Podcast
Questions and Answers
What is the primary outcome of aerobic respiration in cells?
What is the primary outcome of aerobic respiration in cells?
- Production of ethanol and carbon dioxide
- Breakdown of glucose without ATP
- Generation of heat and light energy
- Conversion of chemical energy into ATP (correct)
Which stage of the Calvin cycle involves incorporating CO2 into an organic material?
Which stage of the Calvin cycle involves incorporating CO2 into an organic material?
- Reduction
- Carbon fixation (correct)
- Electron transport chain
- Regeneration of RuBP
What is the net gain of ATP produced during aerobic respiration?
What is the net gain of ATP produced during aerobic respiration?
- 10 ATP
- 2-4 ATP
- 36-38 ATP (correct)
- 24 ATP
What distinguishes anaerobic respiration from aerobic respiration?
What distinguishes anaerobic respiration from aerobic respiration?
In the Calvin cycle, what happens to some of the G3P molecules produced during reduction?
In the Calvin cycle, what happens to some of the G3P molecules produced during reduction?
What is the primary function of ATP in cells?
What is the primary function of ATP in cells?
What defines the process of phosphorylation?
What defines the process of phosphorylation?
Which term describes the process that provides free energy to phosphorylate ADP?
Which term describes the process that provides free energy to phosphorylate ADP?
What is hydrolysis in the context of ATP?
What is hydrolysis in the context of ATP?
Which of the following describes an endergonic reaction?
Which of the following describes an endergonic reaction?
Which component of ATP is responsible for storing energy?
Which component of ATP is responsible for storing energy?
What role do pigments play in cells?
What role do pigments play in cells?
What is the effect of photoexcitation on a molecule?
What is the effect of photoexcitation on a molecule?
What role do carotenoids play in plants?
What role do carotenoids play in plants?
What is the primary green pigment found in the thylakoid of chloroplasts?
What is the primary green pigment found in the thylakoid of chloroplasts?
Which part of the chloroplast is responsible for the absorption of light?
Which part of the chloroplast is responsible for the absorption of light?
What does visible light refer to in terms of wavelength?
What does visible light refer to in terms of wavelength?
Which fruit is NOT known to contain xanthophyll?
Which fruit is NOT known to contain xanthophyll?
What is the function of the porphyrin ring in chlorophyll?
What is the function of the porphyrin ring in chlorophyll?
Which of the following pigments is primarily responsible for red and purple colors in fruits?
Which of the following pigments is primarily responsible for red and purple colors in fruits?
What is the structure that represents a stack of thylakoids?
What is the structure that represents a stack of thylakoids?
What is the main function of the light harvesting complex in photosynthesis?
What is the main function of the light harvesting complex in photosynthesis?
Which of the following is NOT a product of the light reactions of photosynthesis?
Which of the following is NOT a product of the light reactions of photosynthesis?
Where do photosystems 1 and 2 primarily take place within the plant cell?
Where do photosystems 1 and 2 primarily take place within the plant cell?
What is the outcome of the noncyclic electron flow during photosynthesis?
What is the outcome of the noncyclic electron flow during photosynthesis?
Which component is primarily associated with reducing NADP+ to NADPH?
Which component is primarily associated with reducing NADP+ to NADPH?
During which phase of photosynthesis is glucose produced?
During which phase of photosynthesis is glucose produced?
What is the role of ATP synthase in photosynthesis?
What is the role of ATP synthase in photosynthesis?
What initiates the process of cellular respiration?
What initiates the process of cellular respiration?
What is the primary location for glycolysis to occur?
What is the primary location for glycolysis to occur?
Which of the following is a product of the Krebs Cycle?
Which of the following is a product of the Krebs Cycle?
Which molecule is produced during the electron transport chain?
Which molecule is produced during the electron transport chain?
What type of organism are obligate anaerobes?
What type of organism are obligate anaerobes?
What is the net gain of ATP during glycolysis?
What is the net gain of ATP during glycolysis?
Which of these is the final product of fermentation in animal cells?
Which of these is the final product of fermentation in animal cells?
Facultative anaerobes can perform which of the following processes in the absence of oxygen?
Facultative anaerobes can perform which of the following processes in the absence of oxygen?
During the electron transport chain, what input molecules are primarily required?
During the electron transport chain, what input molecules are primarily required?
Flashcards
Carotenoids
Carotenoids
Plant pigments that give fruits and vegetables their yellow, orange, and red colors.
Chlorophyll
Chlorophyll
A green pigment in plants that absorbs light for photosynthesis, primarily in the blue and red part of the light spectrum causing the plant to appear green.
Chloroplast
Chloroplast
A disc-shaped organelle in plant cells where photosynthesis occurs.
