Chapter 10: Photosynthesis

Question 1

photosynthesis

Answer 1

the use of sunlight to create carbohydrates, converts electromagnetic energy to chemical energy

Question 2

photosynthesis requires what?

Answer 2

sunlight, CO2, and water

Question 3

what is the opposite of cellular respiration

Answer 3

photosynthesis

Question 4

photosynthesis and it’s two set of reactions

Answer 4

1)light dependent reactions produce O2 from H2O (water is split to form O2)
2)the Calvin cycle

Question 5

where does photosynthesis occur

Answer 5

the chloroplast

Question 6

what is the chloroplast surrounded by?

Answer 6

thylakoids

Question 7

thylakoids

Answer 7

flattened vesucle like structures, forms grana

Question 8

what is the space inside a thylakoid called

Answer 8

lumen

Question 9

what is the space surrounding thylakoids called?

Answer 9

stroma

Question 10

autotrophs

Answer 10

organisms that use photosynthesis (self-feeders)

Question 11

heterotrophs

Answer 11

non-photosynthetic organisms (different feeders), have to obtain sugars from other organisms

Question 12

what do the pigments in thylakoid membranes do

Answer 12

reflect to see color

Question 13

electromagnetic radiation

Answer 13

form of energy, light is an example of this

Question 14

electromagnetic radiation as a wave

Answer 14

light characterized by its wavelength, the difference in between two wave crests

Question 15

electromagnetic radiation as a particle

Answer 15

light exists in discrete packets (photons)

Question 16

electromagnetic spectrum displays what

Answer 16

displays the ranges of wavelengths of radiation

Question 17

visible light

Answer 17

the portion that humans are able to see

Question 18

photons

Answer 18

can be absorbed, transmitted, reflected when they strike an object

Question 19

what are the two major classes of pigments in plants

Answer 19

chlorophyll and carotenoids

Question 20

chlorophylls

Answer 20

absorb red and blue light, they also reflect and transmit green light

Question 21

carotenoids

Answer 21

absorb blue and green light, reflect and transmit yellow, orange, and red light

Question 22

absorption spectrum

Answer 22

plot of the wavelength of light absorbed by the pigment

Question 23

who worked out the rules of inheritance through a series of experiments on garden peas

Answer 23

mendel

Question 24

an individuals observable feautres comprise its what

Answer 24

phenotype

Question 25

what organisms do photosynthesis

Answer 25

plants, fungi, algae, some bacteria

Question 26

photosynthesis is a set of what reactions where what energy is converted to chemical

Answer 26

chemical reactions, light

Question 27

where does photosynthesis occur

Answer 27

it occurs in the cells: mesophyll, epidermal, and vascular cells have chlorophyll which turns green and is where we see photosynthesis

Question 28

chlorophyll

Answer 28

reflects green light, absorbs red and blue light

Question 29

carotenoids

Answer 29

absorb blue and green light, reflect yellow, orange, and light

Question 30

action spectrum

Answer 30

the rate of photosynthesis at each wavelength

Question 31

fluorescence

Answer 31

occurs when electrons emit light as it falls back into the ground state

Question 32

photosystem

Answer 32

when chlorophyll molecules work together in groups, two major elements: antenna complex and reaction center

Question 33

in antenna complexes energy is typically transferred among pigment molecules by

Answer 33

resonance, transfer process which energy absorbed by the one pigment molecule is transferred to an adjacent pigment molecule without the emission of a photon

Question 34

reaction center

Answer 34

1) drop back down to a low energy state causing flouresence 2) drop back down to a low energy state, releasing heat 3) excite an electron in a nearby pigment which induces resonance 4) be transferred to an electron acceptor in a redox reaction

Question 35

photophosphorlyation

Answer 35

energy to make ATP comes from light energy

Question 36

calvin cycle three phases

Answer 36

fixation, reduction, regenration

Question 37

fixation

Answer 37

CO2 reacts with 5-carbon compound called ribulose bisphophate (RuBP)

Question 38

reduction

Answer 38

the 3PGA are phosphorylated by ATP and reduced by NADPH, producing G3P

Question 39

Regeneration

Answer 39

the remaining G3P is used in reactions that use ATP to regenerate RuBP

Question 40

stomata

Answer 40

pores in plants