BIO 111L: photosynthesis

Question 0

How are the molecules in food held together?

Answer 0

Chemical bonds and are converted to energy when broken

Question 1

What is food composed of?

Answer 1

Proteins, carbs, fats

Question 2

What does the plant form when presented with sunlight, water, and co2?

Answer 2

Sugar

Question 3

Photosynthesis definition

Answer 3

light energy into chemical energy

Question 4

Where does photosynthesis occur?

Answer 4

Chloroplasts

Question 5

What % of light is absorbed?

Answer 5

1%. The rest becomes heat

Question 6

Equation for photosynthesis

Answer 6

6 CO2+ 12 H20 –>

C6 H12 O6 + 6 H20 + 6 O2

Question 7

Where does the oxygen and water go?

Answer 7

Released into environment by tiny openings in leaves

Question 8

Cellular respiration definition

Answer 8

Plant and animal cells take sugar and oxygen from photosynthesis and convert it to energy (ATP)

-occurs in mitochondria

Question 9

Cellular respiration equation

Answer 9

C6 H12 O6 + 6 O2–>

6 CO2 + 6 H20 + 36ATP + heat

Question 10

Can plants influence weather?

Answer 10

Yes

Question 11

Plant goals

Answer 11

Maximize sunlight

Minimize water loss

Question 12

Plant stems

Answer 12

Height advantage

Store nutrients

Question 13

Plant roots

Answer 13

Absorb water and nutrients

Provide anchorage

Question 14

Plant leaves

Answer 14

Photosynthesis
Gas exchange (stomates)

Question 15

Photosynthetic pigments

Answer 15

Absorb specific wavelengths of light

Question 16

What colors do chlorophyll a & b absorb?

Answer 16

Violet, blue, red

Question 17

Accessory pigments

Answer 17

Extend wavelength absorbed during photosynthesis

Question 18

Paper chromatography

Answer 18

Separates and identifies photosynthetic pigments.

• size and weight
• solubility
• affinity to paper fibers

Question 19

Stomata

Answer 19

Where CO2 enters and water exits plant.

Stomata regulates amount of water and co2 taken in with help of guard cells

Question 20

Phenol red/ pH indicator color meanings

Answer 20

Red=basic

Yellow=acidic