Akaryogram that contains 23 pairs of chromosomes with a different pair for the 23rd pair would describe a(n)

a. autosomal pair
b. male
c. female
d. disorder

In what for do plants utilize nitrogen? why do they need nitrogen?

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative