DNA Review

Front

What are the components of the DNA backbone?

Back

The DNA backbone is made up of alternating sugar (deoxyribose) and phosphate groups.

Front

What is the structure of DNA?

Back

DNA has a double helix structure.

Front

What is the largest structure in the hierarchy of DNA organization?

Back

The nucleus is the largest structure, followed by chromosomes and then genes.

Front

What are chromosomes?

Back

Chromosomes are tightly wound strands of DNA.

Front

Which nitrogenous base pairs with adenine in DNA?

Back

Thymine pairs with adenine.

Front

What are the four nitrogenous bases in DNA?

Back

The four nitrogenous bases in DNA are adenine, thymine, cytosine, and guanine.

Front

What is the function of DNA?

Back

DNA stores genetic information and provides instructions for the development and functioning of living organisms.

Front

How do the nitrogenous bases pair in DNA?

Back

Adenine pairs with thymine, and cytosine pairs with guanine.

Front

What is the role of the nucleus in relation to DNA?

Back

The nucleus houses the DNA and is the site of transcription and replication.

Front

What is a gene?

Back

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