Which structure is most necessary for a mitochondrion to produce new molecules?
a. hydrogen
b. nucleus
c. vacuole
d. lysosomes

Providing immunity by injecting the body with a weakened form a pathogen is known 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?

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?