chapter 4

Question 1

ATP can be produced in two places. Where?

Answer 1

the mitochondrion and the cytosol

Question 2

Where is more ATP produced?

Answer 2

in the mitochondrion

Question 3

Products of cell resp?

Answer 3

water and CO2 (carbon dioxide)

Question 4

the four steps to energy harvest are?

Answer 4

food (glucose), NADH, ETC and O2

Question 5

What does ETC stand for?

Answer 5

electron transport chain

Question 6

is cell resp endergonic or exergonic?

Answer 6

exergonic

Question 7

in the reaction NAD+ + 2H+ + 2e- -> NADH, where do the electrons and protons go?

Answer 7

1 proton and both electrons go to molecule, 1 proton goes to the cytosol

Question 8

what ae the five classes of enzymes?

Answer 8

kinases, isomerases, mutases, dehydrogenases and decarboxylases

Question 9

what do kinases do, and what is an example?

Answer 9

transfers phosphate groups, like phosphofructokinase and hexokinase

Question 10

What step of glycolysis involves phosphofructokinase?

Answer 10

step 3

Question 11

when a phosphate group is added, what is the process called?

Answer 11

phosphorylation

Question 12

when a phosphate group is removed, what is the process called?

Answer 12

dephosphorylation

Question 13

what step of glycolysis involves hexokinase?

Answer 13

step 1

Question 14

what does an isomerase do, and what is an example?

Answer 14

changes the structure of a molecule to its structural isomer, like phosphoglucoisomerase

Question 15

what step of glycolysis involves phosphoglucoisomerase?

Answer 15

step 2