Chapter 7

Question 1

why do plants make glucose?

Answer 1

for cellular respiration

Question 2

make own food from inorganic molecules

Answer 2

autotrophs

Question 3

autotrophs feed

Answer 3

heterotrophs

Question 4

what does photosynthesis turn into

Answer 4

solar into chemical energy

Question 5

reactants of photosynthesis

Answer 5

CO2, H2O, light

Question 6

products of photosynthesis

Answer 6

glucose and O2

Question 7

what is the catalyst for photosynthesis

Answer 7

light

Question 8

filled with chlorophyll

Answer 8

chloroplasts

Question 9

where are chloroplasts

Answer 9

1. mesophyll cells

2. epidermis

Question 10

cells in the middle of leaf

Answer 10

mesophyll cells

Question 11

protected by epidermis

Answer 11

mesophyll cells

Question 12

2 types of mesophyll cells

Answer 12

1. paliside

2. spongy

Question 13

superior/top mesophyll cell

Answer 13

paliside

Question 14

delivers water/nutrients up and down

Answer 14

vein

Question 15

mini pores open and close for gas exchange

Answer 15

stomata

Question 16

on inferior of leaf

Answer 16

stomata

Question 17

release excess oxygen

Answer 17

stomata

Question 18

take in carbon dioxide

Answer 18

stomata

Question 19

how many chloroplasts does each mesophyll cell have?

Answer 19

30

Question 20

networks of membranes active in photosynthesis

Answer 20

thylakoids

Question 21

lots of surface area = more reaction

Answer 21

thylakoids

Question 22

liquid material of chloroplast

Answer 22

stroma

Question 23

primary pigment of plants

Answer 23

chlorophyll a

Question 24

in thylakoid membranes to capture light energy

Answer 24

chlorophyll a

Question 25

can prokaryotes go through photosynthesis

Answer 25

yes! some

Question 26

do not have chloroplasts

Answer 26

prokaryotes

Question 27

use thylakoid memebrane folds for electron transport

Answer 27

prokaryotes

Question 28

Photosynthesis is a

Answer 28

redox reaction

Question 29

during photosynthesis carbon dioxide is _____ and electrons/hydrogens are ________

Answer 29

reduced | added

Question 30

during photosynthesis water is ______ and electrons/hydrogens are _______

Answer 30

oxidized | lost

Question 31

2 stages of photosynthesis

Answer 31

1. light reactions | 2. calvin cycle

Question 32

sunlight powers electron removal from water

Answer 32

light reactions (stage 1)

Question 33

light energy produces ATP

Answer 33

light reactions (stage 1)

Question 34

light energy to chemical energy

Answer 34

light reactions (stage 1)

Question 35

electrons and ATP power carbon fixation

Answer 35

calvin cycle (stage 2)

Question 36

full range of energy from radio-gamma ray

Answer 36

electromagnetic spectrum

Question 37

vary in wavelength

Answer 37

electromagnetic spectrum

Question 38

light behaves as

Answer 38

photons

Question 39

fixed energy

Answer 39

photons

Question 40

more photon energy =

Answer 40

shorter wavelength

Question 41

aborbs red and blue and violet

Answer 41

chlorophyll a

Question 42

absorbs blue and orange

Answer 42

chlorophyll b

Question 43

what dectects color in our eyes

Answer 43

photoreceptors

Question 44

refelect yellow and orange

Answer 44

caratenoids

Question 45

light reactions and photosystems use _____ to excite electrons

Answer 45

the solar

Question 46

complex molecules in thykaloid membrane

Answer 46

photosystem

Question 47

collect solar energy and transform it into chemical energy

Answer 47

photosystem

Question 48

combination of pigments and proteins

Answer 48

light-harvesting complex

Question 49

light-gathering antenna absorb photons and pass the energy

Answer 49

light-harvesting complex

Question 50

pair of chlorophyll molecules accept electrons

Answer 50

reaction-center complex

Question 51

electrons are passed to the primary electron acceptor

Answer 51

reaction-center complex

Question 52

photosystems I and II work together to make

Answer 52

ATP and NADH and Light reactions

Question 53

chloroplasts have ATP synthase to make ATP,

Answer 53

photophosphorylation

Question 54

excited electrons passed from PSII to PSI pump H+ ions into thylakoid space

Answer 54

photophosphorylation

Question 55

H+ ions move through ATP synthase = ATP

Answer 55

photophosphorylation

Question 56

Why are light reactions important

Answer 56

1. release energy to make ATP 2. water is spilt 3. Electrons are transferred to electron acceptor