Download Exam #3 Study Guide

STUDY GUIDE EXAM #3
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Frameshift mutations may be caused by
A specific gene is always found on only one strand of the DNA double helix. The strand that is not being
transcribed into mRNA is called the:
Which of the following could have a role in the reason that few mistakes occur in the process of DNA
replication?
Finish this statement: “When genetic information goes through the process of translation
The site where RNA polymerase attaches to the DNA molecule to start the formation of an RNA molecule is
called a(n)
A retrovirus such as HIV is distinctive in that it contains
An important role of DNA polymerase is
Nucleotides making up mature mRNA and specifying the sequence of amino acids in a polypeptide are
called
Which of the following would be a role or roles of a ribosome?
Which of the following occurs inside the nucleus of a cell as opposed to the cytoplasm of the cell?
The site on the ribosome where the initiator tRNA matches up with the start codon is called the
Which of the following is part of the structure of a DNA Nucleotide?
What happens during the process of elongation?
14. Match the function with the correct term.
a. DNA Helicase
b. DNA Ligase
c. RNA Polymerase
d. DNA Polymerase
15. Draw a representation of the structure of a double stranded
showing how all the nucleotides fit together.
DNA
helix
(12)
a) make the double helix four nucleotides long on each strand.
b) on one nucleotide, number all the carbons on the ribose sugar and
show which carbon is connected to the phosphorous in forming the DNA
polymer and the carbon connecting the sugar to the nitrogenous base.
16. Using the following DNA sequences representing the coding strand and the
attached table, answer the following questions related to Cystic
Fibrosis.
(7)
first
base
U
C
A
second base
U
UUU = phe
UUC = phe
UUA = leu
UUG = leu
CUU = leu
CUC = leu
CUA = leu
CUG = leu
AUU = ile
AUC = ile
AUA = ile
AUG = met*
G
GUU = val
GUC = val
GUA = val
GUG = val
third
base
C
UCU = ser
UCC = ser
UCA = ser
UCG = ser
CCU = pro
CCC = pro
CCA = pro
CCG = pro
ACU = thr
ACC = thr
ACA = thr
ACG = thr
A
UAU = tyr
UAC = tyr
UAA = stop
UAG = stop
CAU = his
CAC = his
CAA = gln
CAG = gln
AAU = asn
AAC = asn
AAA = lys
AAG = lys
G
UGU = cys
UGC = cys
UGA = stop
UGG = trp
CGU = arg
CGC = arg
CGA = arg
CGG = arg
AGU = ser
AGC = ser
AGA = arg
AGG = arg
U
C
A
G
U
C
A
G
U
C
A
G
GCU = ala
GCC = ala
GCA = ala
GCG = ala
GAU = asp
GAC = asp
GAA = glu
GAG = glu
GGU = gly
GGC = gly
GGA = gly
GGG = gly
U
C
A
G