B>encodes the genetic message for the synthesis of new proteins<span>
</span>
Milkweed-Caterpillar-frog-bird
The agent that kills bacteria is called bactericidal. Bactericidal agents act directly by destroying the present bacteria. It is also different from bacteriostatic, because bacteriostatic means the inhibition of the spread and growth of bacteria only.
In the DNA, that is why they are called the building blocks of life.
B. Phosphate group, since ATP includes phosphate