Genetics Practice Test Worksheets Page 32
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3484. Using the information given,
ll in the
89. Base your answer(s) to the following
missing DNA bases in the DNA strand for
question(s) on the information below and on
species C in the chart on the next page.
your knowledge of biology.
DNA samples were taken from three
di erent species and used to determine the
amino acid sequence for a portion of a
particular protein. The amino acids were
then compared in order to determine which
85. Using the information given,
ll in the
species were most closely related. Some of
missing mRNA bases in the mRNA strand
the information is shown on the table below.
for species B in the chart on the next page.
Species
DNA base sequence
GAC
TGA
CTC
CAC
TGA
A
mRNA base sequence
CUG
ACU
GAG
GUG
ACU
amino acid sequence
LEU
THR
VAL
Species
DNA base sequence
GAC
AGA
CTT
CAC
TGA
B
mRNA base sequence
UCU
GAA
ACU
amino acid sequence
THR
LEU
VAL
Species
DNA base sequence
GAC
TGC
CAC
CTC
AGA
C
mRNA base sequence
CUG
GUG
UCU
amino acid sequence
LEU
VAL
SER
THR
GLU
State one speci c e ect on the protein
86. Using the Universal Genetic Code Chart, ll
produced if an mRNA code is changed from
in the missing amino acids in the amino acid
AGU to AGA.
sequence for species A in the chart provided.
90. Base your answer(s) to the following
87.
Base your answer(s) to the following
question(s) on the diagram of a cell below.
question(s) on the diagram below and on
your knowledge of biology.
Identify the type of building block
represented by the letters A, B, and C.
Choose either structure 3 or structure 4,
write the number of the structure on the line
below, and describe how it aids the process
88. If the sequence of building blocks were
of protein synthesis.
changed, what e ect could it most likely
Structure:
have on the protein?
page 32
GENETICS UNIT PRACTICE TEST
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