The most appropriate answer is D !!
All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells. Unlike bacteria, most viruses do cause disease, and they're quite specific about the cells they attack.
to examine or explain things
Answer:
Nucleic Acids
Explanation:
Nucleic acids are made out of nucleotides and they come in two forms: Deoxyribonucleic Acid (DNA) and Ribonucleic Acid (RNA). DNA holds the code of life, in other words, it holds the code for making proteins that are essential in building cells, tissues, and organs. DNA is found in the nucleus of a cell.
