The important speech sounds of a language are called ________

In a study that examined gender roles in 12 traditional cultures, same-gender play groups occurred in about 30–40% of 2- to 3-year-olds, but occurred in what percentage in middle childhood?

a. about 10% b. remained the same at 30–40% c. about 70% d. over 90%

________ is the enzyme that accepts an acetate ion from coenzyme A and transfers it to a choline molecule, thereby producing acetylcholine

A) Acetylcholinesterase B) Coenzyme A C) Muscarine transferase D) Choline acetyltransferase E) Nicotine synthase