energetics test

Question 1

is glycolysis aerobic or anaerobic

Answer 1

anaerobic

Question 2

what goes into glycolysis?

Answer 2

2ATP, 2NAD+, glucose

Question 3

what comes out of glycolysis?

Answer 3

2 pyruvic acids, 4 ATP, 2NADPH

Question 4

what happens after glycolysis if oxygen is available?

Answer 4

krebs/citric cycle

Question 5

what leaves the pyruvic acid when going from glycolysis to krebs?

Answer 5

CO2

Question 6

what goes into krebs?

Answer 6

acetyl CoA, citric acid

Question 7

what comes out of krebs?

Answer 7

2ATP, 2CO2, NADH, FADH2

Question 8

what comes after krebs cycle?

Answer 8

ETC (electron transport chain)

Question 9

what goes into ETC

Answer 9

2NADH, FADH2, NADH

Question 10

what comes out of ETC

Answer 10

32 ATP, H2O

Question 11

where does glycolysis occur?

Answer 11

cytoplasm

Question 12

where does the krebs cycle occur?

Answer 12

matrix

Question 13

where does ETC occur?

Answer 13

outer chamber on inter membrane (cristae)

Question 14

what are the carriers for energy and high energy electrons during glycolysis?

Answer 14

NADH

Question 15

what happens after glycolysis when oxygen is not present

Answer 15

fermentation

Question 16

what is the term when oxygen is not required

Answer 16

anaerobic

Question 17

net gain of ATP in glycolysis

Answer 17

2

Question 18

chemical equation for cellular respiration?

Answer 18

6 O2 + C6H12O6 -> 6 CO2 + 6 H2O + ATP

Question 19

difference between photosynthesis equation and cellular respiration

Answer 19

they are reversed

Question 20

what is alcoholic fermentatiom

Answer 20

used by cells such as yeast to produce CO2 and ethyl alocohol, producing two ATP

Question 21

what is lactid acid?

Answer 21

the two pyruvic acid molecules from glycolysis are converted into two molecules of lactic acid. causing 2 ATP to form

Question 22

what is the order of cellular respiration?

Answer 22

glycolysis, krebs cycle, ETC

Question 23

how many total ATP molecules are produced by one glucose molecule, completing cellular respiration?

Answer 23

36

Question 24

what molecule is the final electron acceptor at the end of the ETC

Answer 24

oxygen

Question 25

what is the molecule used by cells to store and transfer energy?

Answer 25

ATP

Question 26

fermentation used by humans to make yogurt, cheese, pickles, and sauerkraut

Answer 26

lactic acid

Question 27

where do H+ ions build up as electrons pass down ETC?

Answer 27

intermembrane space

Question 28

what does the krebs cycle do?

Answer 28

breaks down pyruvic acid into carbon dioxide and produces NADH, FADH2, and ATP

Question 29

glucose formula?

Answer 29

C6H12O6

Question 30

the folded intermembranes inside a mitochondria are called what?

Answer 30

cristae

Question 31

similarities between mitochondria and chloroplast

Answer 31

- generates energy - fluid filled spaces - double membranes - ETC in intermembrane - found in eukaryotes

Question 32

differences in mitochondria, not in chloroplast

Answer 32

- cellular respiration - matrix - cristae - found in all eukaryotic cells - breaks down sugars

Question 33

differences found in chloroplast and not mitochondria

Answer 33

- photosynthesis - stroma - thylakoid membrane - photoautotrophic cells - makes sugars

Question 34

does glycolysis use oxygen and where is it located

Answer 34

no, cytoplasm

Question 35

what happens to the electrons freed when the glucose molecule is broken apart?

Answer 35

go to ETC via NAD+

Question 36

after glycolysis, what two substances is formed from pyruvic acid

Answer 36

CO2, Acetyl CoA

Question 37

what substance forms citric acid

Answer 37

acetyl coA

Question 38

where is the krebs cycle? does it use oxygen?

Answer 38

matrix, yes

Question 39

ETC uses oxygen?

Answer 39

yes

Question 40

as electrons leap thru ETC they go from where to where?

Answer 40

inner cristae to outer chamber on intermembrane space

Question 41

how many total electrons are formed by cellular respiration? what is the net gain?

Answer 41

38 formed, 36 net gain

Question 42

ideal energy molecule produced by cells?

Answer 42

ATP

Question 43

what does ATP stand for?

Answer 43

Adenine Triphosphate

Question 44

where is the energy in ATP stored?

Answer 44

bonds

Question 45

what does ATP become when some energy is released?

Answer 45

ADP

Question 46

photosynthesis equation?

Answer 46

6 CO2 + 6 H2O + light -> C6H12O6 + 6 O2

Question 47

two chem. rx of photosynthesis?

Answer 47

calvin cycle, light rx

Question 48

where does light dependent reaction occur?

Answer 48

thylakoid membranes

Question 49

draw and label a chloroplast

Answer 49

parts- thylakoid, granum, stroma, inner membrane, outer membrane

Question 50

what is a pigment?

Answer 50

natural coloring of animal or plant tissue

Question 51

what is a photosystem?

Answer 51

protein in thylakoid membrane that clusters chlorophyll together

Question 52

how do electrons move to photosystem 1

Answer 52

ETC

Question 53

two other names of calvin cycle?

Answer 53

light independent rx, dark rx

Question 54

where does calvin cycle occur?

Answer 54

stroma

Question 55

what part of the photosynthesis equation goes into the light dependent rx?

Answer 55

6 H2O

Question 56

what part or photosynthesis equation comes out of the light rx?

Answer 56

6 O2

Question 57

what part of photo. = goes into dark rx

Answer 57

6 CO2

Question 58

what part of photo = comes out of dark rx?

Answer 58

C6H12O6

Question 59

what is the first step in cellular respiration

Answer 59

glycolysis