But James Watson and Francis Crick's claim was a valid one, for they had in fact discovered the structure of DNA, the chemical that encodes instructions for building and replicating almost all ...

Beyond the ladder-like structure ... have one or more linear chromosomes, which often appear as X-shaped structures . At different times during the life cycle of a cell, the DNA that makes up ...

The diagram shows the relationship between the cell ... Each gene has a particular order of bases in the DNA, and this leads to a particular order of amino acids which create a specific protein.

But James Watson and Francis Crick's claim was a valid one, for they had in fact discovered the structure of DNA, the chemical that encodes instructions for building and replicating almost all ...