Tyler has a metal pin in his knee. will the pin show up on an x-ray? a. no, because metal will not absorb radio waves. b. no, because x-rays only show tissues and organs. c. yes, because metal is very dense and absorbs a lot of x-rays. d. yes, because metal is less dense than skin and tissue.

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?

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?