Need help with a review exercise, unsure of the answers/textbook is...

Need help with a review exercise, unsure of the answers/textbook is not very clear  

Queston 1
Depolarizaton of one group of smooTh muscle cells rapidly spreads To oTher smooTh muscle cells,
leading To coordinaTed conTractons. ±his elecTrical coupling is due To
A.auTocrine signaling
B.paracrine signaling
C.endocrine signaling
D.direcT signaling
Queston 2
Chromosome duplicaton occurs for The beginning of which process? SelecT all ThaT apply.
A. miTosis
B. meiosis I
C. meiosis II
D. inTerkinesis
E. cyTokinesis
Queston 3
YeasTs life cycle is caTegorized as
A.AlTernaton of Generatons
B.Haploid-DominanT
C.Diploid-DominanT
D.GameTe-ZygoTe
Queston 4
In verTebraTe immune sysTems, some T-lymphocyTes will make a growTh facTor ThaT drives Their own
division. ±his represenTs
A.paracrine signaling
B.direcT signaling
C.endocrine signaling
D.auTocrine signaling
Queston 5