During the replication process, which enzyme(s) make(s) a nick in the double-stranded DNA so that each strand separates? O DNA primase & helicase
O DNA gyrase & topolsomerase
O DNA polymerase
O DNA ligase

because the light is a great source of energy for the plants to survive. (i hope this )

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: