True or false Electrons donated by NADH to the electrons tra

True or false Electrons donated by NADH to the electrons transport chain Eventually end up in H20 The redox potential of Cytochrome c is lower than of Cytochrome c Oxidase Electrons obtained from the splitting of a water molecule are directly donated to photosystem I Inactivation of the Na+ ion channel before it closes ensures that the action potential moves forward Electrons are pumped from the matrix into the intermembrane space of the mitochondrion There is little net movement of K+ across the membrane because the voltage and concentration gradient work in opposite directions The total net yield of ATP molecules form the oxidation of one glucose molecule is 12 In the light reactions of photosynthesis protons are pumped into the intermembrane space of chloroplasts Enzymes that synthesize phospholipids function on the cytosolic side of the smooth endoplasmic reticulum Ion channels selects the solute to be transported across the plasma membrane based on size and charges In chl

Solution

1. True

> 2 electrons are donated by NADH, which through a series of signalling steps and pumping of Hydrogen ions end up to be used in water molecules.

2. True

> Cytochrome c Oxidase accepts 4 electrons through the carrier molecule carrying electrons - albeit 1 at a time.

3. True

> Electrons hit P680 - and through diffent proteins the electrons are transferred to Photosystem I.

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