Course

Genetics

Study Pack

Set 2 Dna The Genetic Material

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Question 1

(Multiple Choice)

Free
What did Watson and Crick deduce about the three-dimensional structure of DNA?

A)There is a repeating pattern every 3.4 nm and every 0.34 nm.
B)It is a double-stranded helix.
C)It contains a lot of phosphorus.
D)It is a large molecule.
E)It consists of supercoiled chromatin.

Answer

Question 2

(Multiple Choice)

Free
A Barr body is an example of

A)constitutive euchromatin.
B)facultative euchromatin.
C)facultative heterochromatin.
D)a nucleosome.
E)constitutive heterochromatin.

Answer

Question 3

(Multiple Choice)

Free
Who used radioactively labeled T2 bacteriophage to confirm the identity of the transforming principle?

A)Griffith
B)Hershey and Chase
C)Avery
D)Gierer and Schramm
E)Beadle and Tatum

Answer