biology 1150 test two (cellular energetics)

Question 1

____ are chemical machines

Answer 1

cells

Question 2

what do eukaryotic cells do through their cellular organelles (3)

Answer 2

manufacture, process, and ship biological molecules

Question 3

the fuel that allows all cells to run their processes is

Answer 3

adenosine triphosphate (atp)

Question 3

what are the “input” molecules in the production of atp (2)

Answer 3

glucose and oxygen gas

Question 4

what does glucose do in the production of atp

Answer 4

stores potential energy in its chemical bonds

Question 5

a waste product molecule of cellular respiration

Answer 5

carbon dioxide

Question 6

what does oxygen gas do in the production of atp

Answer 6

helps process high-energy electrons

Question 7

the high energy “output” of respiration reactions that is the “fuel” for all metabolic reactions in a cell

Answer 7

adenosine triphosphate (ATP)

Question 8

atp is made for use in the cells through ____ potential metabolic biochemical reactions

Answer 8

two

Question 9

aerobic cellular respiration is when oxygen

Answer 9

is present

Question 9

fermentation reactions are when oxygen

Answer 9

is not present

Question 10

what are the 4 stages of cellular respiration

Answer 10

1. glycolysis
2. transition reaction
3. citric acid cycle
4. electron transport chain

Question 11

where does glycolysis take place

Answer 11

cell cytoplasm

Question 12

what are the chemical inputs of glycolysis

Answer 12

1 glucose 2 atp

Question 12

what are the outputs of glycolysis

Answer 12

4 atp (2 net atp), 2 NADH, 2 Pyruvate

Question 13

where does fermentation take place

Answer 13

cell cytoplasm

Question 14

what are the inputs of fermentation

Answer 14

2 pryuvate

Question 15

outputs of fermentation

Answer 15

NADH

Question 16

outputs of fermentation only happens when

Answer 16

O2 is not present

Question 17

fermentation pathways allow cells to

Answer 17

regenerate NAD+ for glycolysis

Question 18

what happens to the NADH produced by fermentation

Answer 18

fed back into glycolysis

Question 19

you need ____ to keep breaking down glucose to make ATP

Answer 19

NAD+

Question 20

where does pyruvate processing happen

Answer 20

mitochondrial matrix

Question 21

where does citric acid / krebs cycle happen

Answer 21

mitochondrial matrix

Question 22

what are the outputs of the citric acid / krebs cycle

Answer 22

2 ATP, 6 NADH, 2FADH, 4CO2

Question 22

what are the inputs of citric acid / krebs cycle

Answer 22

2 Acetyl Coa

Question 23

where does chemiosmosis happen

Answer 23

mitochondrial membrane

Question 24

what are the inputs of chemiosmosis

Answer 24

10 NADH, 2 FADH

Question 25

what are the outputs of chemiosmosis

Answer 25

26 ATP, H2O

Question 26

ATP synthase generates the

Answer 26

ATP

Question 27

what molecules are the ones that most cells “want” to use to make ATP

Answer 27

monosaccharide monomers

Question 28

anabolic metabolism

Answer 28

building up biological molecules for use in the cell

Question 29

catabolic metabolism

Answer 29

breaking down biological molecules for energy and as molecular building blocks