Front

What enables cells to have so many different forms and functions?

Back

Deoxyribonucleic Acid (DNA)

Front

What are DNA and RNA composed of?

Back

Nucleotides

Front

What are the three parts of a nucleotide?

Back

5 carbon sugar, phosphate group, nitrogen base

Front

What is the 5 carbon sugar molecule in DNA called?

Back

Deoxyribose

Front

How many classes of nitrogen bases are there in DNA?

Back

2

Front

Which class of nitrogenous bases has a double ring structure?

Back

Purines

Front

Which of the following is a Pyrimidine? Options: Adenine, Guanine, Cytosine, Uracil

Back

Cytosine

Front

Who discovered the double helix structure of DNA in 1951?

Back

Rosalind Franklin

Front

In what year did James Watson and Francis Crick create the model of the double helix?

Back

1953

Front

What forms the sides of the DNA structure?

Back

Alternating sugar and phosphate units