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Metabolism

Cellular Respiration cycle study giuide

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STUDY GUIDE FOR CELLULAR RESPIRATION Cellular Respiration: Transfer of energy from organic compounds (especially GLUCOSE) to ATP. AEROBIC: cellular respiration WITH O2 ANEROBIC: cellular respiration WITHOUT O2 TWO STAGES OF CELLULAR RESPIRATION: STAGE 1: Glucose is converted to Pyruvate producing small amounts of ATP and NADH. STAGE 2: If O2, then: PYR and NADH make lots of ATP; if no O2, then Lactate or Ethanol and CO2 are produced. SEE FIGURE 10 FROM PAGE 104 IIN THE TEXTBOOK.

Cellular Respiration

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Cellular respiration is a cycle that occurs in both plant and animal cells. However, note that it does not occur in prokaryotic cells for they lack organelles. The first stage of cell respiration takes place outside the mitochondria and is called glycolosis. Here, glucose is converted to two pyruvates. Then through the Krebs Citric Acid Cycle, the pyruvate is changed to Acetyl-CoA and creates more ATP. Finally, the electron chain results in hydrogen ions being pumped out and then forced to diffuse back and in doing so, produce ATP through facilitated diffusion. In this manner, eukaryotic cells create ATP to power their cells.

protein digestion and absorption

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Protein Digestion As I have suggested before, life is a system of cooperating enzyme reactions, and once again, enzymes are the prime movers in protein digestion just as they were in carbohydrate digestion. The enzymes for protein digestion are collectively called proteinases (protein-ACES) or proteases (pro-tea-ACES). Proteins are broken apart by the protein-digesting enzymes in a process called hydrolysis.

Learning Express AP Biology Exam 1

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Section: AP Biology Select the best of the five choices for each of the following questions. 1.If a woman carrying the trait for color blindness marries a man who is not color blind, and they have a boy, and if he marries a girl who is the product of a like marriage, what is the chance that their first daughter will be color blind? A. 1/16 B. 1/8 C .1/32 D .1/2 E. 0 2.A solution hypotonic relative to a red blood cell A. will cause an immersed red blood cell to undergo hemolysis. B.will cause an immersed red bloodcell to undergo crenation. C.will have no effect on a red blood cell that is immersed in it. D.will cause an immersed red blood cell to shrink. E. maybe a 1% NaCl solution.

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