Gfp tagging is a commonly used method to label cells for visualization by fluorescence microscopy. which of the following statement is most correct?

a) the gfp tag can be visualized only in fixed cells

b) the gfp tag can only be placed on the n-terminus of a protein

c) the gfp tag can attach to the phospholipids of any membrane

d) the gfp tag allows for visualizing the dynamic behavior of a protein by live imaging

e) the gfp tag disrupts the function of the protein to which it is attached

2) which of the following statements describes a correct fact about cytoskeletal filaments?

a) each filament is made up of covalently bound subunits

b) the three cytoskeletal fibers are functionally redundant

c) all three fibers are made up of proteins from the same protein family

d) all three fibers are nucleated at the centrosome (mtoc)

e) all three fibers are assembled from monomeric or dimeric building blocks