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59 notecards = 15 pages (4 cards per page)

Viewing:

photosynethesis

front 1

where does photosynthesis occur?

back 1

in the chloroplasts

front 2

photo(light) reactions

back 2

gathers energy from the sun

front 3

synthesis(building)

back 3

reactions of carbohydrates

front 4

the equation of photosynthesis is the reverse of

back 4

respiration equation

front 5

equation for photsynthesis

back 5

Co2 + H2O + light energy .> C6H12O6 + O2 + H2O

front 6

photoautotrophs

back 6

organisms that do photosynthesis. they make their own molecules using sunlight energy as an energy source

front 7

Autotrophs

back 7

make their own food

front 8

does oxygen come from water or CO2 in basic photosynthesis?

back 8

WATER

front 9

what does photosynthesis power?

back 9

the biosphere

front 10

what does chloroplasts contain that give plants their green color?

back 10

chlorophyll, a green pigment

front 11

is chlorophyll found in all plants?

back 11

NO.

front 12

where is chlorophyll mainly found?

back 12

in the mesophyll layer

front 13

what do plant leaves contain?

back 13

they contain stomata ( stoma plural )

front 14

what is the stomata

back 14

the openings for gas exchange

front 15

what goes into the stoma?

back 15

CO2

front 16

what goes out of the stoma ?

back 16

O2

front 17

thylakoids

back 17

contains chlorophyll ( green pigment ) composed of thylakoid membrane surrounding thylakoid lumin

front 18

what are stacks of thylakoid called?

back 18

granum

front 19

Stroma

back 19

liquidy material surrounding thylakoids

front 20

what is inside the thylakoid membrane

back 20

thylakoid lumin

front 21

what is the site of photo(light) reactions ?

back 21

thylakoid

front 22

what is the site of light independent reactions or synthesis reactions?

back 22

the stroma

front 23

where are pigments embedded ?

back 23

in the thylakoids membrane

front 24

what is the main pigment ?

back 24

chlorophyll A

front 25

what are accessory pigments?

back 25

chlorophyll B, carotenoids, xanthophyll, cyanins

front 26

why is the thylakoids embedded in the membrane?

back 26

it is mostly all hydrocarbon

front 27

porphyrin ring, also referred to as antenna complex

back 27

pigments shaped liked a kite.

front 28

whats at the center of porphyrin ring?

back 28

a magnesium atom

front 29

2 stages of photosynthesis reactions

back 29

photo(light) dependent and synthesis(light) independent

front 30

photo ( light ) dependent reaction

back 30

occur in thylakoids, and produce ATP but used in light independent reactions to build carbohydrates, NADPH, and O2

front 31

type of light dependent reactions

back 31

non-cyclic phosphorylation

front 32

phosphorylation

back 32

addition of phosphate

front 33

photo

back 33

using light energy for the addition of phosphate group

front 34

phosphorylation uses ATP to make energy from?

back 34

light

front 35

synthesis ( light )independent reactions

back 35

, also referred to as the calvin cycle, and carbon fixation cycle. They use the energy from light reactions to build sugars

front 36

2 ways to look at light energy

back 36

waves//particle

front 37

Waves

back 37

theres short and long wavelengths, each one represents a different color

front 38

wavelength

back 38

the distance from peak of 1 wave to the peak of another

front 39

shorter waves have

back 39

MORE energy

front 40

longer wavelengths have

back 40

LESS energy

front 41

what is a particle

back 41

a photon, a particle of light

front 42

Sun

back 42

a mixture of many wavelengths called white light, which is all of the wavelengths together

front 43

what happens when light hits an object

back 43

some wavelengths are absorbed some are reflected

front 44

white objects _

back 44

reflect all wavelengths

front 45

black objects _

back 45

absorb all wavelengths

front 46

photosynthetic pigment absorb..

back 46

some light energy and reflect others

front 47

why are plants green

back 47

they reflect green wavelengths

front 48

what is not part of chloroplasts?

back 48

Matrix, its in the mitochondria

front 49

what happens when a pigment absorbs light?

back 49

the energy in the photon is transferred to an electron

front 50

what happens when a photon of light hits e- in the 2nd shell?

back 50

It gives in a lot more energy so the e- jumps to the higher shell

front 51

what can happen when a high energy e- jumps to a higher shell?

back 51

It can either emit a less energetic photon OR the e- can get transfered to another molecule ( electron acceptor ) with exactly the right shell so that it stablizes the e- ( this all happens in the PIGMENT )

front 52

what happens when a photon of light hits magnesium ?

back 52

the electron ( e- ) in magnesium gets boosted to a higher energy level, then gets passed to e- acceptor molecule stabilizing the energy In that e-

front 53

where do light reactions occur?

back 53

in the thylakoids membrane

front 54

what is more likely to get hit with a photon?

back 54

chlorophyll B

front 55

what sticks out of the thylakoids membrane?

back 55

the porphyrin ring

front 56

what are 3 energy carriers of photosynthesis?

back 56

NADP+, NADH, and ATP

front 57

NADP+

back 57

similar to NAD+ just with P- ( photosynthesis )

front 58

NAD+

back 58

gets reduced to NADH which carries high energy electrons to the calvin cycle

front 59

ATP

back 59

also used as an energy source in the calvin cycle