DNA flashcard

Front

What is the nature of DNA that describes its two strands running in opposite directions?

Back

Anti-parallel

Front

What was the significance of Rosalind Franklin's 'photo 51' in DNA research?

Back

It helped Watson and Crick discover the double helix structure of DNA.

Front

What type of bond joins the two strands of nitrogenous bases in DNA?

Back

Hydrogen bonds

Front

If there is 29% guanine in a section of DNA, what percentage of thymine is present?

Back

50%

Front

What two molecules form the sides (backbone) of the DNA ladder?

Back

Deoxyribose (sugar) and phosphate.

Front

What are the four nitrogenous bases found in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What is the base pairing rule in DNA?

Back

Adenine pairs with Thymine, and Cytosine pairs with Guanine.

Front

What is the structure of DNA commonly referred to as?

Back

The double helix.

Front

What is the function of DNA in living organisms?

Back

To store and transmit genetic information.

Front

What is the sugar component of DNA?

Back

Deoxyribose.