Chemistry

Question 1

Where do the ETC and Krebs occur?

Answer 1

mitochondria

Question 2

Are the ETS and Krebs aerobic or anaerobic?

Answer 2

aerobic (requires O2)

Question 3

Where does glycolysis occur?

Answer 3

in the cytosol

Question 4

Is glycolysis aerobic or anaerobic?

Answer 4

anaerobic (doesn’t require oxygen)

Question 5

A catalyst that lowers activation energy. Does NOT alter equilibrium.

Answer 5

enzyme

Question 6

An inactive enzyme precursor

Answer 6

pro-enzyme (zymogen)

Question 7

Protein component of an enzyme, where coenzyme attach

Answer 7

apoenzyme

Question 8

What type of reactions are affected by substrate concentration, pH, and temperature.

Answer 8

enzymatic

Question 9

An enzyme that causes oxygen in a compound to be change by water

Answer 9

oxidase

Question 10

Removes a hydrogen

Answer 10

dehydrogenase

Question 11

What enzyme adds hydrogen to a compound?

Answer 11

reductase

Question 12

Enzyme which catalyzes the addition of a carboxyl group

Answer 12

carboxylase

Question 13

Enzyme that catalyzes the release of CO2 from compounds is called?

Answer 13

decarboxylase

Question 14

enzyme that facilitates hydrolysis as in sucrase in the breakdown of sucrose is called?

Answer 14

hydrolase (cleavage of a compound by the addition of water)

Question 15

enzyme which adds inorganic phosphate to a substrate without using ATP is called?

Answer 15

phosphorylase

Question 16

enzyme that removes a phosphate group from its substate by hydrolyzing phosphoric acid monoester into a phosphate ion and a molecule with a free hydroxyl group is called?

Answer 16

phosphatase

Question 17

Enzyme that transfers a phosphate group from high energy donor molecules like ATP

Answer 17

kinase

Question 18

Enzyme which changes the configuration and not the composition of a compound, Glucose ^ phosphate into Fructose 6 Phosphate

Answer 18

isomerase

Question 19

a type of isomerase which moves one group to another part in the same chemical compound like phosphate from C3 to C2 in 3-phosphoglycerate to 2-phosphoglycerate

Answer 19

mutase

Question 20

enzyme that catalyzes the transfer of a functional group from one molecule to another

Answer 20

transferase

Question 21

enzyme that catalyzes the joining of two molecules

Answer 21

ligase

Question 22

Refers to the maximum velocity of a reaction and is proportional to enzyme concentration

Answer 22

Vmax

Question 23

is the substrate concentration required to reach 1/2 of the Vmax

Answer 23

Kmax (Michaelis-Menten constant)