Which of the following is the most significant difference between mitosis and meiosis? A. Chromosomes are duplicated before mitosis.

B. Meiosis is not followed by cytokinesis.

C. Homologous pairs of chromosomes are split up in meiosis.

i think its the first one

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

maritime tropical may be your answer.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.