Which of the following pairs of base sequences could form a short stretch of a normal double helix of DNA?
A) 5'-purine-pyrimidine-purine-pyrimidine-3' with 3'-purine-pyrimidine-purine-pyrimidine-5'
B) 5'-AGCT-3' with 5'-TCGA-3'
C) 5'-GCGC-3' with 5'-TATA-3'
D) 5'-ATGC-3' with 5'-GCAT-3'
E) All of these pairs are correct.
Answer: D
You might also like to view...
The progress of the eukaryotic cell cycle is regulated primarily by what proteins?
A. Cyclins B. Histone proteins C. Condensins D. FtsZ
In a closed circulatory system, transfers between blood and the cells of other tissues take place across:
a. capillaries b. veins c. arteries d. lymph vessels e. all blood vessels
Which population is at greatest risk for group B Streptococcus infection?
A. Post-menopausal women B. Neonates C. Pregnant women D. AIDS patients E. College age women
Where does the carbon in carbon dioxide waste originally come from in cell respiration?
A. Electron Transfer Phosphorylation B. Glycolysis C. The Krebs Cycle D. ATP Breakdown E. None of these