Answer the following questions? 1. Discuss the exchange of ADP and ATP and what drives the...
Answer the following questions?
1. Discuss the exchange of ADP and ATP and what drives the exchange of ADP and ATP.
2. Describe the electron transport chain and why the electrons are passed only one direction from one transport protein to another.
3. An excited molecule is unstable and tends to return to its original unexcited state. Explain then, how an excited electron in a chlorophyll molecule is able to store the energy of a photon.
Homework Answers
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Answer the following questions?
1. Discuss the exchange of ADP and ATP and what drives the...
An excited molecule is unstable and tends to return to its original unexcited state. Explain then,...
An excited molecule is unstable and tends to return to its original unexcited state. Explain then, how an excited electron in a chlorophyll molecule is able to store the energy of a photon.
does anyone know D? Lab 8 Spring 2020 The Light Reactions The light reactions begin with...
does anyone know D?
Lab 8 Spring 2020 The Light Reactions The light reactions begin with the photolysis of water. Photolysis refers to the process by which, in the Intact thylakoid membranes and light. water is split into oxygen protons and electrons. Therefore, was primary electron donor in photosynthesis. Conversion of water, a very stable molecule, to oxygen is er unfavorable and would not occur to any significant extent without input of light energy in photosystem e process by which,...
QUESTION 8 Put the following statements about the light dependent reactions in order (1-4) Electrons that...
QUESTION 8 Put the following statements about the light dependent reactions in order (1-4) Electrons that leave PSI travel through a transport chain, which allows H+ to be actively transported to high concentration Light energy excites electrons of antenna pigment molecules at PSII (and PSI) Electrons are ultimately accepted by NADP+ (forming NADPH) and the H+ gradient pass through ATP synthase, allowing ATP to be produced Energy from excited electrons of antenna pigments is passed to the reaction center of...
FUework Chapter 03. Energy. Chemical Reactions, and Cellular R i Saved Required information 1 2 The mitochondrial e...
FUework Chapter 03. Energy. Chemical Reactions, and Cellular R i Saved Required information 1 2 The mitochondrial electron transport system moves electrons from a donor molecule to a receptor molecule, which in the process drives a proton (H+) pump. In order to establish a proton gradient, the protons accumulate in Part 1 of 3 O the outer membrane the Intermembrane space 3.57 O the matrbx points O the cristae elook 3. How does the proton (H+) gradient created by the...
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct...
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct order? A. glycolysis, oxidative phosphorylation, pyruvate oxidation, and the citric acid cycle B glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation C. pyruvate oxidation, oxidative phosphorylation, glycolysis, and the citric acid cycle D. the citric acid cycle, oxidative phosphorylation, pyruvate oxidation, and glycolysis QUESTION 2 When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the glucose...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
In redox reactions Protons are transferred from one molecule to another One substance loses electrons and...
In redox reactions Protons are transferred from one molecule to another One substance loses electrons and the other gains electrons A substance that loses electrons is reduced, while a substance e that gains electrons are oxidized B and c are both correct Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present of not? Electron transport Glycolysis The citric acid cycle Oxidative phosphorylation Chemiosmosis How many carbon atoms are fed into the cirtic acid cycle as a...
Inhibitors of Oxidative Phosphorylation The following chemicals inhibit oxidative phosphorylation: Cyanide: Cyanide is a naturally occurring...
Inhibitors of Oxidative Phosphorylation The following chemicals inhibit oxidative phosphorylation: Cyanide: Cyanide is a naturally occurring compound that binds to protein complex IV of the mitochondrial electron transport chain and prevents transfer of electrons from the protein. Metformin: At the cellular level, chemically synthesized metformin, a drug commonly prescribed for Type 2 diabetes, inhibits mitochondrial respiration by blocking complex I. Dinitrophenol: Dinitrophenol is a metabolic poison that can be sold legally as a pesticide. Although it is lethal to humans,...
YOU MUST ANSWER THE FOLLOWING QUESTIONS ON YOUR OWN PRIOR TO CLASS REVIEW! 1. Label the...
