FINAL photosynthesis/energy Flashcards Preview

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Flashcards in FINAL photosynthesis/energy Deck (43):
1

sunlight arrives at a plant in units of energy called

photons

2

why are plants green

reflect green wavelengths of light

3

stroma

central fluid filled space containing DNA RNA ribosomes of chloroplast

4

grana

stack of thylakoid membrane structures

5

what part of the electromagnetic spectrum is used for photosynthesis

visible light

6

where do light dependent reactions occur

thylakoid membrane

7

products of the light reactions of photosynthesis

NADPH ATP O2

8

products of dark reaction of photosynthesis

organic molecules

9

first law of thermodynamics

energy is neither created nor destroyed

10

second law of thermodynamics

energy is partly lost as heat in the process of recycling

11

wavelengths of visible light

380-720 nm

12

C3 plants

cant store, 3 carbon atoms

13

C4 plants

store CO2 in 4 carbon molecules

14

CAM plants

crassulacean acid metabolism; stores lots of CO2 in various molecules

15

what green pigment traps sunlight during photosynthesis

chlorophyll

16

what chloroplast structure is the site of photosynthesis

stroma and thylakoid membrane

17

organelle involved in cellular respiration

mitochondria

18

product of glycolysis

pyruvate and ATP

19

glycolysis = how many ATP molecules

2

20

what gas is released during the transition reaction

CO2

21

how many molecules of ATP does the electron transport system yield

30-32

22

the activated carrier molecule which transforms phosphate bonds

ATP

23

the activated carrier molecules which transfers high energy electrons

NADH NADPH

24

activated carrier molecule that transfers high energy acetyl groups

Acetyl CoA

25

G

free energy

26

Delta G

change in energy

27

10 to 20 (favorable vs unfavorable)

unfavorable

28

molecule that pyruvate is converted to in anaerobic cellular respiration (yeast and plant cells)

alcohol

29

molecule that pyruvate is converted to in anaerobic cellular respiration (animal and bacteria cells)

lactic acid

30

what type of reactions is NADH involved in

cellular respiration

31

type of reactions NADPH is involved in

photosynthesis

32

what ion is responsible for turning the ATP synthase pump to generate ATP during electron transport

hydrogen

33

who won nobel prize for discovery of the dark reaction

melvin calvin

34

who won nobel prize for the discovery of the citric acid cycle

Krebs

35

the critical factor driving yeast to use fermentation to metabolize sugar is

lack of oxygen

36

first process in breaking down glucose is

glycolysis

37

which process produces alcohol or lactate

fermentation

38

what pair of processes are aerobic

krebs cycle and electron transport system

39

what process occurs in the cytosol

glycolysis

40

what process occurs in the mitochondria

krebs cycle

41

entropy

the disorder created by heat in a reaction

42

oxidation

lose an electron

43

reduction

gains an electron