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Cellular Respiration

Chapter 7

QuestionAnswer
Cellular Respiration The process by which food is oxidized and energy is stored in the form of ATP
Complete and balanced equation for photosynthesis C6H12O6 + 6O2 -> 6H2O + 6CO2 + energy (ATP)
The difference between aerobic and anaerobic respiration Aerobic- w/ oxygen Anaerobic- W/out oxygen
Which respiration system is more efficient? Aerobic or Anaerobic? Aerobic
When oxygen is present, pyruvic acid from glycololysis is broken down by a series of reactions called the _______ _______ Krebs Cycle
The Krebs Cycle occurs in the _____________________ of the cell Mitochondrial Matrix
The krebs cycle is named after _____ Krebs who discovered it in 1937. It is also called the _________________ cycle citric acid
During the transition reactuion between Glycolysis and the Krebs Cycle, Coenzyme A causes pyruvic acid to become a two carbon compound called _____________ Acetyl CoA
During the Krebs Cycle, the carbon and oxygen atoms are removed to form molecules of ___ which are released from the cell CO2
Hydrogen electrons are released during the cycle and picked up by electron acceptor molecules FAD and ____, which from _____ and Nadh + H+ NAD+ FADH2
How many turns must the Krebs Cycle undergo for every molecule of glucose? 2
How many molecules of ATP are produced by the Krebs Cycle itself? 2
where does the electron transport system take place in the mitochondrion? Inner membrane of mitochondria (cristae)
The energy from ___________ + ______________ is used to drive the generation of ATP in the Electron Transport Chain. pumping of protons + chemiosmosis
The type of chemical reactions that occur as electrons are passed down the electron transport chain are referred to as ________ reactions Redox
At the end of the electron transport chain, an electron pair is transferred to to the element: __, which is the final electron acceptor. The resulting molecule is ___. O2 H2O
The Krebs Cycle, along with the electron transport chain produce 36 molecules of ATP. How does this compare to the amount of ATP produced during glycolysis? Way way more. Glycolysis: 2 to Krebs + ETS: 36
THere are two types of anaerobic respiration. a. Which type occurs in yeast cells? b. Muscle Cells? a. Alcoholic Fermentation b. Lactic Acid Fermentation
ATP is made up of a ________ molecule linked to a sugar (ribose) and three ___________ molecules. protein: adenine phosphate
ATP _______ energy in the chemical bonds between the phosphates. When ATP loses a phoshate, energy is _________ and the molecule ___ is formed. stores released ADP
In an oxidation reduction (redox reaction) atoms that lose electrons are __________ and atoms that gain electrons are __________. oxidized reduced
The redox reaction in cellular respiration are usually the result of hydrogen electrons being transferred to acceptor molecules. one of these acceptor molecules i a coenzyme called _____ NAD+
The breakdown of glucose to two-three carbon molecules is called ___________. This process occurs in the ________ of the cell glycolysis cytosol
Does glycolysis require oxygen? No
How do enzymes function in cellular respiration. Take carbons through cycles
Created by: myoung15
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