Nuclear envelope forms at each pole, spindle dissolves, chromosome uncoil occur during?

Can result as a complication of diabetes due to damage to the arterial walls and excess fat in the blood.

Which muscle cell structure stores calcium ions that are used to trigger the contraction?

According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this?               a.  this implies that dna and proteins aren't essential in cells today.    b.  this implies that rna can catalyze any chemical reaction that enzymes catalyze.    c.  this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna.    d.  this implies that dna and proteins evolved after rna.