Using Terms from the List Below, Fill in the Blanks

Using terms from the list below, fill in the blanks in the following brief description of the experiment with Streptococcus pneumoniae that identified which biological molecule carries heritable genetic information.Some terms may be used more than once.
$\begin{array}{lll}\text { carbohydrate } & \text { lipid } & \text { R-strain } \\\text { DNA } & \text { nonpathogenic } & \text { RNA } \\\text { identify } & \text { pathogenic } & \text { S-strain } \\\text { label } & \text { purify } & \text { transform }\end{array}$

Cell-free extracts from S-strain cells of S.pneumoniae were fractionated to __________ DNA, RNA, protein, and other cell components.Each fraction was then mixed with __________ cells of S.pneumoniae.Its ability to change these into cells with __________ properties resembling the __________ cells was tested by injecting the mixture into mice.Only the fraction containing __________ was able to __________ the __________ cells to __________ (or __________) cells that could kill mice.