Drag the tiles to the correct boxes to complete the pairs. DNA consists of two strands with complementary pairs of nucleotides. Match each strand of DNA with its complement.
(if u can't see the picture just ignore this)

Which part of cellular respiration must occur before any of the other steps can occur

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

20 the main source of energy for our planet comes from the