Download unit 3 – cellular energy processes

UNIT 3 – CELLULAR ENERGY PROCESSES
Unit Objectives
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Describe the role of respiration in the cell’s energy cycle.
Define cellular respiration, glycolysis, citric acid cycle, and electron transport.
Identify the general reactants and products of glycolysis, citric acid cycle and oxidative phosphorylation.
Explain the role and importance of redox in metabolism.
Sequence the major steps of glycolysis and describe the role of enzymes in metabolism
Compare the end products of aerobic and anaerobic respiration and identify the types of organisms
employing each.
Describe how the catabolism of fats, proteins, and carbohydrates relate to cellular respiration.
Understand the role of FAD and NAD + in the process of respiration.
Compare the efficiency of substrate-level phosphorylation to oxidative phosphorylation.
Identify the number of ATP molecules produced by glycolysis, Krebs, and oxidative phosphorylation.
Interpret data related to the effects of temperature on cellular respiration.
Interpret data related to the effects of germination and non-germination on cellular respiration in plants.
Design or describe and experiment using a respirometer to measure cellular respiration.
Explain why oxygen consumption can be used to measure the rate of respiration.
Distinguish between autotrophic and heterotrophic nutrition.
Distinguish between photosynthetic and chemosynthetic autotrophs.
Describe the location and structure of the chloroplasts.
Relate chloroplastic structures to their function.
Write a summary equation for photosynthesis.
Explain the role of REDOX reactions in photosynthesis.
Explain why the absorption spectrum for chlorophyll differs from the action spectrum for photosynthesis.
List the wavelengths of light that are most effective for photosynthesis.
Explain what happens when chlorophyll or accessory pigments absorb photons.
List the components of a photosystem and explain their function.
Trace electron flow through photosystems II and I.
Compare cyclic and non-cyclic electron flow and explain the relationship between these components of the
light reactions.
Summarize the light reactions with an equation and describe where they occur.
Describe important differences in chemiosmosis between oxidative phosphorylation in mitochondria and
photophosphorylation in chloroplasts.
Summarize the carbon-fixing reactions of the Calvin Cycle and describe changes that occur in the carbon
skeleton of the intermediates.
Describe the role of ATP and NADPH in the Calvin Cycle.
Describe what happens to rubisco when the oxygen concentration is much higher than carbon dioxide.
Describe the consequences of photorespiration.
Describe two important photosynthetic adaptations that minimize photorespiration.
Describe the fate of photosynthetic products.
Revised and reprinted with permission from Debbie Richards
Bryan ISD