What is the advantage of using str for the identification of bodies from a mass disaster, such as the world trade center?
a) str results are rapidly available.
b) str is an inexpensive test to perform.
c) str can match a victim's dna with that of relatives.
d) dna records of victims are readily available through codis.

When organisms are classified ,they are given a two part name

Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms