In DNA replication, DNA polymerase catalyzes the reaction in which O a phosphate group is added to the 3'-carbon or 5'-carbon of ribose
O a nucleotide with a base complimentary to the base on the template strand is added to the new DNA strand
O the double helix unwinds
O the two nucleotide strands come together and intertwine to form a double helix

answerconditioned response;

answer: d. load

a river's load refers to the natural phenomena in which the sediments, rocks   stones, boulders and other deposits are removed and picked from the bottom bed of the river due to the abrasion resulted by the high speed water current.

the right answer is mentionned in the picture.

mitosis consists of dividing a mother cell into two daughter cells. unlike meiosis, mitosis is unsexed. there's four phases in mitosis: prophase, metaphase, anaphase and telophase (each phase is represented in the picture).

mitosis or cell division allows to multiply the number of cells while preserving the quantity and the quality of the information contained in the chromosomes. the course of mitosis depends on very precise mechanisms. these mechanisms are universal, that is to say common, with a few details, to all eukaryotic organisms, animals and plants.