An infectious disease researcher isolates the pathogen responsible for an emerging disease. the microbe is grown in the lab for many generations. a preparation of the laboratory-grown microbe is treated with ionizing radiation and then tested for its potential as a vaccine. what type of vaccine is this?

People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?

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

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.