Which of the following is the first principle of cell theory?

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

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

What is the process of pulling apart an n2 molecule nevermind i got it