7.2 Terms (1)

Question 1

exergonic reactions

Answer 1

release energy as it goes forward

Question 2

endergonic reactions

Answer 2

require the input of energy

Question 3

endergonic and exergonic reactions

Answer 3

are often couples so that released energy is immediately put to use

Question 4

oxidation

Answer 4

loss of electrons

Question 5

reduction

Answer 5

gain of electrons

Question 6

oxidoreductase

Answer 6

enzymes that remove electrons from one substrate and add them to another

Question 7

redox pair

Answer 7

an electron donor and electron acceptor involved in a redox reaction

Question 8

oxidation-reduction (redox)

Answer 8

indispensable to the required energy transformations