DNA structure

Front

What is DNA?

Back

DNA (Deoxyribonucleic Acid) is the molecule that carries the genetic instructions for life.

Front

What is the structure of DNA often described as?

Back

The structure of DNA is often described as a double helix, resembling a twisted ladder.

Front

What are the building blocks of DNA called?

Back

The building blocks of DNA are called nucleotides.

Front

What are the three components of a nucleotide?

Back

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

Front

Name the four nitrogenous bases found in DNA.

Back

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

Front

How do the 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 molecule?

Back

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

Front

Why is DNA replication important?

Back

DNA replication is important because it ensures that each new cell receives an exact copy of the DNA during cell division.

Front

What is the role of DNA in living organisms?

Back

DNA serves as the blueprint for the traits and functions of all living organisms.

Front

What is a gene?

Back

A gene is a segment of DNA that contains the instructions for making a specific protein.