The double helix is a description of the molecular shape of a double-stranded DNA molecule. In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they called a "double helix," in the journal Nature.
the answer would be D!;
every object attracts every other object in the universe, with a force that increases as the objects' masses increase and the distance between them decreases.
Harweda cares for the bird and begins thinking about its comfort as well as his own.
Answer:
adenine is the correct answer for first
Where’s the diagram picture I won’t be able to answer if I’m not sure