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?

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?

Which is the correct formula for photosynthesis