The lipid bilayer is sandwiched between 2 layers of protein SHOULD be the right answer
It differs due to the life cycle of each tree, and the very specific way the trees go.
The link where the action
potential of the nerve that meets muscle and causes it to contraction is where excitation-contraction coupling occurs. The T_tubules the
invaginate into the sarcolemma of the muscle cells are the ones that carry the excitation into the muscles. Its depolarization
causes the lateral sacs of the sarcoplasmic reticulum to release ca2+
ions. The ca2+ then bind into their site on troponin and causes the tropomyosin to shift and allow actin to expose
the binding site in which myosin head
will bind and form a cross bridge that is
important in the contraction of the muscle.
Answer:
Peces, excretan amoniaco
aves, acido urico
mamiferos, Urea
Explanation:
Como son especies diferentes, cada una tiene un aparato excretor distinto, su ciclo biológico y su medio ambiente hacen que se presenten estas diferencias.
