I need help with anything on here mostly the explanation if anyone could possibly help it would be a lot. :)

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Amines amides and amino acids are categories of

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion