Lines of longitude
run horizontally around the globe
are used to create time zones
are each 30°
o run from the North Pole to the South Pole

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

it marks things for degradation via the proteasome. it alters there celluar location.

yes, because even though a theory has a  lot of evidence to support it, it is not always true