tengo que realizar un verdadero o falso con justificaciones si son falsas o verdaderas pero tengo dudas con las siguientes 3 afirmaciones:
1.las glandulas endocrinas producen una sustancia quimica que son vertidas en un lugar especifico.
2.dos glandulas participan en la regulacion de calcemia.
3.las hormonas troficas son producidas por una glandula endocrina y actuan en otras glandulas endocrinas

During a hot day, warm and moist air rises and cools in the atmosphere. which even would occur next on such a day? a. condensed droplets would gather to become water vapor. b. water vapor would condense into tiny droplets. c. water droplets would evaporate to form rain and snow.

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?