Chapter 8 Cellular Energy

Chapter 8 Cellular Energy 8.3 Cellular Respiration The net yield from the Krebs cycle is six CO2 molecules, two ATP, eight NADH, and two FADH2.

Chapter 8 Cellular Energy Ch 8 Cellular Energy Using your clicker, check your mastery of Ch 8 objectives from this power point

Which statement describes the law of conservation of energy? Chapter 8 Cellular Energy Chapter Diagnostic Questions Which statement describes the law of conservation of energy? Energy cannot be converted or destroyed. Energy can be converted and destroyed. Energy can be converted but not destroyed. Energy can be destroyed but not converted. A B C D CDQ 1

In which metabolic process are molecules Chapter 8 Cellular Energy Chapter Diagnostic Questions In which metabolic process are molecules broken down to produce carbon dioxide and water? photosynthesis cellular respiration homeostasis fermentation A B C D CDQ 2

At the end of the Calvin cycle, where is energy stored? Chapter 8 Cellular Energy Chapter Diagnostic Questions At the end of the Calvin cycle, where is energy stored? NADPH ATP chloroplast glucose A B C D CDQ 3

Chapter 8 Cellular Energy 8.1 Formative Questions Which law of thermodynamics explains why the ladybug receives the least amount of usable energy? A B the first law of thermodynamics the second law of thermodynamics FQ 1

All of the energy from the food you eat comes from the sun. Chapter 8 Cellular Energy 8.1 Formative Questions All of the energy from the food you eat comes from the sun. true false A B FQ 2

Why is adenosine triphosphate (ATP) such an Chapter 8 Cellular Energy 8.1 Formative Questions Why is adenosine triphosphate (ATP) such an important biological molecule? It captures light energy from the sun. It is produced in anabolic pathways. It stores and releases chemical energy. It converts mechanical energy to thermal energy. A B C D FQ 4

Where in the plant cell does photosynthesis take place? Chapter 8 Cellular Energy 8.2 Formative Questions Where in the plant cell does photosynthesis take place? chloroplasts Golgi apparatus mitochondria vacuoles A B C D FQ 5

Which range of wavelengths is reflected by chlorophylls a and b? Chapter 8 Cellular Energy 8.2 Formative Questions Which range of wavelengths is reflected by chlorophylls a and b? 400-500 nm 500-600 nm 600-700 nm A B C FQ 6

What is the overall purpose of cellular respiration? Chapter 8 Cellular Energy 8.3 Formative Questions What is the overall purpose of cellular respiration? to make ATP to process H2O to store glucose to deliver oxygen A B C D FQ 9

Which represents the general sequence of cellular respiration? Chapter 8 Cellular Energy 8.3 Formative Questions Which represents the general sequence of cellular respiration? TCA cycle  chemiosmosis  glycolysis glycolysis  Krebs cycle  electron transport electron absorption  catalysis  phosphorylation aerobic pathway  anaerobic pathway  fermentation A B C D FQ 10

Which stage of cellular respiration is the anaerobic process? Chapter 8 Cellular Energy 8.3 Formative Questions Which stage of cellular respiration is the anaerobic process? glycolysis Krebs cycle electron transport A B C FQ 11

CoA CO2 FADH2 NADH Which molecule generated by the Krebs Chapter 8 Cellular Energy 8.3 Formative Questions Which molecule generated by the Krebs cycle is a waste product? CoA CO2 FADH2 NADH A B C D FQ 12

Chapter 8 Cellular Energy Chapter Assessment Questions Look at the following figure. Which part of the chloroplast is a sac-like membrane arranged in stacks? grana stroma thylakoids Golgi apparatus A B C D CAQ 1

pyruvate is broken down into what compound? Chapter 8 Cellular Energy Chapter Assessment Questions During the Krebs cycle, pyruvate is broken down into what compound? H2O O2 CO CO2 A B C D CAQ 2

Chapter 8 Cellular Energy Chapter Assessment Questions Look at the following figure. Which molecule is released when ATP becomes ADP? phosphate group water molecule ribose sugar energy cells A B C D CAQ 3

A B Which metabolic process is photosynthesis? Chapter 8 Cellular Energy Standardized Test Practice Which metabolic process is photosynthesis? A B A B STP 1

At the beginning of photosynthesis, which Chapter 8 Cellular Energy Standardized Test Practice At the beginning of photosynthesis, which molecule is split to produce oxygen (O2) as a waste product? CO2 H2O C6H12O6 3-PGA A B C D STP 2

Which molecule helps provide the energy that drives this cycle? Chapter 8 Cellular Energy Standardized Test Practice Which molecule helps provide the energy that drives this cycle? 3-PGA CO2 NADPH rubisco A B C D STP 3

What is the final step of cellular respiration? Chapter 8 Cellular Energy Standardized Test Practice What is the final step of cellular respiration? O2 and H+ form H2O. Electrons and H2O generate ATP. C6H12O6 is broken down into CO2. NADH and FADH2 gain electrons. A B C D STP 5

an increased demand for ATP Chapter 8 Cellular Energy Standardized Test Practice What prevents pyruvate from entering the Krebs cycle and instead results in this pathway? a buildup of CO2 a lack of oxygen an excess of glucose an increased demand for ATP A B C D STP 6

Good Luck On tomorrow’s test Chapter 8 Good Luck On tomorrow’s test