Qué significa la unidireccionalidad en la conducción del impulso nervioso en la sinapsis

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Explain the side effects of cancer treatments

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle