AP BIOLOGY

Detailed explanation-1: -(KROH-muh-some) A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes.

Detailed explanation-2: -In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.

Detailed explanation-3: -DNA (deoxyribonucleic acid) is the cell’s genetic material, contained in chromosomes within the cell nucleus and mitochondria.

Detailed explanation-4: -Chromosomes are thread-like structures located inside the nucleus of animal and plant cells.

Detailed explanation-5: -The nucleus is one of the most obvious parts of the cell when you look at a picture of the cell. It’s in the middle of the cell, and the nucleus contains all of the cell’s chromosomes, which encode the genetic material.