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metabolism

Nutrition and Enzymes (Biochemistry)

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Nutrition In order for the human body to be healthy and resistant to disease, good nutrition is required. All living things are made of chemicals. In order to grow, develop and maintain bodily structures and functions, specific chemicals must be acquired from the food we eat. In a sense, we are what we eat. Nutrients can be divided into the following categories: Nutrients Overview Carbohydrates ? sugar based molecules that are metabolized for energy in cellular respiration and make up the structural components of plant cell walls. Lipids ? fat based molecules that store large quantities of energy. These molecules also make up the structure of cell membranes.

Photsynthesis and cellular resp

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PHOTOSYNTHESIS AND CELLULAR RESPIRATION TABLE OF CONTENTS Nutrition??????????????????????Page 3 Chloroplasts & Mitochondrion??????????????????.Page 4 Equations?????????????????????.Page 5 ATP Formation??????????????????..Page 6 Overall Process of Photosynthesis?????????????????.Page 7 Overall Process of Cellular Respiration????????????????Page 8 Compare & Contrast Photosynthesis & Aerobic Cellular Respiration???????????Page 9 Fermentation???????????????????.Page 10 NUTRITION Autotroph: Also called a producer; an organism that produces its own food using the energy from sunlight or from chemical bonds in inorganic compounds.

Enzyme Lab

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Zoe Collins ? PAGE ?1? Zoe Collins ? PAGE ?1? Assignment 1: Effect of Temperature on Invertase Activity Hypothesis: As the temperature is raised the enzyme invertase will become denatured and enzyme activity will decrease, The plot from the product concentration versus time graph showed that the Invertase was most effective at 50.0 ?C. For the rest of the tested temperatures the Invertase was still able to function but the product concentration was lower. This is what I expected the results to be, because all enzymes have a optimum temperature that they work best at.

AP Bio Reading Guide Answers CH 9

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Copyright ? 2011 Pearson Education, Inc. - 1 - Name_______________________Period___________ Chapter 9: Cellular Respiration: Harvesting Chemical Energy Overview: Before getting involved with the details of cellular respiration and photosynthesis, take a second to look at the big picture. Photosynthesis and cellular respiration are key ecological concepts involved with energy flow. Use Figure 9.2 to label the missing parts below. See page 163 of your text for labeled figure. Concept 9.1 Catabolic pathways yield energy by oxidizing organic fuels 1. Explain the difference between fermentation and cellular respiration. Fermentation is a partial degradation of sugars or other organic fuel that occurs without the use of oxygen.

AP Bio Reading Guide Answers CH 9

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Copyright ? 2011 Pearson Education, Inc. - 1 - Name_______________________Period___________ Chapter 9: Cellular Respiration: Harvesting Chemical Energy Overview: Before getting involved with the details of cellular respiration and photosynthesis, take a second to look at the big picture. Photosynthesis and cellular respiration are key ecological concepts involved with energy flow. Use Figure 9.2 to label the missing parts below. See page 163 of your text for labeled figure. Concept 9.1 Catabolic pathways yield energy by oxidizing organic fuels 1. Explain the difference between fermentation and cellular respiration. Fermentation is a partial degradation of sugars or other organic fuel that occurs without the use of oxygen.

AP Bio Reading Guide CH 8

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Copyright ? 2011 Pearson Education, Inc. - 1 - Name_______________________Period___________ Chapter 8: An Introduction to Metabolism Concept 8.1 An organism?s metabolism transforms matter and energy, subject to the laws of thermodynamics 1. Define metabolism. The totality of an organism?s chemical reactions, consisting of catabolic and anabolic pathways, which manage the material and energy resources of the organism. 2. There are two types of reactions in metabolic pathways: anabolic and catabolic. a. Which reactions release energy? catabolic b. Which reactions consume energy? anabolic c. Which reactions build up larger molecules? catabolic d. Which reactions break down molecules? catabolic

Biology vocabulary

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Catabolic Reactions -These types of reactions break down large molecules into smaller ones. These reactions release energy. Anabolic Reactions -These types of reactions build large molecules from smaller components. These reactions consume energy. ATP-The main form of cellular energy. These molecules have a structure that is easy to form and easy to break to access the stored energy. Entropy - A measure of the disorder of a system. The amount of free energy lost to the environment is an example Polarity - Uneven distribution of charges across a molecule. Hydrogen Bonding - Attraction between positive charge on a hydrogen in a dipole and the negative end of another molecule. Think water! Adhesion - The attraction of a water molecule to another substance

chapter 9 test biology

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BIOLOGY: Chapter 9-Cellular Respiration Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following is the correct sequence of events in cellular respiration? a. glycolysis ? fermentation ? Krebs cycle b. Krebs cycle ? electron transport ? glycolysis c. glycolysis ? Krebs cycle ? electron transport d. Krebs cycle ? glycolysis ? electron transport ____ 2. Which of the following is released during cellular respiration? a. oxygen b. air c. energy d. lactic acid ____ 3. Cellular respiration uses one molecule of glucose to produce a. 2 ATP molecules. b. 34 ATP molecules. c. 36 ATP molecules. d. 38 ATP molecules.

chapter 9 test biology

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BIOLOGY: Chapter 9-Cellular Respiration Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following is the correct sequence of events in cellular respiration? a. glycolysis ? fermentation ? Krebs cycle b. Krebs cycle ? electron transport ? glycolysis c. glycolysis ? Krebs cycle ? electron transport d. Krebs cycle ? glycolysis ? electron transport ____ 2. Which of the following is released during cellular respiration? a. oxygen b. air c. energy d. lactic acid ____ 3. Cellular respiration uses one molecule of glucose to produce a. 2 ATP molecules. b. 34 ATP molecules. c. 36 ATP molecules. d. 38 ATP molecules.

Nothing

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Spencer Ballantyne QUESTIONS When we say that something gives us ?energy,? what does that mean? What is a biological definition of energy? When people say that things, ?give you energy?, they can be referring to the affects other molecules like stimulants and amino acids can have on your body. Truly, they don?t provide any energy for your body, but they can raise you metabolic rate, thereby causing you to metabolize what is already stored in your body. Also, they may stimulate adrenaline production. Biologically, energy is the capacity to produce work or change. Energy is stored in your body in molecules, like carbohydrates and lipids. These carbohydrates can take the form of sugars, and the energy is transferred to your body when you eat them.

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