biology lab week 9 lab module
A wavelength of 580 nm is in the visible light range of the electromagnetic spectrum. What color is light at 580 nm?
yellow
Which of the following plant pigments would absorb light at 440 nm? Check all that apply.
chlorophyll a
beta carotene
Spinach leaves contain the pigment chlorophyll a.
True
A wavelength of 620 nm is in the visible light range of the electromagnetic spectrum. What color is light at 620 nm?
red
A wavelength of 640 nm is in the visible light range of the electromagnetic spectrum. What color is light at 640 nm?
red
A wavelength of 660 nm is in the visible light range of the electromagnetic spectrum. What color is light at 660 nm?
red
Which of the following plant pigments absorb light at 400 nm?
chlorophyll a
Distilled water is _____________ to the Elodea leaf.
hypotonic
A wavelength of 560 nm is in the visible light range of the electromagnetic spectrum. What color is light at 560 nm
green
Which of the following plant pigments absorbs light at 700 nm?
Answers:
None of these pigments absorb light at 700 nm.
chlorphyll a
chlorphyll b
beta carotene
phycocyanin
phycoerythrin
None of these pigments absorb light at 700 nm.
A wavelength of 540 nm is in the visible light range of the electromagnetic spectrum. What color is light at 540 nm?
green
A wavelength of 500 nm is in the visible light range of the electromagnetic spectrum. What color is light at 500 nm?
green
Which of the following plant pigments would absorb light at 420 nm. Check all that apply.
beta carotene
Which of the following plant pigments absorbs light at 500 nm?
beta carotene
Which of the following plant pigments absorbs light at 560 nm? check all that apply.
phycoerythrin
phycocyanin
The photosystems and their associated electron transport chains are located where?
on the thylakoid membrane
A wavelength of 700 nm is in the visible light range of the electromagnetic spectrum. What color is light at 700 nm?
red
Which of the following plant pigments absorbs light at 520 nm?
phycoerythrin
When the Elodea leaf was put into 3% NaCl, what happened to the cells?
.
The cells decreased in size.
A solution of 0.85% saline (NaCl) is _______________ to the elodea leaf.
isotonic
A wavelength of 460 nm is in the visible light range of the electromagnetic spectrum. What color is light at 460 nm?
blue
When the Elodea leaf was exposed to 0.85% saline (physiological saline), what happened to the leaf?
There was no effect on the leaf.
A wavelength of 440 nm is in the visible light range of the electromagnetic spectrum. What color is light at 440 nm?
indigo
Which of the following plant pigments absorbs light at 480 nm?
beta carotene
Which of the following plant pigments absorbs light at 640 nm? check all that apply.
phycocyanin
chlorophyll b
chlorphyll a
The types of light most often reflected by green leaves is:
green light
Spinach leaves contain the pigment, beta carotene?
: True
Which of the following plant pigments absorbs light at 580 nm? check all that apply.
phycocyanin
phycoerythrin
Which of the following plant pigments absorb light at 460 nm? Check all that apply.
chlorophyll a
beta carotene
A wavelength of 680 nm is in the visible light range of the electromagnetic spectrum. What color is light at 680 nm?
red
Which of the following plant pigments absorbs light at 620 nm?
phycocyanin
To create the membrane potential that drives photooxidation, protons are pumped:
into the thylakoid lumen
A wavelength of 600 nm is in the visible light range of the electromagnetic spectrum. What color is light at 600 nm?
orange
Spinach leaves contain chlorophyll b.
True
A wavelength of 480 nm is in the visible light range of the electromagnetic spectrum. What color is light at 480 nm?
blue
A wavelength of 420 nm is in the visible light range of the electromagnetic spectrum. What color is light at 420 nm?
violet
Which of the following plant pigments absorbs light at 600 nm?
phycocyanin
3 % NaCl is _________________ to the elodea leaf.
hypertonic
When the Elodea leaf was put in distilled water, what did you see under the microscope?
The cell looked enlarged.
Which of the following plant pigments absorbs light at 540 nm? Check all that apply.
phycoerythrin
phycocyanin
A wavelength of 400 nm is in the visible light range of the electromagnetic spectrum. What color is light at 400 nm?
violet
A wavelength of 520 nm is in the visible light range of the electromagnetic spectrum. What color is light at 520 nm?
green