AJH DNA Practice 1

Front

What is DNA?

Back

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

Front

What are the four nitrogen bases in DNA?

Back

The four nitrogen bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).

Front

What is a nucleotide?

Back

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

Front

What is a chromosome?

Back

A chromosome is a bundled and organized structure of DNA that contains many genes.

Front

What shape does a DNA molecule have?

Back

A DNA molecule has a double helix shape.

Front

Where is DNA primarily located in a cell?

Back

DNA is primarily located in the nucleus of a cell.

Front

What is the function of DNA?

Back

The function of DNA is to store and transmit genetic information.

Front

What is the difference between DNA and RNA?

Back

DNA contains deoxyribose sugar and thymine, while RNA contains ribose sugar and uracil.

Front

What is a gene?

Back

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

Front

What is the role of the sugar in a nucleotide?

Back

The sugar in a nucleotide helps form the backbone of the DNA structure.