77) which of the following does not occur during mitosis? ; a) condensation of the chromosomes; b) replication of the dna; c) separation of sister chromatids; d) spindle formation; e) separation of the spindle poles

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