The electron transport chain (ETC), or respiratory chain, is linked to proton movement and ATP synthesis. Select the STATEMENTS that ACCURATELY describe the electron transport chain. (True/False)
a)Electron transfer in the ETC is coupled to proton transfer form the matrix to the intermembrane space. b)Electrons generated by he citric acid cycle in the mitochondrial matrix enter the ETC. c)The outer membrane of mitochondria is readily permeable to small molecules and hydrogen ions. d)Electron carriers in the mitochondrial matrix include ubiquinone (coenzyme Q), FMN, and cytochrome c. e)Prosthetic groups, such as iron-sulfer centers, are directly involved with electron transfer. f)Electron carriers are organized into four complexes of proteins and prosthetic groups. g)The reactions of the ETC take place in the outer membrane of mitochondria.

Is a  vector quantity  that refers to "the rate at which an object changes its position." imagine a person moving rapidly - one step forward and one step back - always returning to the original starting position. while this might result in a frenzy of activity, it would result in a zero velocity. because the person always returns to the original position, the motion would never result in a change in position. since velocity is defined as the rate at which the position changes, this motion results in zero velocity. if a person in motion wishes to maximize their velocity, then that person must make every effort to maximize the amount that they are displaced from their original position. every step must go into moving that person further from where he or she started. for certain, the person should never change directions and begin to return to the starting position.

B) as the temperature increases, the kinetic energy of the particles increases.|-/