DNA (Structure only) 7th Grade

Front

What is the structure of DNA?

Back

DNA is structured as a double helix, resembling a twisted ladder.

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 complementary base pairing in DNA?

Back

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

Front

What are the three components of a nucleotide?

Back

A nucleotide consists of a sugar, a phosphate group, and a nitrogen base.

Front

Who discovered the double helix structure of DNA?

Back

James Watson and Francis Crick are credited with discovering the double helix structure of DNA.

Front

What forms the sides of the DNA ladder?

Back

The sides of the DNA ladder are made up of alternating sugar and phosphate groups.

Front

What forms the rungs of the DNA ladder?

Back

The rungs of the DNA ladder are formed by pairs of nitrogen bases.

Front

What is the role of hydrogen bonds in DNA?

Back

Hydrogen bonds hold the complementary nitrogen bases together, stabilizing the DNA structure.

Front

What is a gene?

Back

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

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Front

What is the function of DNA?

Back

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