biology chapter 7: photosynthesis

Question 1

autotroph

auto = automatic

Answer 1

they make their own food (glucose: C6H12O6)
Base of the foodchain: provides glucose for everyone else.

Question 2

heterotroph

Answer 2

consume food for their energy (they cant make their own food)

Question 3

photosynthesis occurs where?

Answer 3

Chloroplasts

Question 4

what are chloroplasts?

Answer 4

the plate (in the pancake scenario)
green bean lookin things with the pancake lookin stacks inside

Question 5

Thylakoid

Answer 5

the green pancakes (in the pancake scenario)

Question 6

stroma

Answer 6

thick fluid
(the syrup for the pancakes)

Question 7

phloropyll

Answer 7

light-absorbing pigment
(the food dye put in the pancake to make it green)

Question 8

photsynthesis equation

Answer 8

6CO2 + 6H2O –> C6H12O6 + 6O2

Question 9

photosynthesis reactants

Answer 9

6CO2 and 6H2O
(Carbon Dioxide and Water)

Question 10

photosynthesis yeild (the arrow)

Answer 10

light energy

Question 11

photosynthesis products

Answer 11

C6H12O6 and 6O2
(glucose and oxygen)

Question 12

in a redox reaction, when is Hydrogen being gained?

Answer 12

in reductions
CO2 –> C6H12O2
(carbon dioxide turned into glucose)

Question 13

in a redox reaction, when is hydrogen being lost?

Answer 13

oxidation
H2O –> O2
(water is being turned into oxygen)

Question 14

two stages of photosynthesis

Answer 14

light reaction and Calvin Cycle

Question 15

stage one: light reaction

location, what comes in, and what comes out?

Answer 15

locations: thylakoid (pancakes)
whats going in: light energy and water (through stroma/pores)
whats going out: oxygen

Question 16

stage two: Calvin Cycle: (the dark reaction)

location, whats going in, and what’s going out?

Answer 16

location: stroma (the syrup)
whats going in: carbon dioxide (reactant)
whats going out: glucose (product)

Question 17

absorption of light

visible light

what nanometers

Answer 17

380-750 nanometers (the whole rainbow)
all colors are being absorbed
we see green in photosynthesis b/c it’s being reflected.

Question 18

types of plants

Answer 18

C3, C4, and CAM

Question 19

C3 plants

Answer 19

drop in CO2
rise in O2
stromata (pores) open or closed

Question 20

C4 plants

Answer 20

Closed stomata during the day due to heat
open during the night b/c it’s cooler
reactions happen MOSTLY at night

Question 21

CAM plants

Answer 21

same as C4, but reactions happening ALL at night, not just mostly.