Indicate true (T) and false (F) statements below regarding cadherins. Your answer would be a four-letter string composed of letters T and F only, e.g. TFTT.
( ) Cadherins are present in all multicellular organisms.
( ) Adhesion by cadherins is dependent on Ca²? ions.
( ) In contrast to nonclassical cadherins, classical cadherins are more closely related in sequence.
( ) E, N, and P cadherins are mainly found in desmosomes.