DNA Flashcard

Front

What forms the sides (backbone) of the DNA ladder?

Back

Deoxyribose (sugar) and phosphate.

Front

In which organelle is DNA usually found?

Back

Nucleus.

Front

Who used x-ray diffraction to determine the three-dimensional structure of DNA?

Back

Rosalind Franklin.

Front

What are the four nitrogen bases in DNA?

Back

Adenine, thymine, cytosine, and guanine.

Front

Which nitrogen base does adenine bond with?

Back

Thymine.

Front

What is the structure of DNA commonly described as?

Back

A double helix.

Front

What is the function of DNA?

Back

To store and transmit genetic information.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the components of a nucleotide?

Back

A phosphate group, a sugar (deoxyribose), and a nitrogen base.

Front

What is the role of hydrogen bonds in DNA?

Back

They hold the two strands of DNA together between complementary bases.