Structure Puzzle

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Match each macromolecule with its structure, as in A

A    bacteriophage                2
B    photosystem                  ?
C    antibody                     ?
D    pepsin                       ?
E    collagen                     ?
F    restriction enzyme           ?
G    alcohol dehydrogenase        ?
H    DNA                          ?
I    myoglobin                    ?
J    cytochrome oxidase           ?
K    insulin                      ?
L    rubisco                      ?
M    glycogen phosphorylase       ?
N    nucleosome                   ?
O    tRNA                         ?
P    actin                        ?
Q    lysozyme                     ?
R    rhinovirus                   ?
S    DNA polymerase               ?
T    myosin                       ?
U    HIV-1 protease               ?
V    aminoacyl-tRNA synthetase    ?
W    cyclooxygenase               ?
X    ribosome                     ?


The images come from the PDB site Molecule of the Month by David S. Goodsell
Last update: December 16, 2001