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