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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