of the proton gradient into chemical energy in ATP (chemiosmosis). Cellular respiration makes a total of 32
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require energy are put into a category called active transport‚ while the ways that don’t require energy are put into a category called passive transport. An example of active transport is the proton pump. The proton pump is an integral part of chemiosmosis‚ and it pumps protons from an area of low concentration to an area of high concentration. This requires energy since things like to move from an area of high concentration to an area of low concentration. An example of passive transport is facilitated
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14-01-05 Cellular Respira8on Upcoming events: L3.1 {cell resp} – Jan 16/17th Quiz Jan 22/23st (in lieu of write-up) Mitochondrial Cytoplasm
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Organisms that synthesize their own nutrients; include some bacteria that are able to synthesize organic molecules from simpler inorganic compounds. cells - The smallest structural units of living matter capable of functioning independently. Chemiosmosis- The process by which ATP is produced in the inner membrane of a mitochondrion. The electron transport system transfers protons from the inner compartment to the outer; as the protons flow back to the inner compartment‚ the energy of their movement
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Flaccid Mutant Evolution Isotope Endocytosis Sex-linked Taxonomy Covalent Bond Exocytosis Nondisjunction Gradualism Ionic Bond Phagocytosis Trisomy Homologous Hydrogen Bond ATP synthase Monosomy Species Polar Chemiosmosis Ligase Speciation Hydrophilic Fermentation Helicase Adaptive Radiation Hydrophobic Somatic Cells Transcription Punctuated Equilibrium Acid Gametes mRNA splicing Autotroph/ Heterotroph Base Interphase Translation
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Outline Chapter 6 6.1 Photosynthesis and cellular respiration provide energy for life A. Cellular respiration is the aerobic harvesting of energy from sugar by muscle cells. B. Cellular respiration and photosynthesis work together to provide energy. 6.2 Breathing supplies oxygen to our cells and removes carbon dioxide A. An organism obtains oxygen from its environment and releases carbon dioxide as waste. B. Breathing and cellular respiration are
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Cellular Respiration  Cellular respiration is the process of oxidizing food molecules‚ like glucose‚ to carbon dioxide and water. C6H12O6 + 6O2 + 6H2O → 12H2O + 6 CO2 The energy released is trapped in the form of ATP for use by all the energy-consuming activities of the cell. The process occurs in two phases: glycolysis‚ the breakdown of glucose to pyruvic acid the complete oxidation of pyruvic acid to carbon dioxide and water In eukaryotes‚ glycolysis occurs in the cytosol. (Link to
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Bi 101 Lecture Exam Two Study Objectives: Chapters 5‚ 6‚ 7 All concepts and vocabulary are fair game in Chapters 5-7 Chapter Five: ………….. Membranes Evaluate the importance of membranes to the homeostasis of the cell‚ emphasizing their various functions Explain how the properties of the lipid bilayer govern many properties of the cell membrane (ie understand the chemical lipid bilayer structure—what does “hydrophobic” and “hydrophilic” mean?) Discuss the general types‚ functions‚ and
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