Explain how you blush or pale depending on your situation

The nutrient facts label on a food package lists the following: iron 50%. what does this figure indicate?

What is the function of reverse transcriptase in retroviruses? a) it uses viral rna as a template for dna synthesis.b) it converts host cell rna into viral dna.c) it translates viral rna into proteins.d) it uses viral rna as a template for making complementary rna strands.

Avoiding excess salt and sodium may benefit a person’s health by