Which of these are components of DNA? Select five options.

deoxyribose sugar molecules
ribose sugar molecules
adenine
phosphate molecules
uracil
cytosine
thymine

The  answer is deoxyribose sugar molecules, adenine, phosphate molecules, cytosine, thymine

Explanation:

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.