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Biology: Chps. 12-15
Test Description: Part 2
Instructions: Answer all questions to get your test result.
1) A normal human would have ________ autosomes.
A
23
B
44
C
46
D
22
2) A normal female would have these sex chromosomes.
A
XXY
B
XY
C
XYY
D
XX
3) Which of the following is NOT a way in which RNA is different from DNA.
A
single stranded
B
Uracil instead of thymine for bases
C
Different sugar (ribose instead of deoxyribose)
D
double stranded
4) Eukaryotes contain a single chromosome.
A
False
B
True
5) If a DNA sequence is ATGCCA, what would be its mRNA sequence.
A
UAGCCU
B
TACGGT
C
TAGCCT
D
UACGGU
6) Used X-ray diffraction to help reveal the structure of DNA.
A
Watson & Crick
B
Frederick Griffith
C
Oswald Avery
D
Rosalind Franklin
7) mRNA can be decoded (translated) in either direction.
A
False
B
True
8) Occurs when an organism has extra sets of chromosomes.
A
Translation
B
Polyploidy
C
Transcription
D
Mutagens
9) The Y chromosome contains more genetic information than the X chromosome.
A
False
B
True
10) If the mRNA codon if CUA what would be the tRNA anticodon?
A
GAU
B
CAU
C
GAT
D
GTT
*select an answer for all questions
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