why does pH of the matrix increase when electrons flow along the electron transport chains of mitochondria?

16,638 results
  1. Chemistry

    A selenium atom (Se) would form its most stable ion by the 1. loss of 2 electrons. 2. gain of 1 electron. 3. loss of 1 electron. 4. loss of 7 electrons. 5. gain of 2 electrons. Help please and tell me how you got the answer. Thanks!

  2. physics

    Which of the following statements is FALSE regarding the ‘Drift’ of charge carriers? It is the dominant carrier transport mechanism when an electric field is applied in the semiconductor. Holes move in the direction opposite to that of the applied

  3. Chemistry

    How many valence electrons does molybdenum have? (give only 1 answer) Go to this site and look for the electrons available in the outside shells. Click on element #42 and scroll down the menu on the left side until you come to electron configuration.

  4. Chemistry

    1) What is the atomic # for selenium? 34 2) Write the full electron configuration for selenium following the (n+l) rule? I am not sure what is meant by n+l 3) write the electron configuration, grouping electrons by their "n" values. [Ar]3d10 4s2 4p4 Are

  5. biology

    Which statements accurately describe the electron transport chain? Select all that apply. a: It produces carbon dioxide. b: It produces oxygen. c: It produces water and a high amount of ATP. d: It uses electrons released from NADH and FADH2.

  6. Chemistry

    1) The letter "p" in the symbol 4p^3 indicates the ___. A) spin of an electron B) orbital shape*** C) principal energy level D) speed of an electron 2) If the spin of one electron in an orbital is clockwise, what is the spin of the other electron in that

  7. Chemistry

    Metals lose electrons under certain conditions to attain a noble-gas electron configuration. How many electrons must be lost by the element Ca? Is it 2 e^-? Which noble-gas electron configuration is attained in this process? argon radon krypton xenon

  8. Chemistry

    In the voltaic cell that is represented as: Cu | Cu2+ || Fe | Fe2+. The only anion in solution in the cells and salt bridge is the nitrate ion. The directions the electron external circuit and NO3- flow in the salt bridge circuit will be: *electron flow is

  9. Chemistry

    You write the electron structure like this. 1s2 2s2 2p6 3s2 3p6 3d10 4s1 is the neutral Cu atom. Remove the two outside electrons to make the Cu^+2 ion. That leaves us with 3d9 as the outside and since that is an odd number, one electron must be unpaired.

  10. Chem

    Hi everyone, I'm having problems with effective nuclear charge. Regarding these problems. Calculate Zeff for a valence electron in an oxygen atom. and Calculate Zeff for the 4s electron in a copper atom, . and Calculate Zeff for a 3d electron in a copper

  11. bio

    4. During the process of photosynthesis, light energy is used directly in the A. formation of ATP B. reduction of NADP C. excitation of chlorophyll electrons D. splitting of carbon dioxide molecules I think it is a or d but i am unsure... It is a or d.

  12. chemistry

    Why is there a decrease in electron affinity going from lithium to sodium? A. There is a stronger nuclear charge, with no additional shielding electrons or number of shells. B. There are fewer spaces in the valence shell in which to place the added

  13. chemistry

    how many electrons does Fe3+ gain or lose when the ion forms? A. gains 1 electron B. loses 1 electron C. gain 3 electrons D. loses 3 electrons I think D.

  14. science

    Study the scenario. A beam of light hits a sheet of metal. If it has enough energy, electrons break free from the metal sheet. Which choice correctly describes the behavior of light in this situation? A) In this situation, light behaves as a particle

  15. physics

    On average, the electron and proton in a hydrogen atom are separated by a distance of (5.3 x 10 -11 m), assuming the orbit of the electron to be circular, (a) what is the electric force on the electron? and (b) WHat is the electrons orbital speed? and (c)

  16. chem

    There are eight markers in a full set, but Flora and Frank each only have seven markers.Flora is missing the red marker, and Frank is missing the blue marker.What can they do so that each has a full set of markers? * steal the ones they need share with

  17. Chemistry

    How can you find out how many unpaired electrons are present in gaseous Co3+ ion in its ground state? According to the NBS Circular 467 "Atomic Energy Leves", Co(3+) has 24 electrons with structure 1s(2), 2s(2), 2p(6),3s(2), 3p(6), 3d(6), and spectroscopic

  18. science

    What does glycolysis produce for each glucose molecule? 1 ATP, 3 NADPH, and 1 FADH2 2 ATPs and 2 NADPH* 3 NADPH and 1 FADH2 4 ATPs, 6 NADPH, and 2 FADH2 What are the functions of the high-energy electrons in the electron transport chain? They carry NADPH

  19. science

    Which option is an example of an automatic regulatory reaction? sweating*** taking in more calories burrowing underground wearing a jacket What is the correct order of events for cellular respiration? Krebs cycle → glycolysis → electron transport chain

  20. Biology

    During aerobic respiration, electrons travel downhill in which of these sequences? food-Krebs cycle-ATP-NAD+ or Food-NADH-electron transport chain-oxygen If I could figure out what it ends with it would be easier to answer.

