Chapter 3.4

Question 1

e- carrying molecules

Answer 1

ones that give off and take e-

Question 2

structure of e- carrying molecules

Answer 2

ribose sugar, phosphate, C-N rings

Di nucleotides

Question 3

attract/ pick up e- and attract H+ in the process

carry e- from one location to another

Answer 3

e- carrying electrons

Question 4

oxidation

Answer 4

removal of H/addition of O

Question 5

chemical reaction where an atom loses e-

Answer 5

oxidation

Question 6

reduction

Answer 6

addition of H/ removal of O

Question 7

chemical reaction where an atom gains e-

Answer 7

reduction

Question 8

reducing agent

Answer 8

a substance that loses e- causing the other substance to be reduced

Question 9

oxidizing agent

Answer 9

a substance that gains e- causing the other substance to be oxidized

Question 10

dehydrogenase

Answer 10

an enzyme that oxidizes a substrate and transfers hydrogen ions to an acceptor

Question 11

NADH

Answer 11

the reduced form of the coenzyme nicotinamide adenine dinuclutide

Question 12

fast _____ lead to a rapid loss of E in the form of _____.

Answer 12

oxidation reactions; waste thermal energy

Question 13

______ oxidation reactions involve many steps but there is ______ wate energy because more released energy can be captured

Answer 13

Controlled; less

Question 14

during cellular redox reactions, _____ facilitate the transfer of e- from food to energy -carrier molecules

Answer 14

dehydrogenase