Photosynthesis and Respiration

Question 1

Cells can use ATP for:

Answer 1

a) protein synthesis
b) movement of ions across membranes
c) thoughts in the human brain

Question 2

Oxygen Cycle

Answer 2

Producers ↑ / Consumers ↓ = homeostatic balance

Question 3

Pigments

Answer 3

colored substance that absorb certain wavelengths of light (pigments get their color by reflecting other wavelengths).

Question 4

Black

Answer 4

absorbs all wavelengths

Question 5

Chromatography

Answer 5

a) grind up plants in a solvent (acetone)
b) filter plant from solvent (chloroplasts)
c) place a drop or pigments extract on filter and allow solvent to evaporate
d) allow pigment to move up filter paper by capillary action

Question 6

Two main chloroplast pigments

Answer 6

a) green chlorophylls

b) Accessory pigments: orange, red, and carotenoids

Question 7

Lithotrophs

Answer 7

derives reductive power by oxidizing compounds such as hydrogen gas, carbon monoxide, ammonia, nitrate, hydrosulphuric acid, sulfur, sulfate, or iron