chapter 10

Question 1

the use of light energy drives the synthesis of what organic molecules

Answer 1

CO2

H2O

Question 2

what organisms can conduct photosynthesis in aquatic environments

Answer 2

multi-cellular algae
unicellular algae
cyanobacteria

Question 3

what are autotrophs

Answer 3

self feeders

Question 4

what are heterotrophs

Answer 4

other feeders

Question 5

what are autotrophic characteristics

Answer 5

“producers”
dont consume other living organisms
produce organic molecules
plants

Question 6

photoautotrophs

Answer 6

use light as a source of energy to synthesize organic substances

Question 7

what are heterotrophic characteristics

Answer 7

“consumers”
don’t make their own food
may eat plants or animals
dependent

Question 8

photosynthesis converts light energy to

Answer 8

chemical energy of food

Question 9

where are the enzymes that regulate photosynthesis located

Answer 9

membranes

Question 10

where is photosynthesis said to be originated from

Answer 10

infolded regions of plasma membranes

Question 11

stroma

Answer 11

dense fluid of the chloroplasts

Question 12

granum

Answer 12

column of thylakoid sacs

Question 13

what are thylakoids

Answer 13

sacs

Question 14

what is a thylakoid space

Answer 14

space in between sacs

Question 15

what parts on a plant are capable of photosynthesis

Answer 15

everything green

Question 16

during photosynthesis, CO2 is reduced/oxidized to form glucose

Answer 16

reduced

Question 17

what is mesophyll

Answer 17

tissue in the interior of the leaf

Question 18

what is a vein

Answer 18

delivers water and minerals from soil

Question 19

what enters and exists the stomata

Answer 19

enters: CO2
exists: O2

Question 20

what is the ultimate product of photosynthesis

Answer 20

sugar

Question 21

where does a plant get its color

Answer 21

green pigment- chlorophyll

Question 22

where is chlorophyll located

Answer 22

thylakoid membrane in chloroplasts

Question 23

each mesophyll cell contains about how many chloroplasts

Answer 23

30-40 ish

Question 24

what is used to simplify the relationship between photosynthesis and respiration

Answer 24

glucose

Question 25

what is a direct product of photosynthesis

Answer 25

3 carbon sugar

Question 26

when electrolytes move from water to sugar are they moving to a more or less electronegative partner?

Answer 26

less

Question 27

how do electrons distributed through photosynthesis

Answer 27

atoms constantly moving around because of molecular change

Question 28

how is oxygen involved in photosynthesis

Answer 28

it turns into a waste product released into the atmosphere

Question 29

how does the potential energy change as it moves from water to sugar

Answer 29

increase, requires energy, endergonic reaction

Question 30

what are the two stages of photosynthesis

Answer 30

light reactions | calvin cycle

Question 31

what occurs during light reactions

Answer 31

photo part- converts solar energy into chemical energy

Question 32

what is the calvin cycle

Answer 32

the synthesis part- incorporates CO2 into organic molecules which are converted

Question 33

photophosphorylation

Answer 33

light reaction that generates ATP

Question 34

what is electromagnetic energy

Answer 34

light energy, that travels

Question 35

what magnitude of energy drives photosynthesis

Answer 35

radiation

Question 36

photon

Answer 36

discrete particle of electronegativity

Question 37

photosynthetic pigments

Answer 37

light receptors that function to absorb light, different pigments absorb different wavelengths

Question 38

what color does chlorophyll absorb

Answer 38

violet blue and red light

Question 39

what color does chlorophyll reflect

Answer 39

green

Question 40

what colors of light are best for photosynthesis

Answer 40

violet blue and red

Question 41

how do accessory pigments contribute to photosynthesis

Answer 41

pigments absorb light at slightly different wavelengths and broaden the spectrum of colors that are useful for photosynthesis

Question 42

whats a closed system

Answer 42

excitation of isolated chlorophyll molecule

Question 43

when will a particular chlorophyll pigment only absorb a photon

Answer 43

when the energy is exactly equal to the difference between the ground state and the excited state

Question 44

how is energy released in a closed system

Answer 44

in the form of fluorescence and heat

Question 45

how is energy released in a open system

Answer 45

used to power reactions of photosynthesis

Question 46

what is an open system

Answer 46

excitation of chlorophyll

Question 47

a photosystem contains

Answer 47

reaction center | several light harvesting complexes

Question 48

what is the reaction center

Answer 48

protein complex that contains special chlorophyll a molecules

Question 49

what do several light harvesting complexes consist of

Answer 49

various pigment molecules bound to proteins

Question 50

what is photosystem 2

Answer 50

chlorophyll a absorbs light best at 680 nm

Question 51

what is photosystem 1

Answer 51

chlorophyll a absorbs light best at 700 nm

Question 52

what is reduced in a light reaction

Answer 52

water

Question 53

what is the energy source of cellular respiration

Answer 53

chemical energy in food

Question 54

what is the energy source of photosynthesis

Answer 54

light energy

Question 55

is ATP a final product of photosynthesis

Answer 55

false, everything created is used

Question 56

where are ATP and NADPH found in the chloroplasts after the light reactions

Answer 56

stroma

Question 57

light reactions uses solar energy to generate

Answer 57

atp and nadph

Question 58

light reaction produces ATP and NADPH and transported to be used for

Answer 58

reactants of carbohydrate synthesis by the calvin cycle

Question 59

where do light reactions take place

Answer 59

thylakoid membrane of the chloroplast

Question 60

where does the calvin cycle take place

Answer 60

stroma