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Genetic Code — Quiz Answers

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Rosalind Franklin is famous for which contribution to the study of DNA?

A
identification of DNA in bandages that contained pus
B
identification of a pattern in ratios of DNA bases
C
creation of an accurate model of DNA structure
D
creation of an X-ray diffraction image of DNA structure
3

In 1953, who developed this model? Expand Image

A
Erwin Chargaff
B
Marshall Nirenberg and Heinrich Matthaei
C
Rosalind Franklin
D
James Watson and Francis Crick
5

Who is credited with creating the first accurate model of DNA?

A
James Watson and Francis Crick
B
Rosalind Franklin
C
Friedrich Miescher
D
Marshall Nirenberg and Heinrich Matthaei
6

Who first identified DNA?

A
Erwin Chargaff
B
James Watson
C
Rosalind Franklin
D
Friedrich Miescher
7

According to Chargaff's rule, base pairing in DNA should resemble which of these?

A
cap A is equal to cap u ; cap c is equal to cap g
B
cap A is equal to cap c ; cap t is equal to cap g
C
cap A is equal to cap g ; cap t is equal to cap u
D
cap A is equal to cap t ; cap c is equal to cap g
9

What was Marshall Nirenberg and Heinrich Matthaei’s contribution to our current understanding of the genetic code?

A
creation of a model of DNA
B
discovery of codons
C
creation of Photo 51
D
discovery and extraction of DNA
10

Which of these incorrectly matches the term with its location?

A
Chromosomes are found in the nucleus of a cell.
B
Nitrogen bases are located in the central rungs of a DNA ladder.
C
Genes are located in a nucleotide.
D
DNA is found in a chromosome.

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Genetic Code — Quiz Answers — Biology