Which of the following cells shows the presence of a nucleus? a.)prokaryotic cell b.)eukaryotic cell c.)both prokaryotic and eukaryotic cell nextreset

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

Give an example of a trait that is controlled by more than one gene.