Regarding the structure of DNA, which of the following joins deoxyribose to phosphate?
A) Covalent bonds
B) Hydrogen bonds
C) Ionic bonds
D) Double helix
E) Phosphate
A
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Which of the following is the most common systemic fungal disease in the United States?
A) cryptococcosis B) coccidioidomycosis C) histoplasmosis D) Pneumocystis pneumonia
Amnesia is common after surgery due to the drugs used to anesthetize the patient. Which brain region is most affected
by these drugs to cause this symptom?
a. brain stem b. Broca's area c. limbic association cortex d. prefrontal association cortex e. parietal-tempora-occipital association cortex
The most accurate nucleotide base composition of the DNA double helix is
A. A=U B. G=A C. T=C D. T+G=A+C E. T+A=C+G
The evolution of conducting tubes (sieve tubes) in land plants and aquatic brown algae is an example of
A. homoplasy caused by convergence. B. homoplasy caused by evolutionary reversal. C. homoplasy caused by common descent. D. homology caused by convergence. E. homology caused by common descent.