Photosynthesis 1 - Chlorophyll Extraction Lab Flashcards
1
Q
independent variable
A
wavelength, light
2
Q
dependent variable
A
absorbency
3
Q
what type of reaction is photosynthesis
A
light driven reaction
4
Q
relationship between energy & wavelength
A
inverse
5
Q
what do chlorophylls absorb best
A
blue light
6
Q
what does chlorophyll A absorb best
A
red
7
Q
400-450 wavelength color
A
blue
8
Q
500-550 wavelength color
A
green
9
Q
700-750 wavelength color
A
red
10
Q
3 pigments used
A
- petroleum ether
- ethanol
- methanol
11
Q
chlorophyll in petroleum ether
A
chlorophyll A
12
Q
chlorophyll in ethanol
A
carotene
13
Q
chlorophyll in methanol
A
chlorophyll B
14
Q
density of petroleum ether
A
low density
15
Q
where was chlorophyll A stored in the test tube
A
on top bc petroleum ether had low density
16
Q
what density did methanol have
A
high denisty
17
Q
where was chlorophyll B stored in the test tube
A
on the bottom bc methanol had high density
