Glencoe Biology

Section 1: DNA: The Genetic Material

Self-Check Quizzes

1.
The structure of DNA is described as a ___ formed by two strands of nucleotides.
A)double helix
B)single spiral
C)polymerase chain
D)protein molecule
2.
Which of these are not one of the nitrogenous bases in DNA nucleotides?
A)adenine
B)uracil
C)guanine
D)thymine
3.
What did Hershey and Chase discover using radioactive labeling?
A)Enzymes contain genetic material.
B)DNA and proteins contain genetic material.
C)Proteins contain genetic material.
D)DNA contains genetic material.
4.
What technique was used in taking the first images of DNA structure?
A)X-ray diffraction
B)radioactive labeling
C)DNA tracking
D)chromosomal photography
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