Chapter 23, Problem 79A

Interpretation Introduction

Interpretation:

The location should be determined where DNA found in living cells.

Concept introduction:

Large molecules which are made up of nucleotides chain is known as nucleic acid. Nucleic acid stores the genetic information in the biological systems.

Answer to Problem 79A

DNA found in nucleus of the cell.

Explanation of Solution

DNA stands for deoxyribonucleic acid which contains five carbon sugar, a nitrogen base and a phosphate group. It stores the biological information or gene information in a sequence of four bases of nucleic acid: Adenine, cytosine, thymine and guanine. DNA has a structure of double helix. It also stores the replicate genetic information.

In living cells, DNA is located in the nucleus of cell and also shares the information of cell by copying process. Also, small amount of DNA is also located in the mitochondria found in mtDNA. The living cells nucleus consists of genetic information which allows cells to be unique in nature.