Which of the following prevent uncontrolled cell growth (cancer)?
a. changes in environmental temperature
b. check-points throughout the cell cycle that determine when the cell should begin the next phase
c. changes in environmental ph
d. declining nutrient levels in the environment

Galaxy whose shape seems different follow no set pattern are classified as

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called