Neurotransmitters affect postsynaptic cells by (select all that apply)I. initiating signal transduction pathways in the cells. II. causing molecular changes in the cells. III. affecting ion-channel proteins. IV. altering the permeability of the cells.

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

Mutations associated with albinism affect proteins involved in synthesis

Variety of living organisms; includes genetic, species, and ecological types.