What is one way transgenic organisms are used? A.
as a tool for breeding

B.
in the identification of invasive species

C.
in cataloging endangered species

D.
in the production of human insulin

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species

What is the role of dna ligase in the elongation of the lagging strand during dna replication?