Which of the below descriptions of DNA are true? O DNA contains the hereditary material.
O DNA has 4 bases.
O DNA is shaped as a Double Helix.
O All of these are true.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Areaction in which products can react to re-form reactants is

The most common form of matter in the universe