Download (pt=2) Define photosynthesis

Name ______________________________________
FES 100 - Introduction to Forest Biology
Exam 2: 100 points October 31, 2008
For short answer questions, be brief; full sentences are not necessary. Point value for each question is in
parentheses. If a question is not clear to you, please ask for clarification.
Write your name on this page now!!!!!!
1.
(pt=2)
Define photosynthesis:
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2.
(pt=5)
Make a sketch of a chloroplast, grana, thylakoid
3.
(pt=1)
What is one difference between NADPH and NADH:
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4.
(pt=1)
C4 and CAM plants are better adapted to what kind of environment when compared to C3
plants? ___________________________________________________________________________
5.
(pt=4)
What are 2 similarities between Photosystem I and Photosystem II:
a)______________________________________________________________________________
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b)______________________________________________________________________________
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6.
(pt=2)
Describe the role of oxygen (O2) in photosynthesis:
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7.
(pt=7)
C
D
A
B
E
G
F
What are the labels for
A)_____________
B)_____________
E)_____________
F)_____________
C)_____________
G)_____________
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D)_____________
8.
(pt=4)
What are sources of energy in the light reactions of photosynthesis (list at least 3)
a)______________________________________________________________________________
b)______________________________________________________________________________
c)______________________________________________________________________________
9.
(pt=5)
How does electrons get stored on carbon dioxide? Use the terms RuBP, Rubisco, PGA,
G3P, ATP, NADPH
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10. (pt=4)
Explain what happens in glycolysis using the terms glucose, G3P, ATP, NAD+, NADH,
pyruvate:
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11. (pt=2)
Why is it important for the mitochondria to have a double membrane?
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12. (pt=4)
A
What’s the name of the process (A) illustrated above? ______________________________
What happens to the NADH?______________________________________________________
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What happens to the CO2?__________________________________________________________
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13. (pt=4)
What are two differences between DNA and RNA?
a)______________________________________________________________________________
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b)______________________________________________________________________________
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14. (pt=4)
What is it about the DNA molecule that makes mistakes very rare? (2 major reasons)
a)______________________________________________________________________________
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b)______________________________________________________________________________
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15. (pt=1)
In which phase does DNA replication occur in the cell cycle?
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16. (pt=3)
What is one phase of mitosis (term or sketch): _______________________
Speculate why you think this phase evolved the way it did:
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17. (pt=3)
What is another phase of mitosis (term or sketch): _______________________
Speculate why you think this phase evolved the way it did:
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18. (pt=2)
What is the one gene – one enzyme (polypeptide) hypothesis?
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19. (pt=6)
A
B
D
C
What is A_______________
B_____________________
C__________________
Going from A to B is called:___ ____________________________________________________
Going from B to C is called ________________________________________________________
What is D called?___________________________________
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20. (pt=6)
A
B
C
What are 2 primary structures seen in A? a) _________________ b) ___________________
If the codon in A is GCA, what is the anit-codon? _____________ What is the amino acid?_________
What is the primary process seen in B?
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21. (pt=3)
Sexual reproduction always requires a (diploid
haploid – circle one) cell
becoming a ______________ cell after _______________________ and then becoming a
_________________ cell after __________________
22. (pt=5)
Make a sketch of crossing-over and label chromosome, homologous chromosome,
centromere, tetrad, chromatid.
23. (pt=3)
Make a sketch of anaphase I in meiosis showing 3 chromosomes. Be sure to show the
proper number of chromatids per chromosome.
24. (pt=3)
What’s the relationship between the Law of Independent Assortment and Meiosis?
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25. (pt=3)
A pea plant having purple flowers is pollinated with pollen from another pea plant having
purple flowers. 25% of the seed produced by this cross produces pea plants with white flowers. What can
you conclude about the genetic make-up of the parent plants in relation to flower color?
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26. (pt=3)
What’s the relationship between level of taxonomic classification (Kingdom=high;
species=low) and a common ancestor?
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27. (pt=3)
Make a sketch of a virus. Label its 2 key structures:
28. (pt=3)
How does a bacterium differ from a virus?
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29. (pt=2)
What do viruses, bacteria, and Protista all have in common?
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30. (pt=1)
What is one important role of bacteria in the food web:
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31. (pt=1)
What is one example of a Protista that you can find in the woods:
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