Which is represented by structure Z?

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

i think its through the fallopian tube

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

b is dominant over the allele for the white fur.