The principal enzyme involved in dna replication is because it joins individual nucleotides to produce a dna molecule.

Name the following: (a) category of pathogen that causes diseases, like common cold and mumps. (b) the microorganism that requires a host to produce.

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

This is collection of data made by comparing objects in standard units. in science, the units are metric.