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Ch6 Study Guide / Review WS Biology 2005-2006
1.
Plants perform photosynthesis, which means they produce their own food,
organisms that produce their own food are called autotrophs .
2.
Photosynthesis occurs in this organelle, that is found only on plant cells.
Chloroplasts .
3.
Photosynthesis can be divided into two parts, they are Light Reaction
Calvin Cycle.
4.
Inside the chloroplast are flat membranous sacs called thylakoids .
5.
The light reaction occurs in the thylakoid membrane .
6.
The Calvin Cycle occurs in the stroma .
7.
The primary light absorbing pigment in plants is chlorophyll a , it absorbs
mostly blue & red colors of light.
8.
Accessory pigments are there to help the plant absorb light energy
the chlorophyll can not.
9.
The two main energy carrier produced by the light reaction are NADPH and
ATP, these are then used in the Calvin Cycle to change PGA into PGAL.
10.
The Calvin Cycle is also known as the Dark
11.
The three different pathways for carbon fixation are C3,
CAM .
12.
A plant that uses the CAM pathway, would most likely be found in the desert.
13.
This pathway allows plants to store CO2 as a 4 carbon compound, to be used later
in the Calvin Cycle C4
14.
These are small opening in the surface of leaves that allow for the transfer of
water and gases through the leaves, stomata
15.
One of the most important influences on a plants ability to perform photosynthesis
is light intensity .
16.
17.
The rate of photosynthesis increases as the amount of CO2 increases.
How does temperature affect the rate of photosynthesis?
&
reaction.
C4,
&
As temp. increases the rate of photosynthesis increases unto a point at which
stomata begin to close and lowered CO2 levels cause photosynthesis to slow.
18.
A series of linked chemical reactions is known as a biochemical pathway.
19.
The incorporation of CO2 into organic compounds is called carbon fixation
20.
The primary product of the Calvin Cycle is organic compounds.
21.
What is the overall balanced equation for photosynthesis?
6CO2 +6H2O  C6H12O6 + 6O2
22.
Label the structures of the chloroplast below
GRANUM
THYLAKOID
STROMA
Use the diagram above to answer the question below
23.
Label parts A – F on the diagram
A. Water Splitting Enzyme on Photosystem II
B. ET Chain
C. ET Chain
D. ATP Synthase Molecule
E. Photosystem I
F. Thylakoid Membrane
24.
What does the structure(s) labeled (B) above use the energy from electrons to do?
Protons pumped into the thylakoid membrane
25.
What is produced by the splitting of water at the structure labeled (A)
Protons(H+), electrons (e-), and oxygen (O2)
26.
What does the structure labeled (C) use the energy from the electron to do
produce NADPH
27.
What is produced by the structure labeled (D) in the diagram?
ATP
28.
A concentration gradient
is developed by the action of structure (B)
and the splitting of water by structure (A).
Also be able to fill in the major steps of the Calvin Cycle, and know what steps
require energy and what form that energy is in.
The major product of the Calvin Cycle is (are)
PGAL(G3P)  Organic Compounds