Chromosomes form during what part of the cell cycle?

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?

The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids