What protein is like bricks stacked up like columns , giving the nerve cell its shape?

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Two critical interventions to turn around the opioid crises are:

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane