Which of the following statements is true?
1, Plant and animal cells cannot be replaced.
2, Plant cells do not have cell walls.
3, Animal cells have chloroplasts.
4, Chromosomes are found in the nucleus.
The chromosome is a DNA molecule that is part of the genetic material and includes the packages proteins and are composed of the chromatic fiber which is made of nucleosomes as examples of the red blood cells.
The chromatin allows the long DNA molecules to fit into the cell nucleus. It can visible under a microscope and consists of 46 chromosomes are arranged in 23 pairs in humans.