YOU MUST ANSWER THE FOLLOWING QUESTIONS ON YOUR OWN PRIOR TO CLASS REVIEW! 1. Label the path of electrons through the light reactions of photosynthesis using the illustration below. A. Include PSII and PSI and label all the complexes involved i. Which complex pushes H* across the membrane? ii. Where do these electrons end up? iii. What is the purpose of splitting H2O? iv. Where do the light reactions take place? 2H2D Ot ENR NAOD ADP photolyetemi photosyetemi wlochtone be-...
The energized electron leaves photosystem _____ and is delivered to the ____ _____ _____ where its...
The energized electron leaves photosystem _____ and is delivered to the ____ _____ _____ where its energy is used to pump ______ into the thylakoid. A high concentration of _____ in the thylokoid is used to create the molecule _____ by combining ______ and _____ by a process called ______. This happens when they force their way out of thylakoid through a protein called ATP synthase. After the electron transport chain, the electron is delivered to another photosystem (photosystem 1),...
does anyone know D?
Lab 8 Spring 2020 The Light Reactions The light reactions begin with the photolysis of water. Photolysis refers to the process by which, in the Intact thylakoid membranes and light. water is split into oxygen protons and electrons. Therefore, was primary electron donor in photosynthesis. Conversion of water, a very stable molecule, to oxygen is er unfavorable and would not occur to any significant extent without input of light energy in photosystem e process by which,...
QUESTION 8 Put the following statements about the light dependent reactions in order (1-4) Electrons that leave PSI travel through a transport chain, which allows H+ to be actively transported to high concentration Light energy excites electrons of antenna pigment molecules at PSII (and PSI) Electrons are ultimately accepted by NADP+ (forming NADPH) and the H+ gradient pass through ATP synthase, allowing ATP to be produced Energy from excited electrons of antenna pigments is passed to the reaction center of...
FUework Chapter 03. Energy. Chemical Reactions, and Cellular R i Saved Required information 1 2 The mitochondrial electron transport system moves electrons from a donor molecule to a receptor molecule, which in the process drives a proton (H+) pump. In order to establish a proton gradient, the protons accumulate in Part 1 of 3 O the outer membrane the Intermembrane space 3.57 O the matrbx points O the cristae elook 3. How does the proton (H+) gradient created by the...
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct order? A. glycolysis, oxidative phosphorylation, pyruvate oxidation, and the citric acid cycle B glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation C. pyruvate oxidation, oxidative phosphorylation, glycolysis, and the citric acid cycle D. the citric acid cycle, oxidative phosphorylation, pyruvate oxidation, and glycolysis QUESTION 2 When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the glucose...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
Inhibitors of Oxidative Phosphorylation The following chemicals inhibit oxidative phosphorylation: Cyanide: Cyanide is a naturally occurring compound that binds to protein complex IV of the mitochondrial electron transport chain and prevents transfer of electrons from the protein. Metformin: At the cellular level, chemically synthesized metformin, a drug commonly prescribed for Type 2 diabetes, inhibits mitochondrial respiration by blocking complex I. Dinitrophenol: Dinitrophenol is a metabolic poison that can be sold legally as a pesticide. Although it is lethal to humans,...
YOU MUST ANSWER THE FOLLOWING QUESTIONS ON YOUR OWN PRIOR TO CLASS REVIEW! 1. Label the path of electrons through the light reactions of photosynthesis using the illustration below. A. Include PSII and PSI and label all the complexes involved i. Which complex pushes H* across the membrane? ii. Where do these electrons end up? iii. What is the purpose of splitting H2O? iv. Where do the light reactions take place? 2H2D Ot ENR NAOD ADP photolyetemi photosyetemi wlochtone be-...
The energized electron leaves photosystem _____ and is delivered to the ____ _____ _____ where its energy is used to pump ______ into the thylakoid. A high concentration of _____ in the thylokoid is used to create the molecule _____ by combining ______ and _____ by a process called ______. This happens when they force their way out of thylakoid through a protein called ATP synthase. After the electron transport chain, the electron is delivered to another photosystem (photosystem 1),...
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