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Bio chapter 8
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Where is the chlorophyll located ina plant?
a.Cristae
b.Plasma membrane of the cell
c.Outer membrane of the chloroplast
d.Thylakoid membrane
e.Stroma
d thylakoid membrane
A particle of light is a____.
a. wave
b Grana
c. Photon
d. Proton
e. Newton
C. photon
Visible light has wavelengths from ___ nm- ___ nm
350-750
When light hits matter, it can be
reflected
absorbed
transmitted
Chlorophyll absorbs ___ and ___ light
red and blue
Excited electrons are usually unstable and emit energy as
light
heat
Measure light with...
Spectrophotometer
The action spectrum gives a more accurate picture of what is going on than just the...
absorption spectrum, how much photosynthesis is produced
Photoexcitation of Chlorophyll
When a molecule absorbes a photon, the molecule's electron is...
shifted to a higher orbital ( more potential energy)
A photon can be absorbed ___ if its energy is ____ the
same
as the energy it takes for the e- to go from ground state to excited state
only, exactly
Where is the chlorophyll located in a plant?
A. cristae
B. outer membrane of the chlorplast
C. plasma membrane
D. stroma
E. thylakoid membrane
E. thylakoid membrane
Atrazine is a chemical that blocks the electron from leaving photosystem II. What would be the immediate effect on the plant?
A. Prevent photon absorption
B. Blocks electron harvesting from water
C. Prevents ATP synthesis
D. Blocks carbon dioxide absorption
E. None of the above
B. blocks electron harvesting from water
Where Is the oxygen produced during photosynthesis?
A. on the cristae
B. in the thylakoid
C. between the chlorophyll membrane
D. in the matrix
E. in the sroma
B. In the thylakoid
What is the function of Rubisco?
A. harvesting electrons from water
B. chemiosmosis
C. absorption of photon energy
D. carbon fixation
E. reduction of NADP+
D. Carbon fixation
Author
BEM
ID
240739
Card Set
Bio chapter 8
Description
chapter 8
Updated
2013-10-15T13:33:51Z
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