Which of the following statement(s) is/are true concerning DNA?
A. DNA is contained only in the nucleus of the cell
B. DNA strands are encoded by the sequence of four bases—adenine, guanine, cytosine and uridine
C. The basic unit of information of DNA is the intron, a sequence of three bases
D. There are an infinite number of possible codons
Answer:A
Which of the following statement(s) is/are true concerning DNA?
A. DNA is contained only in the nucleus of the cell B. DNA strands are encoded by the sequence of four bases—adenine, guanine, cytosine and uridine C. The basic unit of information of DNA is the intron, a sequence of three bases D. There are an infinite number of possible codons