ch 6 and quiz 3 (quiz 3 is on ch 6,7)

Question 1

an enzyme alters

Answer 1

the activation energy of a reaction

Question 2

thermodynamics is the

Answer 2

branch of chemistry concerned to do work

Question 3

energy is

Answer 3

the capacity to do work

Question 4

kinetic energy is

Answer 4

the energy of motion

Question 5

potential energy is

Answer 5

stored energy

Question 6

energy can

Answer 6

take many forms

Question 7

what provides energy for living systems?

Answer 7

the sun provides energy

Question 8

redox reaction

Answer 8

oxidation is loss of an electron

reduction is gain of an electron

Question 9

first law states that what can’t be created or destroyed?

Answer 9

energy

Question 10

whats the first law of thermodynamics?

Answer 10

energy can not be created or destroyed

Question 11

loss of an electron is called?

Answer 11

oxidation

Question 12

_______- reduction reaction transfer electrons while _________are made or broken

Answer 12

oxidation

bonds

Question 13

whats does the second law state?

Answer 13

it states that some energy is lost as disorder increases

Question 14

plant cells contain chloroplast for

Answer 14

photosynthesis

Question 15

plant cell contain mitochondria for

Answer 15

cellular respiration

Question 16

competitive inhibitor enzyme inhibitation

Answer 16

antibiotic will compete for substrate binding sites on the enzyme

Question 17

end product of glycolysis (oxidized)

Answer 17

pyruvate

Question 18

oxygen utilized in cellular respiration finally ends up as

Answer 18

H2O

Question 19

process to create gas

Answer 19

anaerobic repiration

Question 20

whats the disorder of the universe? (which is continuously increasing)

Answer 20

enthropy

Question 21

any reaction that requires input of energy is

Answer 21

endergonic (inward energy)

Question 22

releasing energy as heat is

Answer 22

exergonic (outward energy)

Question 23

in the chemical reaction the energy containing in the chemical bond of the molecule

Answer 23

enthalpy

Question 24

in cellular respiration what equals to the free energy

Answer 24

enthalpy

Question 25

chemical reactions can be predicted based on

Answer 25

changes in free energy

Question 26

spontaneous chemical reactions require

Answer 26

activation energy

Question 27

the process of influencing chemical bonds in a way that lowers the activation to initiate a reaction is called?

Answer 27

catalysis

Question 28

the extra energy needed to destabilize existing chemical bonds and initiate a chemical reaction is called?

Answer 28

activation energy

Question 29

cells store and release energy in the bonds of

Answer 29

ATP

Question 30

ATP is composed of

Answer 30

1. Five carbon sugar, ribose 2. adenine 3. chain of three phosphates

Question 31

ATP hydrolysis drives

Answer 31

endergonic reactions

Question 32

ADP to ATP is a _______ cellular reaction

Answer 32

excergonic

Question 33

H20 to Pi is a _____ cellular process

Answer 33

endergonic

Question 34

an enzyme alters the ______ of a reaction

Answer 34

activation energy