Which of the following correctly describes DNA? - Nucleic acid composed of amino acids
- Nucleic acid composed of nucleotides
- Protein composed of amino acids
- Protein composed of nucleotides

What are the two main phases of a cell cycle

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

Isolated volcanic peaks on the ocean floor are