James Watson and Francis Crick are credited with discovering the structure of DNA. Which of the following characteristics of DNA did this discovery help explain? A How DNA passes on genetic information. B The amount of DNA in a chromosome. C The number of base pairs in a DNA molecule. D Why DNA exists in all living cells.

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

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.

Drag each label to the correct location on the chart. match the function to the type of tissue