1 Lymph nodes, also referred to as lymph glands, are important part of the immune system.  Lymph nodes are located throughout the body, but visible and palpable only when they are enlarged or swollen.
Answer   Chromosomes are located in the nucleus of a cell in eukaryotes. In prokaryotes (which lack a cell nucleus) chromosomes are circular in shape usually found â¦ attached to the plasmid membrane.
Thomas Sutton in 1902 proposed that genes are located on chromosomes. Called the Chromosome Theory of Inheritance. For most of the life of the cell, chromosomes are too elongated to be seen under a microscope & are called chromatin.