2015 USABO Open Exam Questions
With 100% Verified Answers
Nucleosome -
correct answer ✅DNA wrapped around 8 histone cores.
Meiosis -
correct answer ✅Cell division that produces gametes with half the
chromosome number.
Psoriasis -
correct answer ✅Skin disorder caused by increased proliferation
of skin cells.
Topoisomerase -
correct answer ✅Enzyme inhibited by a drug promoting DNA
supercoiling.
G0 Phase -
correct answer ✅Cell cycle phase where cells treated with the
drug become arrested.
Alcohol Dehydrogenase -
correct answer ✅Enzyme inhibited in yeast culture affecting
glycolysis.
, 2015 USABO Open Exam Questions
With 100% Verified Answers
C-Myc -
correct answer ✅Transcription factor promoting cell division.
Replication Inhibitor -
correct answer ✅Arrests stem cells in the middle of DNA
replication.
AZT -
correct answer ✅Zidovudine used to treat HIV by decreasing
reverse transcriptase fidelity.
Oil Immersion -
correct answer ✅Technique increasing numerical aperture for
examining bacteria.
Meiosis II -
correct answer ✅Process involving sister chromatids separation
and nuclear envelope disintegration.
With 100% Verified Answers
Nucleosome -
correct answer ✅DNA wrapped around 8 histone cores.
Meiosis -
correct answer ✅Cell division that produces gametes with half the
chromosome number.
Psoriasis -
correct answer ✅Skin disorder caused by increased proliferation
of skin cells.
Topoisomerase -
correct answer ✅Enzyme inhibited by a drug promoting DNA
supercoiling.
G0 Phase -
correct answer ✅Cell cycle phase where cells treated with the
drug become arrested.
Alcohol Dehydrogenase -
correct answer ✅Enzyme inhibited in yeast culture affecting
glycolysis.
, 2015 USABO Open Exam Questions
With 100% Verified Answers
C-Myc -
correct answer ✅Transcription factor promoting cell division.
Replication Inhibitor -
correct answer ✅Arrests stem cells in the middle of DNA
replication.
AZT -
correct answer ✅Zidovudine used to treat HIV by decreasing
reverse transcriptase fidelity.
Oil Immersion -
correct answer ✅Technique increasing numerical aperture for
examining bacteria.
Meiosis II -
correct answer ✅Process involving sister chromatids separation
and nuclear envelope disintegration.
