The arrow points to the size of your favorite protein (YFP). How can you show that the bands larger than YFP represent polyubiquitylated forms of YFP?
a) Larger bands represent degraded forms of yfp.
b) Larger bands indicate a higher concentration of yfp.
c) Bands larger than yfp suggest polyubiquitylated forms.
d) Larger bands are unrelated to polyubiquitylation of yfp.