  21. chemistry

    Ca + Br2 --> CaBr2 its synthesis and the reason the reaction happens is stable electron configuration but i don't understand why. Responses chemistry - DrBob222, Wednesday, January 21, 2009 at 10:06pm Synthesis because it's two elements combining to form a

  22. physics

    There are electrons in the filament of the ac lamp in your bedroom. When you turn on the lamp and it glows, the glowing comes from A) the positive charges that flow in the filament.B) the same electrons.C) different electrons; the ones that flow in the

  23. Physics

    Lightning occurs when there is a flow of electric charge (principally electrons) between the ground and a thundercloud. The maximum rate of charge flow in a lightning bolt is about 20,000 C/s, this lasts for 100 μs or less. How much charge flows

  24. Chemistry

    The resolution limit of a microscope is roughly equal to the wavelength of light used in producing the image. Electron microscopes use an electron beam (in place of photons) to produce much higher resolution images, about 0.16 nm in modern instruments.

  25. Physics(semiconductors)

    Is electron and hole flow the same in a diode?is the following explanation correct .if not then please provide the correct one When diode is forward biased,the forward current is the sum of electron current and hole current.this current is diffusion

  26. chemistry

    Light with a wavelength of 405 nm fell on a strontium surface, and electrons were ejected. If the speed of an ejected electron is 3.49 105 m/s, what energy was expended in removing the electron from the metal? Express the answer in joules (per electron)

  27. science

    Hi, I was wondering if I answered this question correctly #1-Two kinds of cell-transport are used in the process that forms ATP. Name the two types of transport and describe how they take place. Electron transport is not a form of cell transport. #1- I

  28. Chemistry

    Please help me break this problem down.. Thanks lot. Light with a wavelength of 425 nm fell on a potassium surface, and electrons were ejected at a speed of 4.88 X 10^5 m/s. What energy was expended in removing an electron from the metal? Express the

  29. Physical Science

    Need help with these questions- 1.What causes an electric current in a wire? A.Electric feilds cause atoms to move in the wire B.Electrons flow because of electrical attraction and repulsion C.Electrons move because of heat D.Electrons build up in the wire

  30. Chem Check Please!!!

    In an octahedral complex, electrons in dz^2 and dx^2-y^2 orbitals experience a greater repulsion from the lone pairs of electrons on ligands because these orbitals a. contain more electrons than the other three d orbitals. b. each contain one unpaired

  31. Physical Science

    ok so i keep getting one wrong on a 4 question test and failing so can someone tell me what im getting wrong 1. What causes an electric current in a wire? A. Electric fields cause atoms to move in the wire. B. Electrons flow because of electrical

  32. Physics

    Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed. The radius of the orbit is 2.26 × 10-11 m. Determine the magnitude of the

  33. Chemistry

    To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 2.10 nm in diameter? Take the mass of an

  34. chemistry

    Why do induced dipole-induced dipole forces increase as the number of electrons in a molecule increases? a. More electrons make the electron cloud more polarizable. b. More electrons means that there are more protons in the nuclei which hold the electrons

  35. Science guys :)

    hey guys a got a few problems i need help with im really desperate for help they're due soon online :( 1.Suppose that a constant current of 89 mA flows in a conductor. Find the absolute value of the total charge that passes through the conductor in 3

  36. PHYSICS- Laws of Motion

    When the cathode is heated from the 6.3 V AC supply, electrons are emitted from its surface. These electrons fall on the grid (which is positive) and a current flows in the cathode/grid circuit. As electrons stream from the cathode toward the grid, they

  37. biology

    Photosynthetic electron transport, like cellular respiration electron transport, is a series of redox reactions. True False I think it is true.

  38. physics

    in an electron microscope, a tungstun cathode with work function 4.5 eV is heated to release electrons that are then initially at rest just outside the cathode. The electrons are accelerated by a potential difference to create a beam of electrons with a de

  39. math

    the electron beam in a television tube consists of electrons accelerated from rest through a potential difference of about 20000v.what is the speed of the electrons?(ignore relativistic effects).electron rest mass is 9.11 X 10^-31kg and electron charge is

  40. Physiology

    Will someone look at these again please? There are 2 wrong but can't figure out which 2 1.During which stage of cellular respiration is most ATP made? C A. Glycolysis B. Chemiosmosis C. Electron Transport Chain D. Citric acid Cycle 2. The anticodon is part

  41. chem 101

    . In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV. Electrons with this kinetic energy have a

  42. Physics

    Lithium is the atom which has three protons in its nucleus and three electrons circling the nucleus.(it usuallly has 3 nuetrons as well,but they r not important in this problem.)Two of the electrons circle the nucleus at a distance 1.8* 10^-11 m (app.)The

  43. Physics - Help!

    A television set shoots out a beam of electrons. The beam current is 10E-6Amp (10macroAmp. How many electrons srike the TV screen each second? How much charge strike the screen in a minute? An ampere is a coulomb of electrons per second. If you divide that

  44. Chem

    How would a Lewis Dot Structure be drawn for CO +1? I can't seem to get it to satisfy the octet rule and have the right number of electrons. How many electrons do you have? 1C = 1 x 4 = 4 electrons. 1O = 1 x 6 = 6 electrons. Total is 10 electrons. -1

  45. science

    Can somebody help me understand batteries? I'll explain what I know, then, you can tell me if I'm right or wrong. I know that a battery consists of three main parts: the anode, the cathode, and an electrolyte. The anode is electropositive and the cathode

  46. Science

    What are the Lewis structures for hydrogen cyanide and cyanogen?? I think it's H:C:::N :N:::C:C:::N: with the inner upper electrons being shared. For the elements in these compounds, which is the noble gas whose electron configuration is attained in the

  47. Physics

    Observing electron interference through an ordinary macroscopic two-slit experiment would be extremely difficult and would require very slowly moving electrons. (Slow for an electron means < 10^3 m/s.) How slowly would electrons have to move through slits

  48. physics

    There are electrons in the filament of the ac lamp in your bedroom. When you turn on the lamp and it glows, the glowing comes from A) the positive charges that flow in the filament.B) the same electrons.C) different electrons; the ones that flow in the

  49. Chemistry

    Hi everyone, I'm having problems with effective nuclear charge. Regarding these problems. Calculate Zeff for a valence electron in an oxygen atom. and Calculate Zeff for the 4s electron in a copper atom, . and Calculate Zeff for a 3d electron in a copper

  50. biology

    Picture true of false The atom shown in the diagram has 4 energy levels or shells. 2. The atom shown in the diagram above has a total of 5 electron orbitals. 3. Each energy level consists of 2 or more orbitals. 4. The second energy level consists of 4

  51. AP Chem

    What is the electron configuration for carbon with sp hybridization? I have no idea. I know carbon has 4 electrons to use (6 electrons total, but 4 to move around for hybridization purposes), I know that the sp orbitals would take up two of the electrons,

  52. Chemistry

    Shown below are several options for the box notations of the ground state electron configuration of the following gas-phase species. Identify the correct electronic configuration. i. Al2− ii. Mn (a)Select the reason that best explains why the first

  53. Chemistry (Electrons in Atoms)

    True or False. 1)Electrons give off light as they drop to lower energy levels. 2)Electrons travel around the nucleus as waves. 3)A photon of low frequency light has more energy than a photon of high frequency light. 4)Orbitals with equal energy levels each

  54. Biology

    The metabolic pathways of organism living today evolved over a long period of time- undoubtedly in a step wise fashion because of their complexity. Considering everything you have learned to date about the evolution of life on Earth, put the following in

  55. Biology 20 please help

    State 2 molecules that get reduced and 2 that get oxidized during photosynthesis. ---------------------------------- I know that NADPH and Glucose are in their reduced form. 2 molecules that get reduced. Will it be NADP+ because it is gaining 2 electrons

  56. Math

    Hi! I need help with these two questions. Thanks! :) 1.) Can we multiply the Matrix A (which is 3 x 4 matrix) by the other matrix, Matrix B (which is 3 x 4 matrix)? True Or False? 2.) When we multiply the 6 x 3 matrix by the 3 x 1 matrix, the final matrix

  57. chemistry

    I'm drawing a Lewis structure for hydrogen cyanide using nitrogen with a valency of 3. Would I still need 2 dots after the N or would this represent nitrogen valency 5? You need the two extra electrons for N at the end. Only the electrons involved BETWEEN

  58. chemistry

    for the reaction, determine the number of transferring electrons so then i can pug into G=-nFE I'm assigning charges to each of the elements H2O2(aq) + 2ClO2(g) → O2(g) + 2HClO2(aq) (+1,-1) + (+4,-2) (0) (+1,+1,-2) since O changes from -1 to 0, so it

  59. chem

    If you maximize the unshared electrons in the boron atom, the electron configuration is? i know the electron configuration at ground state is 1S2 2S2 2P1 but when it maximizes unshared electrons i don't understand how it affects the configuration

  60. chemistry

    From which sublevel are the first 2 electrons for Fe removed from ______ From which sublevel is the next electron for Fe removed from _________ Why does the removal of electrons stop at this subleval and number of electron?? Please help me !!!

  61. Chem

    I was asked to fraw the energy level diagram for carbon. Carbon has 6 electrons so would the 2s and 2p orbitals both be half full? 1s = 2 electrons 2s= 1 electron 2p = 3 electrons

  62. Biology

    6) In detective novels, “the odor of bitter almonds” is the tell-tale clue to murder by cyanide poisoning. Cyanide works by attacking the enzyme that transfers electrons from the respiratory electron transport chain to O2. Why is it not possible for

  63. chemistry

    1 the mass of one mole of electron is ...... mg. 2 copper(I) ions contains .......... electrons in its 3rd orbitals 3 if both K and L shells of an atom are full,what is the total number of electrons contained in them? 4 what is maximum number of electrons

  64. CHEMISTRY

    to resolve an object in an electron microscope the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 7.90 nm in diameter? Take the mass of an

  65. bio please help me!!!!

    The passage of electrons down the electron transport chain appears to provide the energy for the active transport of hydrogen ions across the membrane from the mitochondrial matrix. What is the purpose of transporting the transporting the hydrogen ions

  66. biology

    embedded protein in the electron transport chain where h+ ions flow back into the matrix of the mitochondria 11 spaces sixth letter is n cant figure it out?

  67. science

    Which of the following sentences best compares conductors and insulators? A. Conductors and insulators allow electrons to flow freely. B. Conductors and insulators do not allow for electrons to flow freely. C. insulators obstruct the flow of electrons,

  68. Biology

    What role do high-energy electrons play in the electron transport chain?

  69. Biology

    Hi, one more question to clarify: How can the mass transfer kc and ultrafiltration solvent flux be increased? Select one: a. Another stream of fluid can flow adjacent to the membrane to accumulate solute at the membrane surface b. Another stream of fluid

  70. chem 101

    In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV. Electrons with this kinetic energy have a

  71. Science

    Some of the mitochondrial electron transport carriers (the cytochromes) absorb light at characteristic wavelengths when they are carrying the extra electrons from NADH but not when they give up the electrons to the next carrier. Thus, the light absorption

  72. biology

    When protons accumulate on one side of the membrane and then flow back across the membrane through ATP synthase it is called a. chemiosmosis b. electron transport chain c. charge separation d. primary photo-event

  73. biology

    Hi, I was wondering if I answered this question correctly #1-Two kinds of cell-transport are used in the process that forms ATP. Name the two types of transport and describe how they take place. Electron transport is not a form of cell transport. #1- I

  74. Chemistry

    A neutral atom of an element has 2 electrons with n=1, 8 electrons with n=2, and 5 electrons with n=3. Write its electron configuration and find: A) atomic number B) total number of s electrons C) total number p electrons D) total number of protons

  75. physical science

    Which electron cannot occurr? a) 1s^22s^1 b) 1s^2 2s^2 2p^6 3s^2 c) 1s^2 1p^6 2s^2 2p^6 d) all can occurr How do I figure this out? s orbitals can contain 2 electrons maximum and p orbitals can contain 6. I do not see this condition being violated in any

  76. Biology

    How can the mass transfer kc and ultrafiltration solvent flux be increased? Select one: a. Another stream of fluid can flow adjacent to the membrane to accumulate solute at the membrane surface b. Another stream of fluid can flow perpendicular to the

  77. Biology

    What would happen if Complex II of the electron transport chain was inhibited? I understand that ATP can still be produced even if Complex II was inhibited since it is Complexes I,III, IV that directly pump the protons from the matrix into intermembrane

  78. Physics

    Two electrons are separated by 1 meter. What is the ratio of the magnitude of the electric force on one electron and the gravitational force on that electron due to the other electron? The charge of an electron is 1.6×10−19C and its mass is

  79. Physics (Mechanics)

    An electron of mass 9.1E-31 kg is released from rest at a distance of 7.1 E-10 m from a fixed electron. The force on the movable electron is given by the function F = 2.3E-28/r^2, where r is the distance between the electrons. Find the maximum velocity (in

  80. Science

    .a sodium atom has the following distribution of electrons in its energy cells: shell1: 2 electrons shell2: 8 electrons shell3: 1 electron I think its shell 2

  81. Physiology

    1.During which stage of cellular respiration is most ATP made? C A. Glycolysis B. Chemiosmosis C. Electron Transport Chain D. Citric acid Cycle 2. The anticodon is part of a(n) ____ molecule and the codon is part of a(n) ___ molecule? B A. tRNA...rRNA B.

