Photosynthesis

Question 1

the process by which plant, some bacteria, and some protists use the energy from sunlight to produce sugar

Answer 1

Photosynthesis

Question 2

sugar is converted into ATP

Answer 2

Cellular Respiration

Question 3

means light

Answer 3

photo

Question 4

building of complex substances from simpler substance

Answer 4

synthesis

Question 5

raw materials needed by plants to perform photosynthesis

Answer 5

carbon dioxide & water

Question 6

green pigment associated with the conversion of unusable sunlight energy into usable chemical energy

Answer 6

Chlorophyll

Question 7

light connecting units that gets excited when there’s sunlight

Answer 7

Chlorophyll

Question 8

responsible for water absorption

Answer 8

roots

Question 9

Plant cell: ________; animal: ___________

Answer 9

chloroplast; mitochondrion

Question 10

the only photosynthetic organisms to have leaves

Answer 10

Plants

Question 11

vascular tissue of plants which transports water and minerals from the roots up the plant stem and into the leaves

Answer 11

Xylem

Question 12

specialized structures that has guard cells that close when it’s too hot to avoid evaporation of water and drying out of a plant; flanked by two guard cells

Answer 12

Stomata

Question 13

drying out of a living organism

Answer 13

Dessiccation

Question 14

drying out of a living organism

Answer 14

Dessiccation

Question 15

evaporation of water vapor in plants

Answer 15

Transpiration

Question 16

plants close their stomata to save water, lack of water from too much exposure to sunlight

Answer 16

Photorespiration

Question 17

the protective waxy layer covering the leaf

Answer 17

cuticle

Question 18

too much water

Answer 18

water toxicity

Question 19

site where photochemical and biochemical reactions in the whole process of photosynthesis to occur

Answer 19

Chloroplasts

Question 20

components of chloroplasts

Answer 20

• reductants
• ATP produced in the light trapping phase
• green pigment, chlorophyll, for energy capture
• soluble enzymes for carbon metabolism

Question 21

an organelle that performs photosynthesis

Answer 21

Chloroplasts

Question 22

one photosynthetic cell has how many chloroplasts?

Answer 22

30-50 chloroplasts

Question 23

structures of chloroplasts

Answer 23

• thylakoid
• grana
• stroma

Question 24

the structural unit of photosynthesis, contains light collecting photosystems with chlorophyll

Answer 24

Thylakoid

Question 25

stacks of thylakoids, disc-shaped sacs of membrane

Answer 25

Grana

Question 26

gel-like material that lies between grana in the chloroplasts

Answer 26

Stroma

Question 27

any substance that absorbs light; the color comes from the wavelengths of light reflected

Answer 27

Pigment

Question 28

the green pigment common to all photosynthetic cells

Answer 28

Chlorophyll

Question 29

absorbs all wavelengths of visible light except green

Answer 29

Chlorophyll

Question 30

events happen if a pigment absorbs light energy

Answer 30

1. Energy is dissipated as heat 2. The energy may be emitted immediately as a longer wavelength (fluorescence) 3. Energy may trigger a chemical reaction as in photosynthesis

Question 31

most abundant and most important in photosynthesis; found in all photosynthetic organisms (plants, protists, bacteria)

Answer 31

chlorophyll a

Question 32

present in green algae, bryophytes and tracheophytes

Answer 32

chlorophyll b

Question 33

present in diatoms and brown algae

Answer 33

chlorophyll c

Question 34

present in red algae

Answer 34

chlorophyll d

Question 35

one small part of the electromagnetic spectrum

Answer 35

visible light

Question 36

composition of chlorophyll

Answer 36

porphyrin head & phytol tail

Question 37

absence of color; absorbed all the visible light

Answer 37

black

Question 38

presence of all the color; reflected all the visible light

Answer 38

white

Question 39

Phases of Photosynthesis

Answer 39

* Light-Reaction Phase * Dark-Reaction Phase

Question 40

first stage of photosynthesis

Answer 40

Light-Reaction Phase

Question 41

Where does light reactions occur?

Answer 41

Grana

Question 42

The series of photosynthesis wherein water is split into hydrogen and oxygen, and the reaction is rapid and requires direct sunlight and chlorophyll.

Answer 42

Light-Reaction Phase

Question 43

the process of converting energy from a light – excited into the pyrophosphate bond of an ADP molecule

Answer 43

Photophosphorylation

Question 44

product of Cyclic Photophosphorylation

Answer 44

ATP - Adenosine Tri-Phosphate

Question 45

final electron acceptor in Non-Cyclic Photophosphorylation

Answer 45

NADP

Question 46

also known as Calvin Cycle

Answer 46

Dark-Reaction Phase

Question 47

discovered Dark-Reaction Phase

Answer 47

Melvin Calvin

Question 48

compounds produced in the light phase

Answer 48

ATP and NADPH2

Question 49

Steps in Dark Reaction or Calvin Cycle

Answer 49

1. CO2 Fixation 2. Production of G3P 3. Restocking of RuBP

Question 50

How many G3P are used to form glucose?

Answer 50

only 2 G3P

Question 51

the enzyme involved in photosynthesis and also the enzyme involved in the uptake of CO2

Answer 51

RUBISCO

Question 52

the CO2 is incorporated into a 3 – carbon compound

Answer 52

C3 Photosynthetic pathway

Question 53

the photosynthesis takes place throughout the leaf

Answer 53

C3 Photosynthetic pathway

Question 54

more efficient than C4 and CAM under cool and moist conditions and under normal light because requires less machinery

Answer 54

C3 Photosynthetic pathway

Question 55

the Carbon Dioxide is first incorporated into a 4 – carbon compound

Answer 55

C4 Photosynthetic pathway

Question 56

a 3-C chemical that is converted into Oxaloacetic acid, a 4-C

Answer 56

Phosphoenolpyruvate (PEP)

Question 57

converted to Malic Acid and the transported from the mesophyll into the bundle sheath

Answer 57

OAA - Oxaloacetic acid

Question 58

CO2 is stored in the form of an acid before use in photosynthesis

Answer 58

CAM Photosynthetic pathway