DNA Practice Flashcard

Front

What is DNA?

Back

DNA (Deoxyribonucleic Acid) is the molecule that carries the genetic instructions for life. It is composed of two strands that coil around each other to form a double helix.

Front

What are the four bases of DNA?

Back

The four bases of DNA are Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

Front

What is the base pairing rule in DNA?

Back

In DNA, Adenine pairs with Thymine (A-T) and Cytosine pairs with Guanine (C-G).

Front

What is the structure of DNA?

Back

DNA has a double helix structure, consisting of two long strands of nucleotides twisted around each other.

Front

What is a nucleotide?

Back

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

Front

What sugar is found in DNA?

Back

The sugar found in DNA is deoxyribose.

Front

What forms the backbone of the DNA molecule?

Back

The backbone of the DNA molecule is formed by alternating sugar (deoxyribose) and phosphate groups.

Front

What is complementary base pairing?

Back

Complementary base pairing refers to the specific pairing of nitrogenous bases in DNA: Adenine with Thymine and Cytosine with Guanine.

Front

What is the role of hydrogen bonds in DNA?

Back

Hydrogen bonds hold the two strands of DNA together by connecting the complementary bases.

Front

What is the function of DNA?

Back

DNA stores and transmits genetic information, guiding the development, functioning, and reproduction of all living organisms.