What Technique Can Be Used to Identify a Proteins Function

Question

What technique can be used to identify a proteins function?
A) Functional protein microarray
B) Antibody microarray
C) DNA microarray
D) RNA microarray

Accepted Answer

Functional protein microarrays can be used to screen large numbers of proteins for their interactions with other molecules, thus providing insight into their function. This technique can be used to study protein-protein interactions, protein-DNA interactions, enzyme activity, and much more. Antibody microarrays can also provide information on protein function by detecting the presence of specific proteins in a sample, but they are more limited in their scope. DNA and RNA microarrays are used to study gene expression rather than protein function.