Examine the diagram below. The pieces labeled A and T are nitrogenous bases known as adenine and thymine. What kind of macromolecule is this?
A) Nucleic acid. B)protein. C) lipid D) fatty acid

Will give brainliest

Which is one example of a phenotypic change that is not genetic

The ruiz family is exchanging euros for us dollars. the exchange rate is 1 euro equals 1.35261 usd. since the ruiz family knows that usd are stated to the nearest hundredth of a dollar, they used the conversion ratio

Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.