Answer:
d. A purine base forms hydrogen bonds to pair with a pyrimidine base located on the opposite DNA strand. Specifically, A pairs with T, and C pairs with G.
Explanation:
Might be Cell Differentiation...
He found sea fossils high on the mountain, evidence that continents and oceans had changed over time
Answer:
Several examples of sphere interactions can be inferred from this photograph: Humans (biosphere) built a dam out of rock materials (geosphere). Water in the lake (hydrosphere) seeps into the cliff walls behind the dam, becoming groundwater (geosphere), or evaporating into the air (atmosphere).
Explanation:
I hope this helps:)