energy

Question 1

anabolic

Answer 1

small molecules into larger ones
requires energy

Question 2

metabolic

Answer 2

large molecule into smaller ones
energy is released

Question 3

energy

Answer 3

ability to do work

Question 4

1st law of thermodynamics

Answer 4

cannot be created for destroyed

Question 5

second law of thermodynamcs

Answer 5

disorder is more likely than order

Question 6

entropy

Answer 6

amount of disorder in the system
always increasing

Question 6

heat energy is measured

Answer 6

in calories

Question 7

1 calorie definition

Answer 7

amount of heat required to raise temp of 1 g of water by 1 C

Question 8

endergonic reaction

Answer 8

reaction that needs input of energy

Question 9

exergonic reaction

Answer 9

reaction that releases energy

Question 10

free energy

Answer 10

energy available to do work

Question 11

enthalpy

Answer 11

energy contained in a molecules chem bonds

Question 12

entropy, delta s

Answer 12

energy due to ordering/disordering a system

Question 13

does free energy say anything about the speed of reaction

Answer 13

no, will only say if its favorable

Question 14

negative free energy (-G) relation to a reaction

Answer 14

favorable

Question 15

activation energy

Answer 15

extra energy needed to start a reaction, all or nothing

Question 16

catalysts

Answer 16

substances that lower activation energy of a reaction, not used in reaction

Question 17

how are endergonic reactions driven

Answer 17

coupling with an exergonic reaction

Question 18

delta g 0

Answer 18

reactions carried out under standard conditions (25C, 1 M reactants, ph 7)

Question 19

will speed of reaction change delta g?

Answer 19

no

Question 20

what effects enzyme activity

Answer 20

PH, temp

Question 21

inhibitors

Answer 21

Competitive or allosteric, bind to an enzyme to decrease activity

Question 22

activators

Answer 22

allosteric only
increase enzyme activity

Question 23

competitive inhibitors

Answer 23

bind at the active site and inhibit substrate binding to enzyme

Question 24

allosteric inhibitors

Answer 24

bind allosteric site and inhibit enzyme

Question 25

allosteric sites

Answer 25

binding sites apart form active site

Question 26

allosteric activator

Answer 26

bind allosteric site and activate the enzyme

Question 27

biochemical pathways

Answer 27

serise in which the product of one reaction becomes the substrate for the next reaction

Question 28

biochemical pathways are often regulated by

Answer 28

feedback inhibition

Question 29

multienzyme complexes advantages

Answer 29

1. product of one reaction can be quickly delivered to next
2. no unwanted side reactions
3. all reactions controlled as a unit

Question 30

cellular resperiation

Answer 30

allows energy to be released in a serises of oxidation reactions

Question 31

what facilitates oxi/reduc

Answer 31

enzymes

Question 32

aerobic respiration

Answer 32

oxygen requiring breathing, oxygen is electron acceptors

Question 33

anaerobic respiration

Answer 33

no oxy required, still need election acceptors

Question 34

substrate level phosporylation

Answer 34

no oxy, inefficient way to make atp
transfers phosphate group to adp to make atp, next gains 2 ATP

Question 35

oxidative phosphorlyation/ chemiosmosis

Answer 35

mitochondria
more efficient,
NADH produced via citric acid cycle and feeds electrons to electron transport chain
1 nadh to 3 ATP

Question 36

electron transport chain

Answer 36

proton pump, gradient of potions

Question 37

endergonic reaction what is delta g and stuffff

Answer 37

delta g is positive
energy requiring

Question 38

exergonic reaction what is delta g and stuffff

Answer 38

negative
energy releasing

Question 39

what will speed up a reaction

Answer 39

lowering activation energy

Question 40

coupled reaction energy requirements

Answer 40

free energy release must be more than energy required

Question 41

what effects enzymes

Answer 41

temp (hotter can be good but it will denature)
ph
other molecule inhibitors