DNA

Front

What is DNA?

Back

DNA stands for Deoxyribonucleic acid, which is the molecule that carries the genetic instructions for life.

Front

Where are chromosomes found in a cell?

Back

Chromosomes are found in the nucleus of a cell.

Tags

NGSS.MS-LS3-1

Front

What determines the information in a DNA molecule?

Back

The order (sequence) of the nitrogen bases determines the code or information of a DNA molecule.

Front

Who discovered the structure of DNA using models?

Back

James Watson and Francis Crick are the scientists who used models to find the correct structure of DNA.

Front

What are the building blocks of DNA?

Back

The building blocks of DNA are called nucleotides, which consist of a sugar, a phosphate group, and a nitrogen base.

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

How do nitrogen bases pair in DNA?

Back

In DNA, adenine pairs with thymine (A-T) and cytosine pairs with guanine (C-G).

Front

What is the shape of the DNA molecule?

Back

The shape of the DNA molecule is a double helix, resembling a twisted ladder.

Front

What is the function of DNA?

Back

The function of DNA is to store and transmit genetic information that guides the development and functioning of living organisms.

Tags

NGSS.HS-LS1-1

Front

What is a gene?

Back

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

Tags

NGSS.HS-LS1-1