Download FES 100 - Introduction to Forest Biology Exam 2: Practice

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FES 100 Exam 2 page 1
FES 100 - Introduction to Forest Biology
Exam 2: Practice
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=3)
Write the general equation for the light reactions in photosynthesis:
2.
(pt=3)
Write the general equation for the dark reactions in photosynthesis
3.
(pt=4)
What are three similarities between photosynthesis and respiration
a)______________________________________________________________________________
______________________________________________________________________________
b)______________________________________________________________________________
______________________________________________________________________________
c)______________________________________________________________________________
______________________________________________________________________________
Page 2 FES 100 Exam 2
4.
(pt=5)
Diagram the cross section of a chloroplast and thylakoid and show where the light
reactions occur and where the dark reactions occur:
5.
(pt=2)
How is light energy converted to chemical energy in chlorophyll?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
6.
(pt=1)
What must be added to PGA to form PGAL? (1 item)
______________________________________________________________________________
7.
(pt=1)
Which enzyme fixes CO2 to Ribulose bis-phosphae?
______________________________________________________________________________
FES 100 Exam 2: Page 3
8.
(pt=4)
Make a sketch on how hydrogen ions are used in photosynthesis to make ATP
9.
(pt=1)
What is a common product in Stages I-III in aerobic respiration
______________________________________________________________________________
10. (pt=4)
What work do the electrons, those that come from glucose, perform in respiration?
______________________________________________________________________________
______________________________________________________________________________
Why is this important (1 reason)
______________________________________________________________________________
______________________________________________________________________________
11. (pt=2)
Chemically, why must there be fermentation when oxygen is not present? (1 reason)
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
Page 4 FES 100 Exam 2
12. (pt=5)
Describe or sketch the chemical process (include cell structures) in respiration that
produces the most ATP:
13. (pt=2)
Define gene:
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
14. (pt=4)
What are two characteristics of the DNA molecule and explain why this characteristic has
evolved:
a)______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
b)______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
FES 100 Exam 2: Page 5
15. (pt=2)
Why can’t DNA replication easily occur after prophase in mitosis? (1 reason)
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
16. (pt=2)
Give two reasons why mutations are so rare:
a)______________________________________________________________________________
______________________________________________________________________________
b)______________________________________________________________________________
______________________________________________________________________________
17. (pt=3)
In mRNA synthesis (transcription), where do the covalent bonds form? (made a sketch)
18.
Which RNA nucleotides will pair with the following DNA nucleotide sequence:
(pt=2)
DNA Sequence: T (Thymine) T A(Adenine) C(Cytosine) G(Guanine) G A
RNA Sequence: ______________________________________________________
19. (pt=3)
What is one hypothesis you have as to why introns/extrons evolved?:
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
Page 6 FES 100 Exam 2
20. (pt=8)
Diagram protein synthesis and label the following: ribosome, mRNA, tRNA, codon,
anti codon; polypeptide chain:
21. (pt=3)
What is one stage in mitosis _________________ What is one hypothesis you have as to
why this stage evolved?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
22.
(pt=3)
What is another stage in mitosis _________________ What is one hypothesis you have as
to why this stage evolved?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
FES 100 Exam 2: Page 7
23. (pt=2)
Indicate which nucleotides will pair-up with each other:
A
B
C
D
A pairs with ______
________ pairs with _________
24. (pt=3)
Two ways in which DNA and RNA are similar include:
a)______________________________________________________________________________
b)______________________________________________________________________________
25. (pt=4)
What are two ways in which DNA replication is similar to RNA transcription?
a)______________________________________________________________________________
______________________________________________________________________________
b)______________________________________________________________________________
______________________________________________________________________________
26. (pt=4)
Explain why an alteration in the DNA sequence can result in the cell not functioning
properly. Use the term "codon" in your answer.
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
Page 8 FES 100 Exam 2
27. (pt=5)
Which phase of mitosis is indicated by the diagram
at left: _____________________________________
What is happening during this phase (2 items)?
a)____________________________________________________
_____________________________________________________
b)____________________________________________________
_____________________________________________________
28. (pt=7)
Make a sketch of translation and protein synthesis using the following terms: mRNA,
tRNA, amino acid, polypeptide, ribosome, codon, anticodon
29. (pt=6)
There are two stages in photosynthesis. What are they, and write the basic chemical
equations for each.
a)_____________________________________________________________________________
equation: ________________________________________________________________________
b)______________________________________________________________________________
equation: ________________________________________________________________________
FES 100 Exam 2: Page 9
30. (pt=5)
Use the following diagram to answer questions a)-b)
a) Insert the proper chemicals or particles (at least 6) needed for these reactions in the appropriate place
b) What work is being done? (2 examples)
i)______________________________________________________________________________
ii)______________________________________________________________________________
Page 10 FES 100 Exam 2
31. (pt=5)
Label the following:
a) ________
b) Name of enzyme needed here
_______________________
c) ________
d) For every 3 carbon molecule that exits the
cycle, how many 3 carbon molecules must
remain in the cycle? ________________
32. (pt=4)
d) This compound can be used to produce
what (1 item)? _____________________
____
What are 2 similarities between photosynthesis and respiration in how they use energy to
produce ATP?
a)______________________________________________________________________________
______________________________________________________________________________
b)______________________________________________________________________________
______________________________________________________________________________
33. (pt=2)
What is one similarity between fermentation and aerobic respiration:
______________________________________________________________________________
______________________________________________________________________________
FES 100 Exam 2: Page 11
34. (pt=4)
Make a sketch of a mitochondria and explain why its basic structure is necessary for
aerobic respiration:
______________________________________________________________________________
______________________________________________________________________________
35. (pt=8)
Diagram the process of Meiosis I starting with interphase. Indicate when crossing over
occurs, but you don’t' need to sketch that process:
36. (pt=1)
What is one major difference between mitosis and meiosis II starting with interphase?
______________________________________________________________________________
______________________________________________________________________________
37. (pt=3)
What is a virus?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
Page 12 FES 100 Exam 2
38. (pt=3)
What is a bacterium?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
39. (pt=2)
How do protista differ from bacteria? (2 major ways)
a)______________________________________________________________________________
b)______________________________________________________________________________
40. (pt=3)
Where are potista mostly found?
______________________________________________________________________________
Why? (1 major reason)___________________________________________________________
______________________________________________________________________________