How many distinct stages must occur between the point when light first encounters chlorophyll and the point at which
can be used as energy by the plant?
two
three
five
eight

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?

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.