Answer:
D) In DNA, adenine, thymine, guanine, and cytosine join together and carry all of the genetic information. RNA is made from adenine, uracil, cytosine, and guanine and is used to make proteins.
B: between a nonmetal and a metal.
Answer:
Proteins is a macromolecule that helps to send signals
Answer:
friction
Explanation:
t
rubbing hands together causes hea