Multiple Choice Items

6. The genes in the chromosomes of most organisms are made of:

A.     ADP

B.     ADP

C.    DNA

D.    RNA

7. DNA molecules contain all of the following nucleotides except:

A.     Cytosine

B.     Uracil

C.    Guanine

D.    Thymine

8. DNA replication is what type of mechanism:

A.     Semi-conservative

B.     Conservative

C.    Independent

D.    Complimentary

9.The action that is not considered a step in the scientific method is:

A.     Observing and stating a problem

B.     Recording and analyzing data

C.    Converting all measurements to metric units

D.    Testing the hypothesis