Homework Answers
1.
When pigments of photo system II absorbs light the water molecule is broken down into oxygen molecule and one electron is released which is passed on to further electron acceptor.
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Question 4 How many electrons are passed to the primary electron acceptor for every molecule of...
As high energy electrons are passed along the system of electron transport chain associated with photosystem...
As high energy electrons are passed along the system of electron transport chain associated with photosystem II, how does the chloroplast use this energy? A. It is used to phosphorylate NAD+ to NADPH B. It excites electrons of the reaction center of photosystem I. C. It is used to maintain a proton gradient for ATP synthesis D. It is used to break down a water molecule
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...
Question 40 4 pts When a molecule loses electrons to another molecule or atom, that molecule...
Question 40 4 pts When a molecule loses electrons to another molecule or atom, that molecule has been The electron acceptor molecule has then gained two electrons and is said to have been I
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),...
Electrons that enter the light reactions of photosynthesis can be traced through all the photosynthesis processes...
Electrons that enter the light reactions of photosynthesis can be traced through all the photosynthesis processes ending up in a molecule that can be later used in respiration. These same electrons can then be tracked through the processes of respiration. Put the options listed below in order starting with the original electron donor (at the beginning of photosynthesis) and ending with the ultimate electron acceptor at the end of respiration. A. Complex 1 in inner mitochondrial membrane, B. Glucose, C....
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...
11. Label this diagram summarizing electron flow in photosynthesis Primary electron acceptor Energy to make Primary...
11. Label this diagram summarizing electron flow in photosynthesis Primary electron acceptor Energy to make Primary electron acceptor Light Light 2H + O 12. An experiment was performed with isolated chloroplasts. The chloroplasts were first made acidic by soaking them in a solution of pH 4. After the thylakoid space reached ph 4, the chloroplasts were transferred to a basic solution at pH 8. The chloroplasts then made ATP even though they were in the dark. a. Explain this result....
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...
Given the following linear molecule, on which part of the molecule is the electron density the...
Given the following linear molecule, on which part of the molecule is the electron density the greatest? H-CEN a) on the H b) on the N c) on the C d) It is evenly distributed Save Question 7 (1 point) How many total valence electrons are present in the N2Os molecule? 6 7 8 9
Fill the MO diagram of the molecule of OH π π 2p 2s How many electrons...
Fill the MO diagram of the molecule of OH π π 2p 2s How many electrons are in the 20* orbitals of the MO diagram? Select one: O a. 4 O b. 3 O c.5 How many electrons are in the 2o* orbitals of the MO diagram? Select one: b. 3 с. 5 o оооооооо е. 7 N f. 2 g. 6 h. 1
Question 40 4 pts When a molecule loses electrons to another molecule or atom, that molecule has been The electron acceptor molecule has then gained two electrons and is said to have been I
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),...
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...
11. Label this diagram summarizing electron flow in photosynthesis Primary electron acceptor Energy to make Primary electron acceptor Light Light 2H + O 12. An experiment was performed with isolated chloroplasts. The chloroplasts were first made acidic by soaking them in a solution of pH 4. After the thylakoid space reached ph 4, the chloroplasts were transferred to a basic solution at pH 8. The chloroplasts then made ATP even though they were in the dark. a. Explain this result....
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...
Given the following linear molecule, on which part of the molecule is the electron density the greatest? H-CEN a) on the H b) on the N c) on the C d) It is evenly distributed Save Question 7 (1 point) How many total valence electrons are present in the N2Os molecule? 6 7 8 9
Fill the MO diagram of the molecule of OH π π 2p 2s How many electrons are in the 20* orbitals of the MO diagram? Select one: O a. 4 O b. 3 O c.5 How many electrons are in the 2o* orbitals of the MO diagram? Select one: b. 3 с. 5 o оооооооо е. 7 N f. 2 g. 6 h. 1
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