Which of the following is false about purine and pyrimidine bases?
A. They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cell
B. At acidic or alkaline pH the bases become charged and their solubility in water increases
C. Purines have two rings in their structure, but pyrimidine bases have only one ring
D. At acidic or alkaline pH the bases become charged and their solubility in water decreases
Answer:D
Which of the following is false about purine and pyrimidine bases?
A. They are hydrophobic and relatively insoluble in water at the near-neutral pH of the cell B. At acidic or alkaline pH the bases become charged and their solubility in water increases C. Purines have two rings in their structure, but pyrimidine bases have only one ring D. At acidic or alkaline pH the bases become charged and their solubility in water decreases