(score for question 1: __of [10] points)
1. colorado science standard #7 states: "physical and behavioral characteristics of an organism are
influenced to varying degrees by heritable genes, many of which encode instructions for the production of
proteins." how does the work of gregor mendel - as explained in unit 4--demonstrate this standard? (10 pts)

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? view available hint(s)taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? the enzyme will not work on human dna.nothing should be altered.the ph should be decreased.the temperature should be raised.

Aplant may open end close its stomata to prevent excess water loss and maintain