DNA and RNA Structure *

Front

What is the structure of DNA?

Back

DNA is a double-stranded helix composed of nucleotides, which include a sugar, a phosphate group, and a nitrogenous base.

Front

What is the structure of RNA?

Back

RNA is typically single-stranded and consists of nucleotides, which include a sugar, a phosphate group, and a nitrogenous base.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

What are the four nitrogenous bases in RNA?

Back

Adenine, Uracil, Cytosine, and Guanine.

Front

What is the base pairing rule in DNA?

Back

Adenine pairs with Thymine, and Cytosine pairs with Guanine.

Front

What is the base pairing rule in RNA?

Back

Adenine pairs with Uracil, and Cytosine pairs with Guanine.

Front

What is the primary function of DNA?

Back

To store and transmit genetic information and to code for proteins.

Front

What is the primary function of RNA?

Back

To act as a messenger carrying instructions from DNA for controlling the synthesis of proteins.

Front

What is a nucleotide?

Back

A nucleotide is the basic building block of DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

Front

What is the difference between DNA and RNA in terms of sugar?

Back

DNA contains deoxyribose sugar, while RNA contains ribose sugar.