The fontanels of an infant skull are made of

A fontanelle (or fontanel) (colloquially, soft spot because it is made up of cartilage and hard bone has not yet formed) is an anatomical feature of the infant human skull comprising any of the soft membranous gaps (sutures) between the cranial bones that make up the calvaria of a fetus or an infant.

-Medical Student (College Level)

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

the form of energy changes and the total energy increases0l