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svlad2 [7]
3 years ago
12

Part Two

Biology
1 answer:
pogonyaev3 years ago
8 0

Answer:

false

Explanation :true yes  no maybe i dont know can you repeat  the question ?

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5. What happens to the blood flow in the cardiac cycle?
joja [24]

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the answer is C

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Genetic drift tends to occur in populations that are what?
grandymaker [24]

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Very small/very large

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Genetic recombination in bacteria can happen during (name two possibilities)
Sergio [31]

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During transformation and conjugation

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Transformation is a process whereby genetic material from another species is  introduced into the bacteria through a series of biological steps and manipulation. Conjugation is when the exchange of the genetic material is between bacterial species through a conjugation tube.

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What does chlorophyll do when excited by photons?
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When a chlorophyll molecule absorbs light, the process of photosynthesis, or the transfer of light into sugar, begins. ... For each photon of light that enters and excites a chlorophyll molecule, one electron is released from the reaction center of Photosystem II.  So it passes to the reaction center where energy excited pair of electrons, which "jump" to electron acceptor.

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Dinitrophenol increases the permeability of the lipid bilayer of the inner mitochondrial membrane to protons. Assuming that all
Zigmanuir [339]

Answer:

The correct answer is : C .It will decrease ATP production because fewer protons will be able flow down through ATP synthase.

Explanation:

  • Oxidative Phosphorylation is a process which involves two steps:  
  1. Transport of electrons from the reduced compounds like NADH (Nicotinamide adenine dinucleotide hydrogen) and FADH₂ (Flavin adenine dinucleotide dihydrogen) through the electron transport complexes, located in the inner mitochondrial membrane, to oxygen for the generation of water molecules.
  2. Synthesis of ATP or adenosine triphosphate from ADP or adenosine diphosphate and inorganic phosphate by an enzyme called ATP synthase which is located in the inner mitochondrial membrane. This enzyme harnesses energy by carrying protons from the inter-membrane space into the mitochondrial matrix and in the process produces ATP.
  • Oxidative phosphorylation takes place in the mitochondria, especially involving the inter membrane space, inner membrane and mitochondrial matrix
  • During the transport of electrons through the protein complexes (I, II, III, IV) of the electron transport chain a proton gradient is generated across the inner mitochondrial membrane.
  • The proton gradient is such that the concentration of protons is more in the inter-membrane space and less in the matrix of the mitochondria.
  • This proton gradient provides the energy to the ATP synthase for the synthesis of ATP.
  • Dinitrophenol is responsible for making the inner mitochondrial membrane permeable to protons. As a result protons can directly diffuse through the inner mitochondrial membrane from the inter-membrane space into the mitochondrial matrix equalising the concentration of protons across the inner mitochondrial membrane. This causes distortion in the proton gradient.  Hence, protons are no longer available for the ATP synthase to operate and synthesise ATP.
4 0
3 years ago
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