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6.1 Energy and Organisms

  1. How do autotrophs and heterotrophs differ?

Answer

  1. What is chemosynthesis?

Answer

  1. How are respiration and photosynthesis related to autotrophs and heterotrophs?

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6.2 Common Mechanisms Involved in Biochemical Processes

  1. What is a biochemical pathway? Give two examples.

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  1. In what way does ATP differ from other organic molecules?

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  1. What is a proton pump and how is it related to ATP production?

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  1. List 3 electron transport molecules.

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Animations and Review

6.3 Aerobic Cellular Respiration - An Overview

  1. Aerobic cellular respiration occurs in three stages. Name these and briefly describe what happens in each stage.

Answer

  1. Which cellular organelle is involved in the process of respiration?

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6.4 Aerobic Cellular Respiration

  1. For glycolysis, Krebs cycle, and the electron-transport system, list two molecules that enter and two molecules that leave each pathway.

Answer

  1. How are each of the following involved in aerobic cellular respiration: NAD+, pyruvic acid, oxygen, and ATP?

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Labeling Exercises

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6.5 Aerobic Cellular Respiration in Prokaryotes

  1. How is aerobic cellular respiration different between prokaryotic and eukaryotic organisms?

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6.6 Alternatives: Anaerobic Cellular Respiration

  1. Pyruvic acid can be converted into a variety of molecules. Name three.

Answer

  1. Why does aerobic respiration yield more energy than anaerobic respiration?

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Case Study

6.7 Metabolic Processing of Other Molecules

  1. Describe how glycolysis and the Krebs cycle can be used to obtain energy from fats and proteins.

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6.8 Photosynthesis - An Overview
  1. Photosynthesis is a biochemical pathway that involves three kinds of activities. Name these and how are they related to each other

Answer

  1. Which cellular organelle is involved in the process of photosynthesis?

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6.9 Photosynthesis
  1. How do photosystem I and photosystem II differ in the kinds of reactions that take place?

Answer

  1. What does an antenna complex do? How is it related to the reaction center?

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Experience This!

6.10 Other Aspects of Plant Metabolism
  1. Is vitamin C a vitamin for an orange tree?

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6.11 Interrelationships between Autotrophs and Heterotrophs
  1. Even though animals do not photosynthesize, they rely on the sun for their energy. Why is this so?

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