  82. biology

    Please help me with the following question with proper explanation =) Which of the following is/ are incorrect statement? (A) Electron transport chain is coupled with the hydrolysis of hexose phosphate. (B) Cytochrome is a pigment and electron carrier

  83. math,algebra II

    I have to work with these types of problems dealing with matrises can someone show me how to solve them.Heres one of them: Directions: Find the values of the variables in each equation in the first matrix it looks like this a+2 3z+1 5m 4k 0 3 then theres a

  84. chem please explain to me!

    can someone please elpain to me the formation of binary ionic compounds from its constituent element. cuz I don't understand! thanks I really thank you guys alot! What grade are you in? Do you know about s and p orbitals? um.. why does it matter??? and I

  85. Chemisrty

    Why does ionization energy tend to increase as you move across a period? As you move across a period, you add a proton in the nucleus and an electron in the outer shell. Ther greater number of protons causes a stronger pull on the electrons. The electrons

  86. chemistry

    for the reaction, determine the number of transferring electrons so then i can pug into G=-nFE I'm assigning charges to each of the elements H2O2(aq) + 2ClO2(g) → O2(g) + 2HClO2(aq) (+1,-1) + (+4,-2) (0) (+1,+1,-2) since O changes from -1 to 0, so it

  87. Chemistry

    Why does losing two electrons to form a +2 Cation cause the greatest shrinkage in atomic radius of the following? People are telling me that's the answer but I don't understand. a. Gaining one electron to form a 1+ cation b. Losing two electrons to form a

  88. Chemistry 400/ Chem 1A

    Assuming that the resolution of an electron microscope is equal to the deBroglie wavelength of the electrons used, what is the resolution of an electron microscope (in nm) when the electrons are accelerated to a speed of (5.60x10^5) m/s?

  89. science

    1 A ……... is a rectangular array of numbers that are enclosed within a bracket . horizontal set vertical matrix 2 When the numbers of rows is equal to the numbers of columns equal to 'n'. Where m=n. Then is called….. a square matrix a column

  90. Physics

    Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed. The radius of the orbit is 2.26 × 10-11 m. Determine the magnitude of the

  91. As Physics

    Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge Calculate the number of free electrons

  92. chemistry

    To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 8.10 nm in diameter? Take the mass of an

  93. Bio

    why does pH of the matrix increase when electrons flow along the electron transport chains of mitochondria?

  94. BIOLOGY PLEASE HELP!!!!!!!!!!!!!!!!

    embedded protein in the electron transport chain where h+ ions flow back into the matrix of the mitochondria Crossword puzzle 11 spaces sixth letter is n cant figure it out?

  95. Biology

    What could be a benefit for a plant that can switch between cyclic and non-cyclic electron transport? Think about the products of electron transport and what products are needed for the Calvin Cycle.

  96. Botany

    During the last part of cellular respiration in the mitochondrion, electron flow is tapped and used to make ATP. Where do the electrons end up when they are finished flowing?

  97. chemistry

    how many electrons flow through a wire in 83.9 seconds if the current was 0.32 amps? ( an ampere is a coulomb/sec)and the charge on an electron is 1.602×

  98. Science

    Knowing what you do about food chains and the flow of energy through an ecosystem,why are there less lions than gazelles on the African plains? Hmmm! This question asks YOU to synthesize what YOU've learned about food chains and then draw a conclusion.

  99. Chemistry

    what is the charge on a typical ion for group 1A? how can i figure out the answear to a question like this.. then group 7A,6A,2A Group 1A has one electron in the outer orbit, it is lost on ionization, and the charge on the metal ion is +1. Group 7a has

  100. Physics (Mechanics) - unanswered

    An electron of mass 9.1E-31 kg is released from rest at a distance of 7.1 E-10 m from a fixed electron. The force on the movable electron is given by the function F = 2.3E-28/r^2, where r is the distance between the electrons. Find the maximum velocity (in

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