quiz 4

Question 1

where in the plant does photosynthesis occur?

Answer 1

chloroplast

Question 2

what are the reactants and products of photosynthesis? How do the reactants get in the plant?

Answer 2

Reactants- H2O and CO2
Products- O2, sunlight and C6H12O6 (glucose)
CO2 gets in through the stomata, sunlight through chloroplasts, and water through the leaves

Question 3

Which colors do chlorophyll a and b absorb and which do they reflect?

Answer 3

Chlorophyll a absorbs light in the blue-violet region, chlorophyll b absorbs red-blue light, and both a and b reflect green light (which is why chlorophyll appears green).

Question 4

do small pigments or larger pigments travel faster on a chromatography strip? Will the small pigments be on the bottom or top?

Answer 4

small pigments travel faster and will be on the top

Question 5

understand the results from all 3 experiments and review answers from lab

Question 6

factors for separation of pigments on chromatography paper

Answer 6

Molecular size, solubility and affinity (stickiness to paper)

Question 7

Wavelengths

Answer 7

shorter wavelengths have more energy (x-rays and gamma rays)
Longer wavelengths have less energy and are not as damaging (microwave)