Earth is the only planet in our solar system that we know supports life. Describe two characteristics that make Earth unique. Choose one other planet and explain why it cannot sustain life.

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.

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

How are mitosis and meiosis similar?