DNA

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 components of a nucleotide?

Back

A nucleotide is made up of three components: a sugar (deoxyribose), a phosphate group, and a nitrogenous base.

Front

What are the four nitrogenous bases in DNA?

Back

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

Front

How do nitrogenous bases pair in DNA?

Back

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

Front

What forms the backbone of the DNA structure?

Back

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

Front

What is the role of DNA replication?

Back

DNA replication is the process by which a cell makes an exact copy of its DNA, ensuring that each new cell receives a complete set of genetic information.

Front

What is the order of DNA replication?

Back

The order of DNA replication involves unwinding the double helix, separating the strands, and synthesizing new complementary strands.

Front

What is the function of helicase in DNA replication?

Back

Helicase is an enzyme that unwinds and separates the double-stranded DNA during replication.

Front

What is the role of DNA polymerase?

Back

DNA polymerase is the enzyme responsible for adding nucleotides to the growing DNA strand during replication.

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence that can lead to changes in the structure and function of proteins.