What are the similarities between DNA and RNA molecules? Both are linear nucleotide molecules with nitrogenous bases perpendicular to the sugar-phosphate backbone.
Both are double stranded molecules with nitrogenous bases and ribose sugar backbone.
Both are linear nucleotides with the same nitrogenous bases.
Both are linear single stranded molecules and contain sugar-phosphate backbone.

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.