Which of the following is NOT a classification of taxonomy? Breed

Phylum

Class

Family

What is the function of the nucleus in the euglena cells you observed?

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do

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.