Introduction to Molecular Biology

Question 1

What are the four DNA nucleotides?

Answer 1

Adenine, thymine, cytosine, guanine

Question 2

What are the four RNA nucleotides?

Answer 2

Adenine, uracil, cytosine, guanine

Question 3

What makes up a DNA molecule?

Answer 3

Deoxyribose sugar, phospate molecule, nitrogenous base

Question 4

DNA/RNA. Which is single-stranded?

Answer 4

RNA

Question 5

Structure of DNA

Answer 5

2 helical, antiparallel polynucleotide chains

Question 6

What did the Herschey-Chase experiment show?

Answer 6

That DNA, not protein was the genetic material

Question 7

What organism was used in the Herschey-Chase experiment?

Answer 7

Used bacteriophages and saw that DNA was passed on as genetic material

Question 8

Which carbon is the phosphate group attached to?

Answer 8

Carbon 5

Question 9

What is attached to carbon 1 in both DNA and RNA?

Answer 9

Nitrogenous base

Question 10

Which are the purines?

Answer 10

Adenine and guanine

Question 11

Which are the pyrimidines?

Answer 11

Cytosine and Thymine/Uracil

Question 12

What is found on the 5’ end of a polynucleotide chain?

Answer 12

Phosphate sugar on carbon 5

Question 13

What is found on the 3’ end of a polynucleotide chain?

Answer 13

Hydroxyl group on carbon 3