Which step happens first to a chromosome during cell division? A. Nucleotides are added to each half of a DNA molecule.
B. Two identical DNA molecules form.
C. Each half of a DNA molecule acts as a template.
D. A DNA molecule unwinds, exposing the bases on each half.

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users