What is the purpose of phosphorous in a DNA strand?
A)Linking the nucleotides into a strand
B)Holding complementary strands together
C)Ensuring that a purine is always paired with a pyrimidine
D)Preventing the separation of double-stranded DNA into single-stranded DNA

Question

Quizplus · Accepted Answer

Each nucleoside becomes a complete nucleotide when a phosphate group is attached. The phosphates have multiple binding sites, and each one can link to two nucleotides. These linkages allow the nucleotides to be connected when placed into the DNA strand. The nucleotides within each strand are held in position by the linked phosphate groups, which act like the string holding a strand of beads together, forming a necklace.

What Is the Purpose of Phosphorous in a DNA Strand