Worksheets7.1 - DNA: The Genetic Material
Total questions: 12
Worksheet time: 9mins
T/F: Many people in the early 1900's believed protein was the genetic material instead of DNA.
true
false
Hershey and Chase decided to use radioactive phosphorus and sulfur for their experiments. Why did they use radioactive phosphorus and sulfur?
Proteins contain phosphorus, while DNA does not, and DNA contains sulfur, while proteins do not.
DNA and proteins both contain sulfur and phosphorus
Proteins contain sulfur, while DNA does not, and DNA contains phosphorus, while proteins do not.
Radioactive sulfur and phosphorus killed the bacteriophages upon entry to the bacteria they were infecting.
Which of these is not one of the nitrogenous bases in DNA nucleotides?
cytosine
uracil
thymine
adenine
The orientation of the two DNA strands is _____ to one another.
parallel
anti-parallel
perpendicular
Which of the following are the rails (outside) of DNA composed of in an alternating fashion?
deoxyribose and ribose
deoxyribose and nitrogenous bases
phosphate and deoxyribose
phosphate and nitrogenous bases
If a DNA sample has 20% Thymine, how much would be Cytosine?
20%
30%
40%
80%
Who concluded that when one bacterium strand died, the other bacterium incorporated the dead bacterium's DNA and became that bacterial strand? (key - DNA caused the change)
Hershey and Chase
Oswald Avery
Frederick Griffith
Franklin and Wilkins
Who analyzed the amount of adenine, guanine, thymine, and cytosine of various species to conclude that the amount of A is equal to the amount of T and the amount of C is equal to the amount of G?
Erwin Chargaff
Oswald Avery
Frederick Griffith
Hershey and Chase
What are the basic building blocks of DNA and RNA?
ribose
nucleotides
pyrimidines
purines
Who used X-ray diffraction to determine that the shape of DNA was a double helix?
Wilkins and Franklin
Watson and Crick
Hershey and Chase
Oswald Avery
T/F: A purine base always binds to a pyrimidine base.
true
false
What base pairs with adenine?
thymine
cytosine
guanine
thyroxine
