Before mitosis begins, a cell makes a copy of the dna in the nucleus. what term is used to describe this process of making an exact copy of the dna?

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

In general, are there any major differences that you can see? explain