Xanthophyll
Xanthophyll
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Anthocyanins
Anthocyanins
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Photosynthesis
Photosynthesis
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Visible Light
Visible Light
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Light (photons)
Light (photons)
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Chloroplast structure
Chloroplast structure
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ATP
ATP
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ADP
ADP
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Phosphorylation
Phosphorylation
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Dephosphorylation
Dephosphorylation
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Catabolism
Catabolism
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Anabolism
Anabolism
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Exergonic
Exergonic
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Endergonic
Endergonic
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chemical work
chemical work
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transport work
transport work
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mechanical work
mechanical work
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Hydrolysis
Hydrolysis
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Photoexcitation
Photoexcitation
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Aerobic Respiration
Aerobic Respiration
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ATP
ATP
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Calvin Cycle
Calvin Cycle
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Carbon Fixation
Carbon Fixation
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Reduction
Reduction
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Regeneration of RuBP
Regeneration of RuBP
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Anaerobic Respiration
Anaerobic Respiration
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Glycolysis
Glycolysis
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Kreb's Cycle
Kreb's Cycle
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Electron Transport Chain (ETC)
Electron Transport Chain (ETC)
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Light Harvesting Complex
Light Harvesting Complex
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Reaction Center Complex
Reaction Center Complex
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Photosystem 1 (PS1)
Photosystem 1 (PS1)
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Photosystem 2 (PS2)
Photosystem 2 (PS2)
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Light Reaction
Light Reaction
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Dark Reaction (Calvin Cycle)
Dark Reaction (Calvin Cycle)
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Cyclic Electron Flow
Cyclic Electron Flow
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Chemiosmosis
Chemiosmosis
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ATP Synthase
ATP Synthase
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NADP Reductase
NADP Reductase
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Photosynthesis
Photosynthesis
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Autotrophic Process
Autotrophic Process
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Cellular Respiration
Cellular Respiration
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Prokaryotes and Eukaryotes
Prokaryotes and Eukaryotes
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Glycolysis
Glycolysis
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Glycolysis Location
Glycolysis Location
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ATP in Glycolysis
ATP in Glycolysis
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Fermentation
Fermentation
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Krebs Cycle Location
Krebs Cycle Location
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Krebs Cycle Input
Krebs Cycle Input
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Krebs Cycle output
Krebs Cycle output
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Electron Transport Chain (ETC) Location
Electron Transport Chain (ETC) Location
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Electron Transport Chain (ETC) Input
Electron Transport Chain (ETC) Input
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Electron Transport Chain (ETC) Output
Electron Transport Chain (ETC) Output
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Facultative Anaerobes
Facultative Anaerobes
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Obligate Anaerobes
Obligate Anaerobes
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NADH
NADH
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FADH2
FADH2
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Study Notes
Week 1: ATP-ADP Cycle
- ATP (adenosine triphosphate) is the energy currency used throughout cells.
- ATP is composed of adenine, ribose, and phosphate groups.
- Phosphorylation is the addition of a phosphate group to an organic compound, adding energy.
- Dephosphorylation is the removal of a phosphate group, releasing energy.
- Catabolism breaks down complex molecules into simpler ones, providing free energy for phosphorylation.
- Anabolism builds complex molecules from simpler ones, requiring energy.
- Exergonic reactions release energy, while endergonic reactions absorb energy.
- ATP is essential for chemical work, transport work, and mechanical work within cells.
- ADP (adenosine diphosphate) is an important compound in cellular metabolism and energy flow.
- Hydrolysis breaks down bonds between phosphate groups in ATP to form ADP and release energy.
Week 2: Structure of Chloroplast
- Chloroplasts are organelles in plant and photosynthetic algal cells.
- Chloroplasts carry out photosynthesis.
- Chromatography separates components of mixtures based on differences in structure or composition.
- Pigments absorb light, changing or adding color to an object.
- Different pigments absorb light at different wavelengths.
- Carotenoids provide yellow, orange, and red colors to plants and fruits.
- Xanthophyll is a type of hydrocarbon pigment.
- Chlorophyll absorbs blue and red light, giving plants their green color.
- Photoexcitation is the process where a quantum system is energized by photon absorption.
Week 3: Photosynthesis
- Photosynthesis is the process in which plants and plant-like organisms create energy from sunlight.
- The chemical equation for photosynthesis is 6CO2 + 6H2O → C6H12O6 + 6O2.
- Photosynthesis involves light-dependent and light-independent reactions.
- Light reactions take place in the thylakoid membrane, producing ATP, NADPH, and oxygen.
- Dark reactions (Calvin Cycle) involve CO2, taking place in the stroma to produce glucose.
- Photosystems 1 and 2 are located on thylakoids, absorbing light energy to create chemical energy.
- Chemiosmosis is the movement of ions across a membrane creating chemical energy.
- NADP reductase produces the electron carrier NADPH.
- ATP synthase produces ATP.
Week 4: Cellular Respiration
- Cellular respiration is the process of converting sugars into usable energy, creating ATP.
- Aerobic respiration requires oxygen, producing 36-38 ATPs.
- Anaerobic respiration does not require oxygen, producing 2 ATPs.
- Glycolysis, Krebs cycle, and electron transport chain are involved in aerobic respiration.
- Glycolysis breaks down glucose into pyruvate in the cytoplasm.
- Krebs cycle in mitochondria converts pyruvate into CO2, ATP, NADH, and FADH2
- The electron transport chain uses energy from NADH and FADH2 to produce ATP.
- Fermentation is a type of anaerobic respiration that produces lactic acid or ethanol.
Week 5: Glycolysis, Krebs Cycle, Electron Transport Chain
- Glycolysis is the breakdown of glucose into pyruvate, producing ATP and NADH.
- The Krebs cycle (citric acid cycle) processes pyruvate, producing ATP, NADH, FADH2, and CO2.
- The electron transport chain uses electron carriers (NADH and FADH2) to produce ATP and water.
- These processes occur in mitochondria.
Week 6: Fermentation
- Facultative anaerobes utilize aerobic respiration in the presence of oxygen, and fermentation otherwise.
- Obligate anaerobes cannot survive in the presence of oxygen, relying on fermentation.
- Fermentation releases energy from glucose without oxygen.
- Alcoholic fermentation produces ethanol and carbon dioxide, used in making alcohol.
- Lactic acid fermentation produces lactic acid, used in dairy industries.
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