48. In the accompanying diagram, strands I and
50. Base your answer(s) to the following
II represent portions of a DNA molecule.
question(s) on the information and chart
Strand II would normally include
below and on your knowledge of biology.
In DNA, a sequence of three
bases is a code for the placement of a
certain amino acid in a protein chain.
The table below shows some amino
acids with their abbreviations and DNA
codes
(1) AGC
(2) TCG
(3) TAC
(4) GAT
Which amino acid chain would be produced
by the DNA base sequence below?
C-A-A-G-T-T-A-A-A-T-T-A-T-T-G-T-G-A
(1)
(2)
(3)
(4)
49. The genetic code of a DNA molecule is
determined by a speci c sequence of
(1) ATP molecules
(2) sugar molecules
(3) chemical bonds
(4) molecular bases
page 18
GENETICS UNIT PRACTICE TEST