Course

Genetics

Study Pack

Set 8 Dna The Chemical Nature Of The Gene

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Question 1

(Multiple Choice)

Free
Which hypothesis contributed to the idea that protein is the genetic material because, with its 20 different amino acids, protein structure could be highly variable?

A)Tetranucleotide hypothesis
B)Central dogma hypothesis
C)RNA world hypothesis
D)One gene, one enzyme hypothesis
E)Adaptor hypothesis

Answer

Question 2

(Multiple Choice)

Free
Hershey and Chase determined whether DNA or protein was the genetic material in bacteriophages.What isotope did they use to label the viral protein?

A)14C
B)15N
C)18O
D)32P
E)35S

Answer

Question 3

(Multiple Choice)

Free
A molecule that consists of a nitrogenous base bonded to the 1' carbon of a ribose or deoxyribose is a(n):

A)nucleoside.
B)hairpin.
C)isotope.
D)polynucleotide.
E)nucleotide.

Answer