( ): The natural coiled conformation of two complementary, antiparallel DNA chains.
举一反三
- The B form DNA is the only natural conformation of DNA.()
- The A form and Z form DNA are not the natural conformation of DNA.
- Listen to two sentences. Is it "complimentary" or "complementary"? Tick the right box. A: complementary B: complimentary
- What does she plan to do in the future A: set up new chains in other countries. B: sell to supermarket and restaurant chains. C: develop a chain of restaurants.
- other natural disasters in the two countries